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  1. Jenkins
  2. JENKINS-19063

Failed to instantiate class BuildChooser from stapler-class:hudson.tasks.Maven

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    • Icon: Bug Bug
    • Resolution: Fixed
    • Icon: Major Major
    • core, git-plugin
    • None

      Sometimes (about once out of 10 times), when I do this:

      • click Configure of a job,
      • change something (not GitSCM related),
      • click on Save,

      I get the exception below.
      The workaround is to simply click Configure again, make the same change again and Save, and then it succeeds.

      Status Code: 500

Exception: 
Stacktrace:
java.lang.RuntimeException: Failed to instantiate class hudson.plugins.git.GitSCM from {"":["hudson.plugins.git.util.DefaultBuildChooser","6"],"authorOrCommitter":false,"branches":{"name":"master"},"browser":{"stapler-class<span class="code-quote">":"hudson.plugins.git.browser.GitoriousWeb","url":"http://git.host.domain/my-project/my-repo/"},"buildChooser":{"stapler-class<span class="code-quote">":"hudson.tasks.Maven"},"clean":false,"disableSubmodules":false,"excludedRegions":"","excludedUsers":"","gitConfigEmail":"","gitConfigName":"","gitTool":"Default","ignoreNotifyCommit":false,"includedRegions":"","localBranch":"master","pruneBranches":true,"recursiveSubmodules":true,"reference":"/home/jenkins/reference_repositories/my-project/my-repo","relativeTargetDir":"","remotePoll":true,"scmName":"","skipTag":false,"useShallowClone":false,"userRemoteConfigs":{"name":"origin","refspec":"+refs/heads/*:refs/remotes/origin/*","url":"git@git.host.domain:my-project/my-repo.git"},"value":"2","wipeOutWorkspace":false}
	at hudson.model.Descriptor.newInstance(Descriptor.java:602)
	at hudson.plugins.git.GitSCM$DescriptorImpl.newInstance(GitSCM.java:1484)
	at hudson.plugins.git.GitSCM$DescriptorImpl.newInstance(GitSCM.java:1405)
	at hudson.scm.SCMS.parseSCM(SCMS.java:63)
	at hudson.model.AbstractProject.submit(AbstractProject.java:1878)
	at hudson.model.Project.submit(Project.java:195)
	at hudson.model.Job.doConfigSubmit(Job.java:1045)
	at hudson.model.AbstractProject.doConfigSubmit(AbstractProject.java:729)
	at sun.reflect.GeneratedMethodAccessor1439.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
	at java.lang.reflect.Method.invoke(Method.java:597)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:288)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:151)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:90)
	at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:111)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:573)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:658)
	at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:241)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:573)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:658)
	at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:241)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:573)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:658)
	at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:241)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:573)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:658)
	at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:241)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:573)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:658)
	at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:241)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:573)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:658)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:487)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:164)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:45)
	at winstone.ServletConfiguration.execute(ServletConfiguration.java:248)
	at winstone.RequestDispatcher.forward(RequestDispatcher.java:333)
	at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:376)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:95)
	at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:58)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:98)
	at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:206)
	at net.bull.javamelody.MonitoringFilter.doFilter(MonitoringFilter.java:179)
	at net.bull.javamelody.PluginMonitoringFilter.doFilter(PluginMonitoringFilter.java:86)
	at org.jvnet.hudson.plugins.monitoring.HudsonMonitoringFilter.doFilter(HudsonMonitoringFilter.java:84)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:98)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:87)
	at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
	at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:47)
	at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
	at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
	at hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at org.acegisecurity.ui.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:124)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:174)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at jenkins.security.ApiTokenFilter.doFilter(ApiTokenFilter.java:63)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
	at hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:66)
	at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
	at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
	at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
	at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:50)
	at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
	at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
	at winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
	at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
	at winstone.RequestDispatcher.forward(RequestDispatcher.java:331)
	at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:215)
	at winstone.RequestHandlerThread.run(RequestHandlerThread.java:138)
	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
	at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
	at java.util.concurrent.FutureTask.run(FutureTask.java:138)
	at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
	at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
	at java.lang.Thread.run(Thread.java:662)
Caused by: java.lang.IllegalArgumentException: Failed to instantiate class hudson.plugins.git.GitSCM from {"":["hudson.plugins.git.util.DefaultBuildChooser","6"],"authorOrCommitter":false,"branches":{"name":"master"},"browser":{"stapler-class<span class="code-quote">":"hudson.plugins.git.browser.GitoriousWeb","url":"http://git.corp.mobile.de/mobile-platform/testautomation-generic-suite/"},"buildChooser":{"stapler-class<span class="code-quote">":"hudson.tasks.Maven"},"clean":false,"disableSubmodules":false,"excludedRegions":"","excludedUsers":"","gitConfigEmail":"","gitConfigName":"","gitTool":"Default","ignoreNotifyCommit":false,"includedRegions":"","localBranch":"master","pruneBranches":true,"recursiveSubmodules":true,"reference":"/home/jenkins/reference_repositories/mobile-platform/testautomation-generic-suite","relativeTargetDir":"","remotePoll":true,"scmName":"","skipTag":false,"useShallowClone":false,"userRemoteConfigs":{"name":"origin","refspec":"+refs/heads/*:refs/remotes/origin/*","url":"git@git.corp.mobile.de:mobile-platform/testautomation-generic-suite.git"},"value":"2","wipeOutWorkspace":false}
	at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:582)
	at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:377)
	at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:373)
	at hudson.model.Descriptor.newInstance(Descriptor.java:593)
	... 95 more
Caused by: java.lang.IllegalArgumentException: Failed to convert the buildChooser parameter of the constructor public hudson.plugins.git.GitSCM(java.lang.String,java.util.List,java.util.List,hudson.plugins.git.UserMergeOptions,java.lang.Boolean,java.util.Collection,boolean,boolean,hudson.plugins.git.util.BuildChooser,hudson.plugins.git.browser.GitRepositoryBrowser,java.lang.String,boolean,java.lang.String,java.lang.String,java.lang.String,java.lang.String,java.lang.String,boolean,boolean,boolean,boolean,java.lang.String,java.lang.String,boolean,java.lang.String,boolean,boolean)
	at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:576)
	... 98 more
Caused by: java.lang.IllegalArgumentException: Failed to instantiate class hudson.plugins.git.util.BuildChooser from {"stapler-class":"hudson.tasks.Maven"}
	at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:582)
	at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:377)
	at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:574)
	... 98 more
Caused by: java.lang.IllegalArgumentException: Specified type class hudson.tasks.Maven is not assignable to the expected class hudson.plugins.git.util.BuildChooser
	at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:552)
	... 100 more

