| 1 | <?xml version="1.0" encoding="UTF-8"?>
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| 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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| 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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| 7 | <!ENTITY ojdk-tarball "jdk-&openjdk-version;-ga.tar.gz">
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| 8 | <!ENTITY ojdk-repo "https://github.com/openjdk/jdk21u">
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| 9 | <!ENTITY ojdk-download "&ojdk-repo;/archive/&ojdk-tarball;">
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| 10 |
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| 11 | <!ENTITY anduin-download "&sources-anduin-http;/OpenJDK/OpenJDK-&openjdk-version;">
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| 12 |
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| 13 | <!ENTITY ojdk-md5sum "6b714196cac31ebf31a0fc1a910ccb87">
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| 14 | <!ENTITY ojdk-size "107 MB">
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| 15 |
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| 16 | <!ENTITY jtreg-version "7.3.1+1">
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| 17 | <!ENTITY jtreg-download "&anduin-download;/jtreg-&jtreg-version;.tar.gz">
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| 18 | <!ENTITY jtreg-md5sum "0038551ecaf37d0cd99832217f79e56d">
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| 19 | <!ENTITY jtreg-size "9.0 MB">
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| 20 |
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| 21 | <!ENTITY ojdk-bdsize "3.7 GB (add 557 MB for tests)">
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| 22 | <!ENTITY ojdk-time "5.2 SBU with 4 jobs (add 32 SBU for tests with 4 jobs)">
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| 23 | ]>
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| 24 |
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| 25 | <sect1 id="openjdk" xreflabel="OpenJDK-&openjdk-version;">
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| 26 | <?dbhtml filename="openjdk.html" ?>
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| 27 |
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| 28 |
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| 29 | <title>OpenJDK-&openjdk-version;</title>
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| 30 |
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| 31 | <indexterm zone="openjdk">
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| 32 | <primary sortas="a-OpenJDK">OpenJDK</primary>
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| 33 | </indexterm>
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| 34 |
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| 35 | <sect2 role="package">
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| 36 | <title>Introduction to OpenJDK</title>
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| 37 |
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| 38 | <para>
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| 39 | <application>OpenJDK</application> is an open-source implementation
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| 40 | of Oracle's Java Standard Edition platform.
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| 41 | <application>OpenJDK</application> is useful for developing
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| 42 | <application>Java</application> programs, and provides a complete
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| 43 | runtime environment to run <application>Java</application> programs.
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| 44 | </para>
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| 45 |
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| 46 | &lfs121_checked;
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| 47 |
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| 48 | <para>
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| 49 | OpenJDK is GPL'd code, with a special exception made for non-free
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| 50 | projects to use these classes in their proprietary products.
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| 51 | In similar fashion to the LGPL, which allows non-free programs to link
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| 52 | to libraries provided by free software, the
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| 53 | <ulink url="https://openjdk.org/legal/gplv2+ce.html">GNU
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| 54 | General Public License, version 2, with the Classpath Exception</ulink>
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| 55 | allows third party programs to use classes provided by free software
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| 56 | without the requirement that the third party software also be free. As
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| 57 | with the LGPL, any modifications made to the free software portions of a
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| 58 | third party application, must also be made freely available.
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| 59 | </para>
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| 60 |
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| 61 | <note>
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| 62 | <para>
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| 63 | The <application>OpenJDK</application> source includes a very
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| 64 | thorough, open source test suite using the
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| 65 | <application>JTreg</application> test harness. The testing instructions
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| 66 | below allow testing the just built JDK for reasonable compatibility
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| 67 | with the proprietary Oracle JDK. However, in order for an independent
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| 68 | implementation to claim compatibility, it must pass a proprietary
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| 69 | <application>JCK/TCK</application> test suite. No claims of
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| 70 | compatibility, or even partial compatibility, may be made without passing
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| 71 | an approved test suite.
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| 72 | </para>
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| 73 |
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| 74 | <para>
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| 75 | Oracle does provide free community access, on a case-by-case basis, to
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| 76 | a closed toolkit to ensure 100% compatibility with its proprietary JDK.
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| 77 | Neither the binary version provided on the <xref linkend="java"/> page
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| 78 | nor the JVM built with the instructions below have been tested against
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| 79 | the <ulink
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| 80 | url="https://openjdk.java.net/groups/conformance/JckAccess/jck-access.html">
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| 81 | TCK</ulink>. Any version that is built using the instructions given,
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| 82 | cannot claim to be compatible with the proprietary JDK, without the
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| 83 | user applying for, and completing the compatibility tests themselves.
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| 84 | </para>
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| 85 |
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| 86 | <para>
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| 87 | With that in mind, the binaries produced using this build method are
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| 88 | regularly tested against the TCK by the members listed on the site
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| 89 | above. In addition to the community license above, an educational,
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| 90 | non-commercial license for the TCK can be obtained <ulink
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| 91 | url="https://www.oracle.com/java/scholarship-program.html">
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| 92 | here</ulink>.
