Hello Mark,
in the Jenkins System Information page I see the
“java.home” set to
“/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.191.b12-1.el7_6.x86_64/jre”
which is yet another JVM installation.
There is no additional “JAVA_HOME” environment variable.
I am not really sure what you mean by
“If you've defined a JDK tool (or an AdoptOpenJDK tool), is there a JAVA_HOME
defined in the context of that JDK tool?
If you've defined a maven tool, is there a JAVA_HOME defined in the context of
that maven tool?”
I have defined my JDKs in the Configuration of Helpers and specified the
JAVA_HOME for each one:
[cid:image001.jpg@01D59937.721B9940]
There is no such settings for the maven installation and I am not able to
specify one:
[cid:image002.jpg@01D59937.721B9940]
BR
Marco
Von: jenkinsci-users@googlegroups.com <jenkinsci-users@googlegroups.com> Im
Auftrag von Mark Waite
Gesendet: Montag, 11. November 2019 17:15
An: Jenkins Users <jenkinsci-users@googlegroups.com>
Betreff: Re: How to force jenkins to use $JAVA_HOME/ instead of $JAVA_HOME/jre?
Is there a JAVA_HOME environment variable reported in the Jenkins System
Information page ("Jenkins" -> "Manage Jenkins" -> "System Information")?
If you've defined a JDK tool (or an AdoptOpenJDK tool), is there a JAVA_HOME
defined in the context of that JDK tool?
If you've defined a maven tool, is there a JAVA_HOME defined in the context of
that maven tool?
On Mon, Nov 11, 2019 at 8:57 AM Herrn, Marco
<marco.he...@siemens.com<mailto:marco.he...@siemens.com>> wrote:
Hello,
I have a Jenkins 2.190.2 running.
I specified a custom JDK with “JAVA_HOME” set to `/opt/jdk8` which itself is a
symbolic link to `/opt/oracle_jdk1.8.0_191`.
Some of my maven builds are now breaking due to the javadoc executable not
being found:
[ERROR] Failed to execute goal
org.apache.maven.plugins:maven-javadoc-plugin:3.1.1:jar (default-cli) on
project XXX: MavenReportException: Error while generating Javadoc: Unable to
find Javadoc command: The Javadoc executable
‘/opt/oracle_jdk1.8.0_191/jre/bin/javadoc’ doesn’t exist or is not a file.
Verify the <javadocExecutable/> parameter.
Of course `Javadoc` cannot be found when searching in $JAVA_HOME/jre.
Why is Jenkins referring to the jre subdirectory? When calling maven with the
-X parameter I see that jenkins actually calls maven with `/opt/jdk8/bin/java`,
but then sets the Java home to `/opt/oracle_jdk1.8.0_191/jre`:
[XXX] $ /opt/jdk8/bin/java -cp
/home/Jenkins/plugins/maven-plugin/WEB-INF/lib/maven35-agent-1.13.jar:….
…
Java version: 1.8.0_191, vendor: Oracle Corporation, runtime:
/opt/oracle_jdk1.8.0_191/jre
I know that I could forcibly set the `<javadocExecutable/>` parameter to
`${java.home}../bin/javadoc`, but that would be wrong, since $JAVA_HOME is
/opt/jdk8, not /opt/jdk8/jre and it would break the build for all other cases
than Jenkins.
So how can I force Jenkins to use the correct $JAVA_HOME for building?
BR
Marco
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Thanks!
Mark Waite
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