Jenkins fails to start with error 'Failed to load org.jenkinsci.plugins.scriptler.git.GitScriptlerRepository'

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Vivek Payala

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May 6, 2016, 3:13:30 PM5/6/16
to Jenkins Users, vivek....@leoburnett.com
Issue: I plan to use the Active Choices plugin. It has Scriptler as its dependency which in turn requires GIT Server. Upon installing GIT Server plugin jenkins fails to start with the following exception in the startup logs.

May 06, 2016 1:45:29 AM hudson.ExtensionFinder$Sezpoz _find
WARNING: Failed to load org.jenkinsci.plugins.scriptler.git.GitScriptlerRepository
java.lang.InstantiationException: java.lang.NoClassDefFoundError: org/jenkinsci/plugins/gitserver/FileBackedHttpGitRepository
at net.java.sezpoz.IndexItem.element(IndexItem.java:146)
at hudson.ExtensionFinder$Sezpoz._find(ExtensionFinder.java:629)
at hudson.ExtensionFinder$Sezpoz.find(ExtensionFinder.java:618)
at hudson.ExtensionFinder$GuiceFinder.<init>(ExtensionFinder.java:257)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
at java.lang.Class.newInstance(Class.java:442)
at net.java.sezpoz.IndexItem.instance(IndexItem.java:181)
at hudson.ExtensionFinder$Sezpoz._find(ExtensionFinder.java:643)
at hudson.ExtensionFinder$Sezpoz.find(ExtensionFinder.java:618)
at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:388)
at hudson.ExtensionList.load(ExtensionList.java:349)
at hudson.ExtensionList.ensureLoaded(ExtensionList.java:287)
at hudson.ExtensionList.iterator(ExtensionList.java:156)
at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:381)
at hudson.ExtensionList.load(ExtensionList.java:349)
at hudson.ExtensionList.ensureLoaded(ExtensionList.java:287)
at hudson.ExtensionList.iterator(ExtensionList.java:156)
at jenkins.model.Jenkins.getDescriptor(Jenkins.java:1173)
at hudson.plugins.disk_usage.DiskUsageProperty.transitionAuth(DiskUsageProperty.java:444)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at hudson.init.TaskMethodFinder.invoke(TaskMethodFinder.java:106)
at hudson.init.TaskMethodFinder$TaskImpl.run(TaskMethodFinder.java:176)
at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)
at jenkins.model.Jenkins$7.runTask(Jenkins.java:905)
at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)
at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoClassDefFoundError: org/jenkinsci/plugins/gitserver/FileBackedHttpGitRepository
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
at jenkins.util.AntClassLoader.defineClassFromData(AntClassLoader.java:1139)
at hudson.ClassicPluginStrategy$AntClassLoader2.defineClassFromData(ClassicPluginStrategy.java:801)
at jenkins.util.AntClassLoader.getClassFromStream(AntClassLoader.java:1310)
at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1366)
at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1326)
at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at jenkins.ClassLoaderReflectionToolkit.invoke(ClassLoaderReflectionToolkit.java:44)
at jenkins.ClassLoaderReflectionToolkit._findClass(ClassLoaderReflectionToolkit.java:86)
at hudson.PluginManager$UberClassLoader.findClass(PluginManager.java:1120)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at net.java.sezpoz.IndexItem.element(IndexItem.java:134)
... 34 more
Caused by: java.lang.ClassNotFoundException: org.jenkinsci.plugins.gitserver.FileBackedHttpGitRepository
at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1376)
at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1326)
at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1079)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 50 more