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| 93 | </para>
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| 94 | </note>
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| 95 |
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| 96 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 97 | <itemizedlist spacing="compact">
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| 98 | <listitem>
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| 99 | <para>
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| 100 | Download (HTTP): <ulink url="&ojdk-download;"/>
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| 101 | </para>
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| 102 | </listitem>
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| 103 | <listitem>
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| 104 | <para>
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| 105 | Download (FTP): <ulink url=" "/>
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| 106 | </para>
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| 107 | </listitem>
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| 108 | <listitem>
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| 109 | <para>
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| 110 | Download MD5 sum: &ojdk-md5sum;
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| 111 | </para>
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| 112 | </listitem>
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| 113 | <listitem>
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| 114 | <para>
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| 115 | Download Size: &ojdk-size;
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| 116 | </para>
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| 117 | </listitem>
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| 118 | <listitem>
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| 119 | <para>
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| 120 | Estimated disk space required: &ojdk-bdsize;
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| 121 | </para>
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| 122 | </listitem>
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| 123 | <listitem>
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| 124 | <para>
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| 125 | Estimated build time: &ojdk-time;
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| 126 | </para>
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| 127 | </listitem>
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| 128 | </itemizedlist>
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| 129 |
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| 130 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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| 131 |
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| 132 | <para>
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| 133 | <emphasis role="strong">Optional test harness</emphasis>
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| 134 | </para>
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| 135 |
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| 136 | <itemizedlist spacing='compact'>
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| 137 | <listitem>
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| 138 | <para>
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| 139 | <ulink url="&jtreg-download;"/>
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| 140 | </para>
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| 141 | </listitem>
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| 142 | <listitem>
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| 143 | <para>
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| 144 | Download MD5 sum: &jtreg-md5sum;
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| 145 | </para>
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| 146 | </listitem>
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| 147 | <listitem>
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| 148 | <para>
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| 149 | Download Size: &jtreg-size;
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| 150 | </para>
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| 151 | </listitem>
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| 152 | </itemizedlist>
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| 153 | <!--
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| 154 | <bridgehead renderas="sect4">Required patch</bridgehead>
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| 155 |
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| 156 | <itemizedlist spacing='compact'>
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| 157 | <listitem>
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| 158 | <para>
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| 159 | <ulink url="&patch-root;/openjdk-&openjdk-version;-make_4.3_fix-1.patch"/>
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| 160 | </para>
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| 161 | </listitem>
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| 162 | </itemizedlist>
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| 163 | -->
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| 164 | <bridgehead renderas="sect3">OpenJDK Dependencies</bridgehead>
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| 165 |
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| 166 | <bridgehead renderas="sect4">Required Dependencies</bridgehead>
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| 167 | <para role="required">
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| 168 | An existing binary (<xref linkend="java"/> or an earlier built
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| 169 | version of this package. The instructions below assume that
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| 170 | you are using <xref linkend="ojdk-conf"/>),
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| 171 | <xref linkend="alsa-lib"/>,
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| 172 | <xref linkend="cpio"/>,
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| 173 | <xref linkend="cups"/>,
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| 174 | <xref linkend="unzip"/>,
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| 175 | <xref linkend="which"/>,
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| 176 | <xref linkend="xorg7-lib"/>, and
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| 177 | <xref linkend="zip"/>
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| 178 | </para>
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| 179 |
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| 180 | <bridgehead renderas="sect4">Recommended</bridgehead>
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| 181 | <para role="recommended">
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| 182 | <xref linkend="make-ca"/>,
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| 183 | <xref linkend="giflib"/>,
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| 184 | <xref linkend="harfbuzz"/>,
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| 185 | <xref linkend="lcms2"/>,
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| 186 | <xref linkend="libjpeg"/>,
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| 187 | <xref linkend="libpng"/>, and
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| 188 | <xref linkend="wget"/>
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| 189 | </para>
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| 190 |
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| 191 | <bridgehead renderas="sect4">Optional</bridgehead>
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| 192 | <para role="optional">
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| 193 | <xref linkend="git"/>,
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| 194 | <xref linkend="graphviz"/>,
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| 195 | <xref linkend="mercurial"/>,
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| 196 | <!-- not needed now, it seems
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| 197 | an X Window manager such as <xref linkend="twm"/> (for the tests), and
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| 198 | -->
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| 199 | <ulink url="https://ccache.dev/">ccache</ulink>,
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| 200 | <ulink url="https://pandoc.org/">pandoc</ulink>, and
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| 201 | <ulink url="https://zlib.net/pigz">pigz</ulink>
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| 202 | </para>
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| 203 |
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| 204 |
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| 205 | </sect2>
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| 206 |
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| 207 | <sect2 role="installation">
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| 208 | <title>Installation of OpenJDK</title>
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| 209 |
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| 210 | <para>
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| 211 | If you have downloaded the optional test harness, unpack it now:
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| 212 | </para>
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| 213 |
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| 214 | <screen><userinput>tar -xf ../jtreg-&jtreg-version;.tar.gz</userinput></screen>
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| 215 | <!--
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| 216 | <para>
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| 217 | Apply a patch to allow building with make-4.3:
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| 218 | </para>
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| 219 |
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| 220 | <screen><userinput>patch -p1 -i ../openjdk-&openjdk-version;-make_4.3_fix-1.patch</userinput></screen>
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| 221 |
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| 222 | <para>
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| 223 | Fix an issue coming from a removed header in glibc-2.32:
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| 224 | </para>
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| 225 |
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| 226 | <screen><userinput>sed -i /sysctl/d \
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| 227 | src/jdk.incubator.jpackage/unix/native/libapplauncher/PosixPlatform.cpp</userinput></screen>
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| 228 | -->
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| 229 | <note>
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| 230 | <para>
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| 231 | Before proceeding, you should ensure that your environment
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| 232 | <envar>PATH</envar> variable contains the location of the Java
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| 233 | compiler used for bootstrapping <application>OpenJDK</application>.
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| 234 | This is the only requirement for the environment. Modern Java
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| 235 | installations do not need <envar>JAVA_HOME</envar> and
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| 236 | <envar>CLASSPATH</envar> is not used here. Furthermore, OpenJDK
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| 237 | developers recommend unsetting <envar>JAVA_HOME</envar>.
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| 238 | </para>
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| 239 |
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| 240 | <para>
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| 241 | The build system does not allow the <option>-j</option> switch in
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| 242 | <envar>MAKEFLAGS</envar>. See the command explanation for
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| 243 | <option>--with-jobs=</option>
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| 244 | for more information on customizing parallelization.
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| 245 | </para>
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| 246 | </note>
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| 247 |
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| 248 | <para>
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| 249 | Configure and build the package with the following commands:
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| 250 | </para>
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| 251 |
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| 252 | <screen><userinput>unset JAVA_HOME &&
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| 253 | bash configure --enable-unlimited-crypto \
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| 254 | --disable-warnings-as-errors \
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| 255 | --with-stdc++lib=dynamic \
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| 256 | --with-giflib=system \
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| 257 | --with-harfbuzz=system \
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| 258 | --with-jtreg=$PWD/jtreg \
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| 259 | --with-lcms=system \
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| 260 | --with-libjpeg=system \
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| 261 | --with-libpng=system \
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| 262 | --with-zlib=system \
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| 263 | --with-version-build="&openjdk-build;" \
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| 264 | --with-version-pre="" \
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| 265 | --with-version-opt="" \
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| 266 | --with-cacerts-file=/etc/pki/tls/java/cacerts &&
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| 267 | make images</userinput></screen>
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| 268 |
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| 269 | <para>
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| 270 | To test the results, you will need to execute the jtreg program.
