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Bug
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Resolution: Duplicate
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Blocker
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None
Marked all plugins for download and install after restart, then upgraded Jenkins to the latest version.
All pages now show this exception. The Maven plugin wasn't even enabled beforehand.
org.jvnet.hudson.reactor.ReactorException: java.lang.NoClassDefFoundError: hudson/maven/MavenBuild
at org.jvnet.hudson.reactor.Reactor.execute(Reactor.java:246)
at jenkins.InitReactorRunner.run(InitReactorRunner.java:43)
at jenkins.model.Jenkins.executeReactor(Jenkins.java:915)
at jenkins.model.Jenkins.<init>(Jenkins.java:811)
at hudson.model.Hudson.<init>(Hudson.java:81)
at hudson.model.Hudson.<init>(Hudson.java:77)
at hudson.WebAppMain$3.run(WebAppMain.java:221)
Caused by: java.lang.NoClassDefFoundError: hudson/maven/MavenBuild
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2475)
at java.lang.Class.getDeclaredMethods(Class.java:1818)
at org.jvnet.hudson.annotation_indexer.Index$2$1.fetch(Index.java:101)
at org.jvnet.hudson.annotation_indexer.Index$2$1.hasNext(Index.java:71)
at org.jvnet.hudson.annotation_indexer.FilterIterator.fetch(FilterIterator.java:23)
at org.jvnet.hudson.annotation_indexer.FilterIterator.hasNext(FilterIterator.java:42)
at hudson.init.TaskMethodFinder.discoverTasks(TaskMethodFinder.java:55)
at hudson.init.InitializerFinder.discoverTasks(InitializerFinder.java:33)
at hudson.PluginManager$2$1$3.run(PluginManager.java:388)
at org.jvnet.hudson.reactor.TaskGraphBuilder$TaskImpl.run(TaskGraphBuilder.java:146)
at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:259)
at jenkins.model.Jenkins$7.runTask(Jenkins.java:904)
at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:187)
at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:94)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:895)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:918)
at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.ClassNotFoundException: hudson.maven.MavenBuild
at org.apache.tools.ant.AntClassLoader.findClassInComponents(AntClassLoader.java:1365)
at org.apache.tools.ant.AntClassLoader.findClass(AntClassLoader.java:1315)
at org.apache.tools.ant.AntClassLoader.loadClass(AntClassLoader.java:1068)
at java.lang.ClassLoader.loadClass(ClassLoader.java:247)
... 18 more
- duplicates
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- Resolved
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[JENKINS-20377] Upgrade to 1.537 refuses to load
Plug-in upgrades were the following. I unpinned them so they have now reverted.
Credentials Plugin - 1.9.1 from 1.4
CVS Plugin - 2.11 from 2.8
LDAP Plugin - 1.6 from 1.2
Maven Project Plugin - 2.0 from (1.518)
PAM Authentication Plugin - 1.1 from 1.0
Promoted Builds Plugin - 2.14 from (2.13)
SSH Credentials Plugin - 1.5.1 from 0.3
SSH Slaves plugin - 1.5 from 0.25
Subversion Plugin - 1.53 from 1.45
Looks like your configuration was invalid (Maven plugin disabled, but plugins with dependency to it enabled) and JENKINS-18654, fixed in 1.524, masked it.
This duplicates JENKINS-18922. Please reopen if enabling disabled plugins doesn't resolve it.
Is there a way to find out which other plugins have a dependency on Maven?
General plugin dependency info to run in Script Console:
Jenkins.instance.pluginManager.getPlugins().each { p ->
println p.shortName
p.dependencies.each { d ->
println " " + d.shortName + ((d.optional ? " (optional)" : ""))
}
}
return
More specifically to find plugins depending on Maven:
Jenkins.instance.pluginManager.getPlugins().each { p ->
p.dependencies.each { d ->
if (d.shortName == 'maven-plugin') println p.shortName + ((d.optional ? " (optional)" : ""))
}
}
return
Manual rollback to 1.518 resolved the issue.