It's the credentials plugin installed, and current, and enabled? There have been other reports of a class loader failure, but we have not been able to duplicate them. On Apr 3, 2014 9:00 AM, "Sandell, Robert" <[email protected]> wrote:
> Onto my next post LTS upgrade problem.
>
>
>
> Suddenly we see this stacktrace in build logs when the git plugin is
> fetching from the repository.
>
>
>
> Caused by: java.lang.NoClassDefFoundError:
> org.jenkinsci.plugins.gitclient.GitClient
>
> at java.lang.Class.getDeclaredFields0(Native Method)
>
> at java.lang.Class.privateGetDeclaredFields(Class.java:2397)
>
> at java.lang.Class.getDeclaredField(Class.java:1946)
>
> at
> java.io.ObjectStreamClass.getDeclaredSUID(ObjectStreamClass.java:1659)
>
> at java.io.ObjectStreamClass.access$700(ObjectStreamClass.java:72)
>
> at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:480)
>
> at java.io.ObjectStreamClass$2.run(ObjectStreamClass.java:468)
>
> at java.security.AccessController.doPrivileged(Native Method)
>
> at java.io.ObjectStreamClass.<init>(ObjectStreamClass.java:468)
>
> at java.io.ObjectStreamClass.lookup(ObjectStreamClass.java:365)
>
> at
> java.io.ObjectStreamClass.initNonProxy(ObjectStreamClass.java:602)
>
> at
> java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1622)
>
> at
> java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1517)
>
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1771)
>
> at
> java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1350)
>
> at
> java.io.ObjectInputStream.readObject(ObjectInputStream.java:370)
>
> at hudson.remoting.UserRequest.deserialize(UserRequest.java:182)
>
> at hudson.remoting.UserResponse.retrieve(UserRequest.java:211)
>
> at hudson.remoting.Channel.call(Channel.java:723)
>
>
>
> A similar stacktrace if we try to run the build on the master instead.
>
>
>
> We got this problem at one time when we first upgraded (everything), my
> first guess was that it was because of some library changes in git-client
> so we cleaned up some old hpi and jpi files and installed the previous
> micro version of git and git client, started Jenkins and it worked again.
>
> The other servers didn't have the problem when we upgraded them. But
> suddenly yesterday it happened in runtime. On Monday the git plugin worked
> and on Tuesday it didn't.
>
>
>
> I've tried some Groovy debugging with the following script:
>
>
>
> def gitClient = Jenkins.instance.pluginManager.getPlugin("git-client")
>
>
> println(gitClient.classLoader.findLoadedClass("org.jenkinsci.plugins.gitclient.GitClient"))
>
> //output: interface org.jenkinsci.plugins.gitclient.GitClient
>
>
> println(Jenkins.instance.pluginManager.uberClassLoader.findClass("org.jenkinsci.plugins.gitclient.GitClient"))
>
> //output: interface org.jenkinsci.plugins.gitclient.GitClient
>
>
>
> def gitPlugin = Jenkins.instance.pluginManager.getPlugin("git")
>
> println(gitPlugin.classLoader.findLoadedClass("hudson.plugins.git.GitSCM"))
>
> //output: class hudson.plugins.git.GitSCM
>
> println(Jenkins.instance.pluginManager.uberClassLoader.findClass("hudson.plugins.git.GitSCM"))
>
>
> //output: class hudson.plugins.git.GitSCM
>
>
> println(gitPlugin.classLoader.findLoadedClass("org.jenkinsci.plugins.gitclient.GitClient"))
>
> //output: interface org.jenkinsci.plugins.gitclient.GitClient
>
>
>
> def job = Jenkins.instance.getItem("Tools_GerritTester")
>
> println(job.getClass().getClassLoader().findLoadedClass("org.jenkinsci.plugins.gitclient.GitClient"))
>
>
> //output: null
>
> println(job.getClass().getClassLoader().findLoadedClass("hudson.plugins.git.GitSCM"))
>
>
> //output: null
>
>
> println(job.getScm().getClass().getClassLoader().findLoadedClass("org.jenkinsci.plugins.gitclient.GitClient"))
>
> //output: interface org.jenkinsci.plugins.gitclient.GitClient
>
>
>
>
>
> The output is the same whether I run it on a master with the problem or
> one that doesn't have it.
>
>
>
> Are there any other classloading scenarios that I've missed, or something
> else I can try to find the issue? I'd prefer to not just reboot and forget
> about it ;)
>
>
>
>
>
>
>
> *Robert Sandell*
>
> Staff Engineer
>
> Development Environment
>
> Software Environment and Product Configuration
>
>
>
> *Sony Mobile Communications*
>
> Tel: +46 10 80 12721
>
> [email protected] <[email protected]>
>
> sonymobile.com
>
>
>
> [image: Sony logotype_23px height_Email_144dpi]
>
>
>
>
>
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