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| 271 | You can set the number of concurrent tests by adding the
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| 272 | <parameter>-conc:<replaceable><X></replaceable></parameter>
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| 273 | value in the below command (tests will run sequentially otherwise):
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| 274 | </para>
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| 275 |
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| 276 | <screen remap="test"><userinput>export JT_JAVA=$(echo $PWD/build/*/jdk) &&
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| 277 | jtreg/bin/jtreg -jdk:$JT_JAVA -automatic -ignore:quiet -v1 \
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| 278 | test/jdk:tier1 test/langtools:tier1 &&
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| 279 | unset JT_JAVA</userinput></screen>
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| 280 |
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| 281 | <para>
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| 282 | For more control over the test suite, review the documentation
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| 283 | available in <filename>jtreg/doc/jtreg/usage.txt</filename>. To review
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| 284 | the results, see the files
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| 285 | <filename>JTreport/test_{jdk,langtools}/text/stats.txt</filename> and
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| 286 | <filename>JTreport/test_{jdk,langtools}/text/summary.txt</filename>.
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| 287 | You should expect to see around 60 failures and 10 errors.
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| 288 | </para>
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| 289 | <!--
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| 290 | 14.0.1+7:
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| 291 | for x86_64: passed: 5,836; failed: 42; error: 50
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| 292 | 17.0.2+8:
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| 293 | for x86_64: passed: 6,238; failed: 48; error: 13
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| 294 | for i686: passed: 6,208; failed: 29; error: 6
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| 295 | 18.0.1+10:
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| 296 | for x86_64: passed: 6,323; failed: 53; error: 14
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| 297 | for i686: passed: 6,290; failed: 29; error: 11
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| 298 | 18.0.1.1+2:
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| 299 | for x86_64: passed: 6,323; failed: 53; error: 14
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| 300 | for i686: passed: 6,290; failed: 29; error: 11
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| 301 | 18.0.2+8:
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| 302 | for x86_64: passed: 6,329; failed: 50; error: 14
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| 303 | for i686: passed: 6,289; failed: 31; error: 13
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| 304 | 19.0.1+10:
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| 305 | for x86_64: passed: 6,423; failed: 58; error: 15
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| 306 | for i686: passed: 6,376; failed: 31; error: 12
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| 307 | 19.0.2+7:
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| 308 | for x86_64: passed: 6,426; failed: 61; error: 14
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| 309 | for i686: passed: 6,377; failed: 34; error: 11
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| 310 | 20.0.1+9:
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| 311 | for x86_64: passed: 6,515; failed: 65; error: 13
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| 312 | for i686: passed: 6,520; failed: 60; error: 13
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| 313 | 20.0.2+9:
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| 314 | for x86_64: passed: 6,515; failed: 65; error: 14
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| 315 | for i686: passed: 6,446; failed: 33; error: 12
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| 316 | 21+35:
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| 317 | for x86_64: passed: 6,699; failed: 72; error: 13
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| 318 | for i686: passed: 6,627; failed: 30; error: 10
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| 319 | 21.0.1+12:
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| 320 | for x86_64: passed: 6,706; failed: 72; error: 14
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| 321 | for i686: passed: 6,636; failed: 29; error: 11
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| 322 | 21.0.2+13:
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| 323 | for x86_64: passed: 6,698; failed: 71; error: 13
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| 324 | for i686: passed: 6,606; failed: 30; error: 34
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| 325 | -->
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| 326 |
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| 327 | <para>
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| 328 | Install the package with the following commands as the
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| 329 | <systemitem class="username">root</systemitem> user:
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| 330 | </para>
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| 331 |
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| 332 | <screen role="root"><userinput>install -vdm755 /opt/jdk-&openjdk-version;+&openjdk-build; &&
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| 333 | cp -Rv build/*/images/jdk/* /opt/jdk-&openjdk-version;+&openjdk-build; &&
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| 334 | chown -R root:root /opt/jdk-&openjdk-version;+&openjdk-build; &&
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| 335 | for s in 16 24 32 48; do
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| 336 | install -vDm644 src/java.desktop/unix/classes/sun/awt/X11/java-icon${s}.png \
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| 337 | /usr/share/icons/hicolor/${s}x${s}/apps/java.png
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| 338 | done</userinput></screen>
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| 339 |
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| 340 | <note>
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| 341 | <para>
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| 342 | If you only wish to install the Java Runtime Environment, you can
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| 343 | substitute <filename>build/*/images/jre</filename> in the above
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| 344 | <command>cp</command> command.
