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prerequisite:
at least one running maven job
1. open Manage Jenkins - Configure System
2. click add maven
3. click delete installer
4. move the (empty) maven to the top of the list of maven installations
5. click save
6. run the maven job
expected: maven job runs as before
result:
ERROR: Processing failed due to a bug in the code. Please report this to [email protected]
java.lang.NullPointerException
at hudson.maven.MavenModuleSet.getMaven(MavenModuleSet.java:982)
at hudson.maven.MavenModuleSetBuild.getEnvironment(MavenModuleSetBuild.java:160)
at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.doRun(MavenModuleSetBuild.java:568)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:499)
at hudson.model.Run.execute(Run.java:1484)
at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:477)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:236)
project=hudson.maven.MavenModuleSet@16c8cb41
[... some list of modules here ... ]
FATAL: null
java.lang.NullPointerException
at hudson.maven.MavenModuleSet.getMaven(MavenModuleSet.java:982)
at hudson.maven.MavenModuleSetBuild.getEnvironment(MavenModuleSetBuild.java:160)
at hudson.maven.MavenModuleSetBuild$MavenModuleSetBuildExecution.doRun(MavenModuleSetBuild.java:568)
at hudson.model.AbstractBuild$AbstractBuildExecution.run(AbstractBuild.java:499)
at hudson.model.Run.execute(Run.java:1484)
at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:477)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:236)
my hudson.tasks.Maven.xml looks like this:
<?xml version='1.0' encoding='UTF-8'?>
<hudson.tasks.Maven_-DescriptorImpl>
<helpRedirect/>
<installations>
<hudson.tasks.Maven_-MavenInstallation>
<properties>
<hudson.tools.InstallSourceProperty>
<installers/>
</hudson.tools.InstallSourceProperty>
</properties>
</hudson.tasks.Maven_-MavenInstallation>
<hudson.tasks.Maven_-MavenInstallation>
<name>/cvsroot/maven/maven-bin/maven-2.0.11 (depreciated - for Java 1.4 only)</name>
<home>/var/hudson/tools/maven-bin/maven-2.0.11</home>
<properties/>
</hudson.tasks.Maven_-MavenInstallation>
<hudson.tasks.Maven_-MavenInstallation>
<name>/cvsroot/maven/maven-bin/maven-2.2.1 (Java 1.5+ required)</name>
<home>/var/hudson/tools/maven-bin/maven-2.2.1</home>
<properties/>
</hudson.tasks.Maven_-MavenInstallation>
<hudson.tasks.Maven_-MavenInstallation>
<name>/cvsroot/maven/maven-bin/maven-3.0.x</name>
<home>/var/hudson/tools/maven-bin/maven-3.0.x</home>
<properties/>
</hudson.tasks.Maven_-MavenInstallation>
</installations>
</hudson.tasks.Maven_-DescriptorImpl>
the fix is simple: just delete the empty maven configuration
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