May 06, 2016 1:45:29 AM hudson.ExtensionFinder$Sezpoz _find
WARNING: Failed to load org.jenkinsci.plugins.scriptler.git.GitScriptlerRepositorySSHAccess
java.lang.InstantiationException: java.lang.NoClassDefFoundError: org/jenkinsci/plugins/gitserver/RepositoryResolver
at net.java.sezpoz.IndexItem.element(IndexItem.java:146)
at hudson.ExtensionFinder$Sezpoz._find(ExtensionFinder.java:629)
at hudson.ExtensionFinder$Sezpoz.find(ExtensionFinder.java:618)
at hudson.ExtensionFinder$GuiceFinder.<init>(ExtensionFinder.java:257)
at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.lang.reflect.Constructor.newInstance(Constructor.java:422)
at java.lang.Class.newInstance(Class.java:442)
at net.java.sezpoz.IndexItem.instance(IndexItem.java:181)
at hudson.ExtensionFinder$Sezpoz._find(ExtensionFinder.java:643)
at hudson.ExtensionFinder$Sezpoz.find(ExtensionFinder.java:618)
at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:388)
at hudson.ExtensionList.load(ExtensionList.java:349)
at hudson.ExtensionList.ensureLoaded(ExtensionList.java:287)
at hudson.ExtensionList.iterator(ExtensionList.java:156)
at hudson.ClassicPluginStrategy.findComponents(ClassicPluginStrategy.java:381)
at hudson.ExtensionList.load(ExtensionList.java:349)
at hudson.ExtensionList.ensureLoaded(ExtensionList.java:287)
at hudson.ExtensionList.iterator(ExtensionList.java:156)
at jenkins.model.Jenkins.getDescriptor(Jenkins.java:1173)
at hudson.plugins.disk_usage.DiskUsageProperty.transitionAuth(DiskUsageProperty.java:444)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at hudson.init.TaskMethodFinder.invoke(TaskMethodFinder.java:106)
at hudson.init.TaskMethodFinder$TaskImpl.run(TaskMethodFinder.java:176)
at org.jvnet.hudson.reactor.Reactor.runTask(Reactor.java:282)
at jenkins.model.Jenkins$7.runTask(Jenkins.java:905)
at org.jvnet.hudson.reactor.Reactor$2.run(Reactor.java:210)
at org.jvnet.hudson.reactor.Reactor$Node.run(Reactor.java:117)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoClassDefFoundError: org/jenkinsci/plugins/gitserver/RepositoryResolver
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
at jenkins.util.AntClassLoader.defineClassFromData(AntClassLoader.java:1139)
at hudson.ClassicPluginStrategy$AntClassLoader2.defineClassFromData(ClassicPluginStrategy.java:801)
at jenkins.util.AntClassLoader.getClassFromStream(AntClassLoader.java:1310)
at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1366)
at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1326)
at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at jenkins.ClassLoaderReflectionToolkit.invoke(ClassLoaderReflectionToolkit.java:44)
at jenkins.ClassLoaderReflectionToolkit._findClass(ClassLoaderReflectionToolkit.java:86)
at hudson.PluginManager$UberClassLoader.findClass(PluginManager.java:1120)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
at net.java.sezpoz.IndexItem.element(IndexItem.java:134)
... 34 more
Caused by: java.lang.ClassNotFoundException: org.jenkinsci.plugins.gitserver.RepositoryResolver
at jenkins.util.AntClassLoader.findClassInComponents(AntClassLoader.java:1376)
at jenkins.util.AntClassLoader.findClass(AntClassLoader.java:1326)
at jenkins.util.AntClassLoader.loadClass(AntClassLoader.java:1079)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 50 more


I had to remove the git-server plugin and its folder from the plugins location in order to restore jenkins. I have tried installing the 'git-userContent-plugin', that also throws the same exception. I am listing below the jenkins setup we have currently.

Setup Info:
  • Jenkins version: 1.619
  • Pre-installed GIT plugins: Git client plugin (v1.19.4), Git plugin (2.4.2)
  • OS: RHEL 6.6
  • Default GIT bundled with the OS:
# /usr/bin/git --version
git version 1.7.1
  • The same jenkins server also hosts our GIT Server, from GitLab.
# /opt/gitlab/embedded/bin/git --version
git version 2.4.3
  • Jenkins service account is configured to use the GitLab version of GIT, as that version is required by the GIT client plugins to work.

I am suspecting the multiple GIT installations is probably what is causing the issue, I will try to reproduce this setup in a test environment. Has anyone faced a similar issue? Request the group's assistance in helping me resolve this issue. 

I tried installing Active Choices with Scriptler, GIT Server and all other dependencies in a jenkins 2.0 test setup, it works flawlessly. If GitLab turns out to be a conflicting issue, I would request the systems team to move GitLab move to its own new server or a different server, but I will need to prove that. I believe it is a best practice anyway to have build server and version control servers on separate servers. We are primarily on SVN, but have recently started using Git for some new projects.

Thanks in advance!

- Vivek
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