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| 345 | </para>
|
|---|
| 346 | </note>
|
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| 347 |
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| 348 | <para>
|
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| 349 | There are now two <application>OpenJDK</application> SDKs installed
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| 350 | in <filename class="directory">/opt</filename>. You should decide on
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| 351 | which one you would like to use as the default. Normally, you would opt
|
|---|
| 352 | for the just installed <application>OpenJDK</application>. If so, do
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|---|
| 353 | the following as the <systemitem class="username">root</systemitem>
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| 354 | user:
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| 355 | </para>
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| 356 |
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| 357 | <screen role="root"><userinput>ln -v -nsf jdk-&openjdk-version;+&openjdk-build; /opt/jdk</userinput></screen>
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| 358 |
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| 359 | <para>
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|---|
| 360 | If desired, you can create .desktop files to add entries
|
|---|
| 361 | in the menu for <command>java</command>
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|---|
| 362 | and <command>jconsole</command>. The needed icons have already been
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|---|
| 363 | installed. As the <systemitem class="username">root</systemitem> user:
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|---|
| 364 | </para>
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|---|
| 365 |
|
|---|
| 366 | <screen role="root"><userinput>mkdir -pv /usr/share/applications &&
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| 367 |
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|---|
| 368 | cat > /usr/share/applications/openjdk-java.desktop << "EOF" &&
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|---|
| 369 | <literal>[Desktop Entry]
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|---|
| 370 | Name=OpenJDK Java &openjdk-version; Runtime
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|---|
| 371 | Comment=OpenJDK Java &openjdk-version; Runtime
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| 372 | Exec=/opt/jdk/bin/java -jar
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| 373 | Terminal=false
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|---|
| 374 | Type=Application
|
|---|
| 375 | Icon=java
|
|---|
| 376 | MimeType=application/x-java-archive;application/java-archive;application/x-jar;
|
|---|
| 377 | NoDisplay=true</literal>
|
|---|
| 378 | EOF
|
|---|
| 379 | cat > /usr/share/applications/openjdk-jconsole.desktop << "EOF"
|
|---|
| 380 | <literal>[Desktop Entry]
|
|---|
| 381 | Name=OpenJDK Java &openjdk-version; Console
|
|---|
| 382 | Comment=OpenJDK Java &openjdk-version; Console
|
|---|
| 383 | Keywords=java;console;monitoring
|
|---|
| 384 | Exec=/opt/jdk/bin/jconsole
|
|---|
| 385 | Terminal=false
|
|---|
| 386 | Type=Application
|
|---|
| 387 | Icon=java
|
|---|
| 388 | Categories=Application;System;</literal>
|
|---|
| 389 | EOF</userinput></screen>
|
|---|
| 390 |
|
|---|
| 391 | </sect2>
|
|---|
| 392 |
|
|---|
| 393 | <sect2 role="commands">
|
|---|
| 394 | <title>Command Explanations</title>
|
|---|
| 395 |
|
|---|
| 396 | <para>
|
|---|
| 397 | <command>bash configure...</command>: the top level
|
|---|
| 398 | <filename>configure</filename> is a wrapper around the autotools one.
|
|---|
| 399 | It is not executable and must be run through <command>bash</command>.
|
|---|
| 400 | </para>
|
|---|
| 401 | <!-- Not needed in openjdk-15
|
|---|
| 402 | <para>
|
|---|
| 403 | <parameter>- -with-extra-cflags=-fcommon</parameter>: Allows building
|
|---|
| 404 | with GCC 10.
|
|---|
| 405 | </para>
|
|---|
| 406 | -->
|
|---|
| 407 | <para>
|
|---|
| 408 | <parameter>--enable-unlimited-crypto</parameter>: Because of limitations
|
|---|
| 409 | on the usage of cryptography in some countries, there is the possibility
|
|---|
| 410 | to limit the size of encryption keys and the use of some algorithms in a
|
|---|
| 411 | policy file. This switch allows to ship a policy file with no
|
|---|
| 412 | restriction. It is the responsibility of the user to ensure proper
|
|---|
| 413 | adherence to the law.
|
|---|
| 414 | </para>
|
|---|
| 415 |
|
|---|
| 416 | <para>
|
|---|
| 417 | <parameter>--disable-warnings-as-errors</parameter>: This switch disables
|
|---|
| 418 | use of <envar>-Werror</envar> in the build.
|
|---|
| 419 | </para>
|
|---|
| 420 |
|
|---|
| 421 | <para>
|
|---|
| 422 | <parameter>--with-stdc++lib=dynamic</parameter>: This switch forces the
|
|---|
| 423 | build system to link to <filename>libstdc++.so</filename> (dynamic)
|
|---|
| 424 | instead of <filename>libstdc++.a</filename> (static).
|
|---|
| 425 | </para>
|
|---|
| 426 |
|
|---|
| 427 | <para>
|
|---|
| 428 | <option>--with-jobs=<replaceable><X></replaceable></option>:
|
|---|
| 429 | The <parameter>-j</parameter> passed to make does not work with make as
|
|---|
| 430 | invoked here. By default, the build system will use the number of
|
|---|
| 431 | CPUs - 1.
|
|---|
| 432 | </para>
|
|---|
| 433 |
|
|---|
| 434 | <para>
|
|---|
| 435 | <parameter>--with-jtreg=$PWD/jtreg</parameter>: This switch tells
|
|---|
| 436 | configure where to find jtreg. Omit if you have not downloaded the
|
|---|
| 437 | optional test suite.
|
|---|
| 438 | </para>
|
|---|
| 439 |
|
|---|
| 440 | <para>
|
|---|
| 441 | <parameter>--with-{giflib,harfbuzz,lcms,libjpeg,libpng,zlib}=system</parameter>:
|
|---|
| 442 | These switches force the build system to use the system libraries instead
|
|---|
| 443 | of the bundled versions.
|
|---|
| 444 | </para>
|
|---|
| 445 |
|
|---|
| 446 | <para>
|
|---|
| 447 | <parameter>--with-version-build</parameter>: Currently, the build
|
|---|
| 448 | system does not include the build number in the version string. It has
|
|---|
| 449 | to be specified here.
|
|---|
| 450 | </para>
|
|---|
| 451 |
|
|---|
| 452 | <para>
|
|---|
| 453 | <parameter>--with-version-pre</parameter>: This switch allows you to
|
|---|
| 454 | prefix the version string with a custom string.
|
|---|
| 455 | </para>
|
|---|
| 456 |
|
|---|
| 457 | <para>
|
|---|
| 458 | <parameter>--with-version-opt</parameter>: This switch allows you to add
|
|---|
| 459 | an optional build description to the version string.
|
|---|
| 460 | </para>
|
|---|
| 461 |
|
|---|
| 462 | <para>
|
|---|
| 463 | <parameter>--with-cacerts-file=/etc/pki/tls/java/cacerts</parameter>:
|
|---|
| 464 | Specifies where to find a <filename>cacerts</filename> file,
|
|---|
| 465 | <filename>/etc/pki/tls/java/</filename> on a BLFS system. Otherwise, an
|
|---|
| 466 | empty one is created. You can use the
|
|---|
| 467 | <command>/usr/sbin/make-ca --force</command> command to generate it, once
|
|---|
| 468 | you have installed the Java binaries.
|
|---|
| 469 | </para>
|
|---|
| 470 |
|
|---|
| 471 | <para>
|
|---|
| 472 | <option>--with-boot-jdk</option>: This switch provides the
|
|---|
| 473 | location of the temporary <application>JDK</application>. It is normally
|
|---|
| 474 | not needed if <command>java</command> is found in the <envar>PATH</envar>.
