1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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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 |
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8 | <sect1 id="ojdk-conf" xreflabel="Configuring the JAVA environment">
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9 | <?dbhtml filename="ojdk-conf.html"?>
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10 |
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11 | <sect1info>
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12 | <othername>$LastChangedBy$</othername>
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13 | <date>$Date$</date>
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14 | </sect1info>
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15 |
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16 | <title>Configuring the JAVA environment</title>
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17 |
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18 | <para>
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19 | After the package installation is complete, the next step is to make sure
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20 | that the system can properly find the files. If you set up your login
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21 | scripts as recommended in <xref linkend='postlfs-config-profile'/>, update
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22 | the environment by creating the <filename>openjdk.sh</filename> script,
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23 | as the <systemitem class="username">root</systemitem> user:
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24 | </para>
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25 |
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26 | <screen role="root"><userinput>cat > /etc/profile.d/openjdk.sh << "EOF"
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27 | <literal># Begin /etc/profile.d/openjdk.sh
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28 |
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29 | # Set JAVA_HOME directory
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30 | JAVA_HOME=/opt/jdk
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31 |
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32 | # Adjust PATH
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33 | pathappend $JAVA_HOME/bin
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34 |
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35 | # Add to MANPATH
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36 | pathappend $JAVA_HOME/man MANPATH
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37 |
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38 | # Auto Java CLASSPATH: Copy jar files to, or create symlinks in, the
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39 | # /usr/share/java directory. Note that having gcj jars with OpenJDK 8
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40 | # may lead to errors.
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41 |
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42 | AUTO_CLASSPATH_DIR=/usr/share/java
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43 |
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44 | pathprepend . CLASSPATH
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45 |
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46 | for dir in `find ${AUTO_CLASSPATH_DIR} -type d 2>/dev/null`; do
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47 | pathappend $dir CLASSPATH
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48 | done
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49 |
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50 | for jar in `find ${AUTO_CLASSPATH_DIR} -name "*.jar" 2>/dev/null`; do
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51 | pathappend $jar CLASSPATH
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52 | done
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53 |
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54 | export JAVA_HOME
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55 | unset AUTO_CLASSPATH_DIR dir jar
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56 |
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57 | # End /etc/profile.d/openjdk.sh</literal>
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58 | EOF</userinput></screen>
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59 |
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60 | <para>
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61 | For allowing <command>mandb</command> to include the OpenJDK man pages
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62 | in its database, issue, as the <systemitem class="username">root
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63 | </systemitem> user:
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64 | </para>
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65 |
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66 | <screen role="root"><userinput>cat >> /etc/man_db.conf << "EOF" &&
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67 | <literal># Begin Java addition
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68 | MANDATORY_MANPATH /opt/jdk/man
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69 | MANPATH_MAP /opt/jdk/bin /opt/jdk/man
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70 | MANDB_MAP /opt/jdk/man /var/cache/man/jdk
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71 | # End Java addition</literal>
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72 | EOF
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73 |
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74 | mkdir -p /var/cache/man
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75 | mandb -c /opt/jdk/man</userinput></screen>
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76 |
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77 | <para>
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78 | The installation of the JRE Certificate Authority Certificates (cacerts)
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79 | is described in the <xref linkend="ojdk-certs"/> section.
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80 | If you are using the binary version, those certificates may already be
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81 | installed.
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82 | </para>
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83 |
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84 | </sect1>
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