|
|---|
| 475 | </para>
|
|---|
| 476 | <!-- Seems to have disappeared
|
|---|
| 477 | <para>
|
|---|
| 478 | <command>find ... -iname '*.diz' -delete</command>: This command
|
|---|
| 479 | removes redundant files.
|
|---|
| 480 | </para>
|
|---|
| 481 | -->
|
|---|
| 482 | </sect2>
|
|---|
| 483 |
|
|---|
| 484 | <sect2 role="configuration"
|
|---|
| 485 | id="openjdk-config"
|
|---|
| 486 | xreflabel="Configuring OpenJDK">
|
|---|
| 487 | <title>Configuring OpenJDK</title>
|
|---|
| 488 |
|
|---|
| 489 | <sect3>
|
|---|
| 490 | <title>Configuration Information</title>
|
|---|
| 491 |
|
|---|
| 492 | <para>
|
|---|
| 493 | Normally, the Java environment has been configured after installing
|
|---|
| 494 | the binary version, and can be used with the just built package as well.
|
|---|
| 495 | Review <xref linkend="ojdk-conf"/> in case you want to modify
|
|---|
| 496 | something.
|
|---|
| 497 | </para>
|
|---|
| 498 |
|
|---|
| 499 | <para>
|
|---|
| 500 | To test if the man pages are correctly installed, issue
|
|---|
| 501 | <command>source /etc/profile</command> and <command>man java</command>
|
|---|
| 502 | to display the respective man page.
|
|---|
| 503 | </para>
|
|---|
| 504 |
|
|---|
| 505 | </sect3>
|
|---|
| 506 |
|
|---|
| 507 | <sect3>
|
|---|
| 508 | <title>
|
|---|
| 509 | Setting up the JRE Certificate Authority Certificates (cacerts) file
|
|---|
| 510 | </title>
|
|---|
| 511 |
|
|---|
| 512 | <para>
|
|---|
| 513 | If you have run the instructions on the <xref linkend="make-ca"/> page,
|
|---|
| 514 | you only need to create a symlink in the default location for the
|
|---|
| 515 | <filename>cacerts</filename> file. As user <systemitem
|
|---|
| 516 | class="username">root</systemitem>:
|
|---|
| 517 | </para>
|
|---|
| 518 |
|
|---|
| 519 | <screen role="root"><userinput>ln -sfv /etc/pki/tls/java/cacerts /opt/jdk/lib/security/cacerts</userinput></screen>
|
|---|
| 520 |
|
|---|
| 521 | <para>
|
|---|
| 522 | To check the installation, issue:
|
|---|
| 523 | </para>
|
|---|
| 524 |
|
|---|
| 525 | <screen role="root"><userinput>cd /opt/jdk
|
|---|
| 526 | bin/keytool -list -cacerts</userinput></screen>
|
|---|
| 527 |
|
|---|
| 528 | <para>
|
|---|
| 529 | At the prompt <computeroutput>Enter keystore password:</computeroutput>,
|
|---|
| 530 | enter <userinput>changeit</userinput> (the default) or just press the
|
|---|
| 531 | <quote>Enter</quote> key. If the <filename>cacerts</filename> file was
|
|---|
| 532 | installed correctly, you will see a list of the certificates with
|
|---|
| 533 | related information for each one. If not, you need to reinstall them.
|
|---|
| 534 | </para>
|
|---|
| 535 |
|
|---|
| 536 | </sect3>
|
|---|
| 537 |
|
|---|
| 538 | </sect2>
|
|---|
| 539 |
|
|---|
| 540 | <sect2 role="content">
|
|---|
| 541 | <title>Contents</title>
|
|---|
| 542 |
|
|---|
| 543 | <segmentedlist>
|
|---|
| 544 | <segtitle>Installed Programs</segtitle>
|
|---|
| 545 | <segtitle>Installed Libraries</segtitle>
|
|---|
| 546 | <segtitle>Installed Directory</segtitle>
|
|---|
| 547 |
|
|---|
| 548 | <seglistitem>
|
|---|
| 549 | <seg>jar, jarsigner, java, javac, javadoc, javap, jcmd,
|
|---|
| 550 | jconsole, jdb, jdeprscan, jdeps, jfr, jhsdb, jimage, jinfo,
|
|---|
| 551 | jlink, jmap, jmod, jpackage, jps, jrunscript, jshell, jstack,
|
|---|
| 552 | jstat, jstatd, jwebserver, keytool, rmiregistry, and serialver</seg>
|
|---|
| 553 | <seg>37 libraries in /opt/jdk-&openjdk-version;+&openjdk-build;/lib/</seg>
|
|---|
| 554 | <seg>/opt/jdk-&openjdk-version;+&openjdk-build;</seg>
|
|---|
| 555 | </seglistitem>
|
|---|
| 556 | </segmentedlist>
|
|---|
| 557 |
|
|---|
| 558 | <variablelist>
|
|---|
| 559 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
|
|---|
| 560 | <?dbfo list-presentation="list"?>
|
|---|
| 561 | <?dbhtml list-presentation="table"?>
|
|---|
| 562 |
|
|---|
| 563 | <varlistentry id="jar">
|
|---|
| 564 | <term><command>jar</command></term>
|
|---|
| 565 | <listitem>
|
|---|
| 566 | <para>
|
|---|
| 567 | combines multiple files into a single jar archive
|
|---|
| 568 | </para>
|
|---|
| 569 | <indexterm zone="openjdk jar">
|
|---|
| 570 | <primary sortas="b-jar">jar</primary>
|
|---|
| 571 | </indexterm>
|
|---|
| 572 | </listitem>
|
|---|
| 573 | </varlistentry>
|
|---|
| 574 |
|
|---|
| 575 | <varlistentry id="jarsigner">
|
|---|
| 576 | <term><command>jarsigner</command></term>
|
|---|
| 577 | <listitem>
|
|---|
| 578 | <para>
|
|---|
| 579 | signs jar files and verifies the signatures and integrity
|
|---|
| 580 | of a signed jar file
|
|---|
| 581 | </para>
|
|---|
| 582 | <indexterm zone="openjdk jarsigner">
|
|---|
| 583 | <primary sortas="b-jarsigner">jarsigner</primary>
|
|---|
| 584 | </indexterm>
|
|---|
| 585 | </listitem>
|
|---|
| 586 | </varlistentry>
|
|---|
| 587 |
|
|---|
| 588 | <varlistentry id="java-prog">
|
|---|
| 589 | <term><command>java</command></term>
|
|---|
| 590 | <listitem>
|
|---|
| 591 | <para>
|
|---|
| 592 | launches a Java application by starting a Java runtime
|
|---|
| 593 | environment, loading a specified class and invoking its main
|
|---|
| 594 | method
|
|---|
| 595 | </para>
|
|---|
| 596 | <indexterm zone="openjdk java-prog">
|
|---|
| 597 | <primary sortas="b-java-prog">java</primary>
|
|---|
| 598 | </indexterm>
|
|---|
| 599 | </listitem>
|
|---|
| 600 | </varlistentry>
|
|---|
| 601 |
|
|---|
| 602 | <varlistentry id="javac">
|
|---|
| 603 | <term><command>javac</command></term>
|
|---|
| 604 | <listitem>
|
|---|
| 605 | <para>
|
|---|
| 606 | reads class and interface definitions, written in the
|
|---|
| 607 | Java programming language, and compiles them into bytecode
|
|---|
| 608 | class files
|
|---|
| 609 | </para>
|
|---|
| 610 | <indexterm zone="openjdk javac">
|
|---|
| 611 | <primary sortas="b-javac">javac</primary>
|
|---|
| 612 | </indexterm>
|
|---|
| 613 | </listitem>
|
|---|
| 614 | </varlistentry>
|
|---|
| 615 |
|
|---|
| 616 | <varlistentry id="javadoc">
|
|---|
| 617 | <term><command>javadoc</command></term>
|
|---|
| 618 | <listitem>
|
|---|
| 619 | <para>
|
|---|
| 620 | parses the declarations and documentation comments in a
|
|---|
| 621 | set of Java source files and produces a corresponding set of
|
|---|
| 622 | HTML pages describing the classes, interfaces, constructors,
|
|---|
| 623 | methods, and fields
|
|---|
| 624 | </para>
|
|---|
| 625 | <indexterm zone="openjdk javadoc">
|
|---|
| 626 | <primary sortas="b-javadoc">javadoc</primary>
|
|---|
| 627 | </indexterm>
|
|---|
| 628 | </listitem>
|
|---|
| 629 | </varlistentry>
|
|---|
| 630 |
|
|---|
| 631 | <varlistentry id="javap">
|
|---|
| 632 | <term><command>javap</command></term>
|
|---|
| 633 | <listitem>
|
|---|
| 634 | <para>
|
|---|
| 635 | disassembles a Java class file
|
|---|
| 636 | </para>
|
|---|
| 637 | <indexterm zone="openjdk javap">
|
|---|
| 638 | <primary sortas="b-javap">javap</primary>
|
|---|
| 639 | </indexterm>
|
|---|
| 640 | </listitem>
|
|---|
| 641 | </varlistentry>
|
|---|
| 642 |
|
|---|
| 643 | <varlistentry id="jcmd">
|
|---|
| 644 | <term><command>jcmd</command></term>
|
|---|
| 645 | <listitem>
|
|---|
| 646 | <para>
|
|---|
| 647 | is a utility to send diagnostic command requests to a running
|
|---|
| 648 | Java Virtual Machine
|
|---|
| 649 | </para>
|
|---|
| 650 | <indexterm zone="openjdk jcmd">
|
|---|
| 651 | <primary sortas="b-jcmd">jcmd</primary>
|
|---|
| 652 | </indexterm>
|
|---|
| 653 | </listitem>
|
|---|
| 654 | </varlistentry>
|
|---|
| 655 |
|
|---|
| 656 | <varlistentry id="jconsole">
|
|---|
| 657 | <term><command>jconsole</command></term>
|
|---|
| 658 | <listitem>
|
|---|
| 659 | <para>
|
|---|
| 660 | is a graphical console tool to monitor and manage both
|
|---|
| 661 | local and remote Java applications and virtual machines
|
|---|
| 662 | </para>
|
|---|
| 663 | <indexterm zone="openjdk jconsole">
|
|---|
| 664 | <primary sortas="b-jconsole">jconsole</primary>
|
|---|
| 665 | </indexterm>
|
|---|
| 666 | </listitem>
|
|---|
| 667 | </varlistentry>
|
|---|
| 668 |
|
|---|
| 669 | <varlistentry id="jdb">
|
|---|
| 670 | <term><command>jdb</command></term>
|
|---|
| 671 | <listitem>
|
|---|
| 672 | <para>
|
|---|
| 673 | is a simple command-line debugger for Java classes
|
|---|
| 674 | </para>
|
|---|
| 675 | <indexterm zone="openjdk jdb">
|
|---|
| 676 | <primary sortas="b-jdb">jdb</primary>
|
|---|
| 677 | </indexterm>
|
|---|
| 678 | </listitem>
|
|---|
| 679 | </varlistentry>
|
|---|
| 680 |
|
|---|
| 681 | <varlistentry id="jdeprscan">
|
|---|
| 682 | <term><command>jdeprscan</command></term>
|
|---|
| 683 | <listitem>
|
|---|
| 684 | <para>
|
|---|
| 685 | scans class or jar files for uses of deprecated API elements
|
|---|
| 686 | </para>
|
|---|
| 687 | <indexterm zone="openjdk jdeprscan">
|
|---|
| 688 | <primary sortas="b-jdeprscan">jdeprscan</primary>
|
|---|
| 689 | </indexterm>
|
|---|
| 690 | </listitem>
|
|---|
| 691 | </varlistentry>
|
|---|
| 692 |
|
|---|
| 693 | <varlistentry id="jdeps">
|
|---|
| 694 | <term><command>jdeps</command></term>
|
|---|
| 695 | <listitem>
|
|---|
| 696 | <para>
|
|---|
| 697 | shows the package-level or class-level dependencies of
|
|---|
| 698 | Java class files
|
|---|
| 699 | </para>
|
|---|
| 700 | <indexterm zone="openjdk jdeps">
|
|---|
| 701 | <primary sortas="b-jdeps">jdeps</primary>
|
|---|
| 702 | </indexterm>
|
|---|
| 703 | </listitem>
|
|---|
| 704 | </varlistentry>
|
|---|
| 705 |
|
|---|
| 706 | <varlistentry id="jfr">
|
|---|
| 707 | <term><command>jfr</command></term>
|
|---|
| 708 | <listitem>
|
|---|
| 709 | <para>
|
|---|
| 710 | is a tool for working with <quote>Flight Recorder</quote> files
|
|---|
| 711 | </para>
|
|---|
| 712 | <indexterm zone="openjdk jfr">
|
|---|
| 713 | <primary sortas="b-jfr">jfr</primary>
|
|---|
| 714 | </indexterm>
|
|---|
| 715 | </listitem>
|
|---|
| 716 | </varlistentry>
|
|---|
| 717 |
|
|---|
| 718 | <varlistentry id="jhsdb">
|
|---|
| 719 | <term><command>jhsdb</command></term>
|
|---|
| 720 | <listitem>
|
|---|
| 721 | <para>
|
|---|
| 722 | is a tool to analyze the content of a core dump from a
|
|---|
| 723 | crashed Java Virtual Machine (JVM)
|
|---|
| 724 | </para>
|
|---|
| 725 | <indexterm zone="openjdk jhsdb">
|
|---|
| 726 | <primary sortas="b-jhsdb">jhsdb</primary>
|
|---|
| 727 | </indexterm>
|
|---|
| 728 | </listitem>
|
|---|
| 729 | </varlistentry>
|
|---|
| 730 |
|
|---|
| 731 | <varlistentry id="jimage">
|
|---|
| 732 | <term><command>jimage</command></term>
|
|---|
| 733 | <listitem>
|
|---|
| 734 | <para>
|
|---|
| 735 | is used to list, extract, verify, or get information about
|
|---|
| 736 | modules in <emphasis>jimage</emphasis> format
|
|---|
| 737 | </para>
|
|---|
| 738 | <indexterm zone="openjdk jimage">
|
|---|
| 739 | <primary sortas="b-jimage">jimage</primary>
|
|---|
| 740 | </indexterm>
|
|---|
| 741 | </listitem>
|
|---|
| 742 | </varlistentry>
|
|---|
| 743 |
|
|---|
| 744 | <varlistentry id="jinfo">
|
|---|
| 745 | <term><command>jinfo</command></term>
|
|---|
| 746 | <listitem>
|
|---|
| 747 | <para>
|
|---|
| 748 | prints Java configuration information for a given Java
|
|---|
| 749 | process, core file, or a remote debug server
|
|---|
| 750 | </para>
|
|---|
| 751 | <indexterm zone="openjdk jinfo">
|
|---|
| 752 | <primary sortas="b-jinfo">jinfo</primary>
|
|---|
| 753 | </indexterm>
|
|---|
| 754 | </listitem>
|
|---|
| 755 | </varlistentry>
|
|---|
| 756 |
|
|---|
| 757 | <varlistentry id="jlink">
|
|---|
| 758 | <term><command>jlink</command></term>
|
|---|
| 759 | <listitem>
|
|---|
| 760 | <para>
|
|---|
| 761 | is used to assemble and optimize a set of modules and their
|
|---|
| 762 | dependencies into a custom runtime image
|
|---|
| 763 | </para>
|
|---|
| 764 | <indexterm zone="openjdk jlink">
|
|---|
| 765 | <primary sortas="b-jlink">jlink</primary>
|
|---|
| 766 | </indexterm>
|
|---|
| 767 | </listitem>
|
|---|
| 768 | </varlistentry>
|
|---|
| 769 |
|
|---|
| 770 | <varlistentry id="jmap">
|
|---|
| 771 | <term><command>jmap</command></term>
|
|---|
| 772 | <listitem>
|
|---|
| 773 | <para>
|
|---|
| 774 | prints shared object memory maps or heap memory details
|
|---|
| 775 | of a given process, core file, or a remote debug server
|
|---|
| 776 | </para>
|
|---|
| 777 | <indexterm zone="openjdk jmap">
|
|---|
| 778 | <primary sortas="b-jmap">jmap</primary>
|
|---|
| 779 | </indexterm>
|
|---|
| 780 | </listitem>
|
|---|
| 781 | </varlistentry>
|
|---|
| 782 |
|
|---|
| 783 | <varlistentry id="jmod">
|
|---|
| 784 | <term><command>jmod</command></term>
|
|---|
| 785 | <listitem>
|
|---|
| 786 | <para>
|
|---|
| 787 | creates JMOD files and lists the content of existing JMOD files
|
|---|
| 788 | </para>
|
|---|
| 789 | <indexterm zone="openjdk jmod">
|
|---|
| 790 | <primary sortas="b-jmod">jmod</primary>
|
|---|
| 791 | </indexterm>
|
|---|
| 792 | </listitem>
|
|---|
| 793 | </varlistentry>
|
|---|
| 794 |
|
|---|
| 795 | <varlistentry id="jpackage">
|
|---|
| 796 | <term><command>jpackage</command></term>
|
|---|
| 797 | <listitem>
|
|---|
| 798 | <para>
|
|---|
| 799 | generates java application packages and images
|
|---|
| 800 | </para>
|
|---|
| 801 | <indexterm zone="openjdk jpackage">
|
|---|
| 802 | <primary sortas="b-jpackage">jpackage</primary>
|
|---|
| 803 | </indexterm>
|
|---|
| 804 | </listitem>
|
|---|
| 805 | </varlistentry>
|
|---|
| 806 |
|
|---|
| 807 | <varlistentry id="jps">
|
|---|
| 808 | <term><command>jps</command></term>
|
|---|
| 809 | <listitem>
|
|---|
| 810 | <para>
|
|---|
| 811 | lists the instrumented JVMs on the target system
|
|---|
| 812 | </para>
|
|---|
| 813 | <indexterm zone="openjdk jps">
|
|---|
| 814 | <primary sortas="b-jps">jps</primary>
|
|---|
| 815 | </indexterm>
|
|---|
| 816 | </listitem>
|
|---|
| 817 | </varlistentry>
|
|---|
| 818 |
|
|---|
| 819 | <varlistentry id="jrunscript">
|
|---|
| 820 | <term><command>jrunscript</command></term>
|
|---|
| 821 | <listitem>
|
|---|
| 822 | <para>
|
|---|
| 823 | is a command line script shell
|
|---|
| 824 | </para>
|
|---|
| 825 | <indexterm zone="openjdk jrunscript">
|
|---|
| 826 | <primary sortas="b-jrunscript">jrunscript</primary>
|
|---|
| 827 | </indexterm>
|
|---|
| 828 | </listitem>
|
|---|
| 829 | </varlistentry>
|
|---|
| 830 |
|
|---|
| 831 | <varlistentry id="jshell">
|
|---|
| 832 | <term><command>jshell</command></term>
|
|---|
| 833 | <listitem>
|
|---|
| 834 | <para>
|
|---|
| 835 | is an interactive tool for learning the Java programming
|
|---|
| 836 | language and prototyping Java code
|
|---|
| 837 | </para>
|
|---|
| 838 | <indexterm zone="openjdk jshell">
|
|---|
| 839 | <primary sortas="b-jshell">jshell</primary>
|
|---|
| 840 | </indexterm>
|
|---|
| 841 | </listitem>
|
|---|
| 842 | </varlistentry>
|
|---|
| 843 |
|
|---|
| 844 | <varlistentry id="jstack">
|
|---|
| 845 | <term><command>jstack</command></term>
|
|---|
| 846 | <listitem>
|
|---|
| 847 | <para>
|
|---|
| 848 | prints Java stack traces of Java threads for a given
|
|---|
| 849 | Java process, core file, or a remote debug server
|
|---|
| 850 | </para>
|
|---|
| 851 | <indexterm zone="openjdk jstack">
|
|---|
| 852 | <primary sortas="b-jstack">jstack</primary>
|
|---|
| 853 | </indexterm>
|
|---|
| 854 | </listitem>
|
|---|
| 855 | </varlistentry>
|
|---|
| 856 |
|
|---|
| 857 | <varlistentry id="jstat">
|
|---|
| 858 | <term><command>jstat</command></term>
|
|---|
| 859 | <listitem>
|
|---|
| 860 | <para>
|
|---|
| 861 | displays performance statistics for an instrumented JVM
|
|---|
| 862 | </para>
|
|---|
| 863 | <indexterm zone="openjdk jstat">
|
|---|
| 864 | <primary sortas="b-jstat">jstat</primary>
|
|---|
| 865 | </indexterm>
|
|---|
| 866 | </listitem>
|
|---|
| 867 | </varlistentry>
|
|---|
| 868 |
|
|---|
| 869 | <varlistentry id="jstatd">
|
|---|
| 870 | <term><command>jstatd</command></term>
|
|---|
| 871 | <listitem>
|
|---|
| 872 | <para>
|
|---|
| 873 | is an RMI server application that monitors for the creation
|
|---|
| 874 | and termination of instrumented JVMs
|
|---|
| 875 | </para>
|
|---|
| 876 | <indexterm zone="openjdk jstatd">
|
|---|
| 877 | <primary sortas="b-jstatd">jstatd</primary>
|
|---|
| 878 | </indexterm>
|
|---|
| 879 | </listitem>
|
|---|
| 880 | </varlistentry>
|
|---|
| 881 |
|
|---|
| 882 | <varlistentry id="jwebserver">
|
|---|
| 883 | <term><command>jwebserver</command></term>
|
|---|
| 884 | <listitem>
|
|---|
| 885 | <para>
|
|---|
| 886 | provides a minimal HTTP server, designed to be used for
|
|---|
| 887 | prototyping, testing, and debugging
|
|---|
| 888 | </para>
|
|---|
| 889 | <indexterm zone="openjdk jwebserver">
|
|---|
| 890 | <primary sortas="b-jwebserver">jwebserver</primary>
|
|---|
| 891 | </indexterm>
|
|---|
| 892 | </listitem>
|
|---|
| 893 | </varlistentry>
|
|---|
| 894 |
|
|---|
| 895 | <varlistentry id="keytool">
|
|---|
| 896 | <term><command>keytool</command></term>
|
|---|
| 897 | <listitem>
|
|---|
| 898 | <para>
|
|---|
| 899 | is a key and certificate management utility
|
|---|
| 900 | </para>
|
|---|
| 901 | <indexterm zone="openjdk keytool">
|
|---|
| 902 | <primary sortas="b-keytool">keytool</primary>
|
|---|
| 903 | </indexterm>
|
|---|
| 904 | </listitem>
|
|---|
| 905 | </varlistentry>
|
|---|
| 906 |
|
|---|
| 907 | <varlistentry id="rmiregistry">
|
|---|
| 908 | <term><command>rmiregistry</command></term>
|
|---|
| 909 | <listitem>
|
|---|
| 910 | <para>
|
|---|
| 911 | creates and starts a remote object registry on the specified
|
|---|
| 912 | port on the current host
|
|---|
| 913 | </para>
|
|---|
| 914 | <indexterm zone="openjdk rmiregistry">
|
|---|
| 915 | <primary sortas="b-rmiregistry">rmiregistry</primary>
|
|---|
| 916 | </indexterm>
|
|---|
| 917 | </listitem>
|
|---|
| 918 | </varlistentry>
|
|---|
| 919 |
|
|---|
| 920 | <varlistentry id="serialver">
|
|---|
| 921 | <term><command>serialver</command></term>
|
|---|
| 922 | <listitem>
|
|---|
| 923 | <para>
|
|---|
| 924 | returns the serialVersionUID for one or more classes in a
|
|---|
| 925 | form suitable for copying into an evolving class
|
|---|
| 926 | </para>
|
|---|
| 927 | <indexterm zone="openjdk serialver">
|
|---|
| 928 | <primary sortas="b-serialver">serialver</primary>
|
|---|
| 929 | </indexterm>
|
|---|
| 930 | </listitem>
|
|---|
| 931 | </varlistentry>
|
|---|
| 932 | </variablelist>
|
|---|
| 933 |
|
|---|
| 934 | </sect2>
|
|---|
| 935 |
|
|---|
| 936 | </sect1>
|
|---|