      Interesting bits extracted:

      • IllegalArgumentException: Failed to instantiate class hudson.plugins.git.GitSCM from {...}
      • Failed to convert the buildChooser parameter of the constructor public hudson.plugins.git.GitSCM(...)
      • Failed to instantiate class hudson.plugins.git.util.BuildChooser from {"stapler-class":"hudson.tasks.Maven"}
      • Specified type class hudson.tasks.Maven is not assignable to the expected class hudson.plugins.git.util.BuildChooser

      Why would it want to instantiate a hudson.plugins.git.util.BuildChooser from a hudson.tasks.Maven?

      The big map at the beginning of the excption looks like this:

      • "":["hudson.plugins.git.util.DefaultBuildChooser","6"]
      • "authorOrCommitter":false
      • "branches": {"name":"master"}
      • "browser": {"stapler-class":"hudson.plugins.git.browser.GitoriousWeb" - "url":"http://git.corp.mobile.de/mobile-platform/testautomation-generic-suite/"}
      • "buildChooser": {"stapler-class":"hudson.tasks.Maven"}
      • "clean":false
      • "disableSubmodules":false
      • "excludedRegions":""
      • "excludedUsers":""
      • "gitConfigEmail":""
      • "gitConfigName":""
      • "gitTool":"Default"
      • "ignoreNotifyCommit":false
      • "includedRegions":""
      • "localBranch":"master"
      • "pruneBranches":true
      • "recursiveSubmodules":true
      • "reference":"/home/jenkins/reference_repositories/mobile-platform/testautomation-generic-suite"
      • "relativeTargetDir":""
      • "remotePoll":true
      • "scmName":""
      • "skipTag":false
      • "useShallowClone":false
      • "userRemoteConfigs": {"name":"origin","refspec":"+refs/heads/*:refs/remotes/origin/*","url":"git@git.corp.mobile.de:mobile-platform/testautomation-generic-suite.git"}
      • "value":"2"
      • "wipeOutWorkspace":false

      And sure enough it contains the suspicious line:

      • "buildChooser": {"stapler-class":"hudson.tasks.Maven"}

      There is a similar issue (JENKINS-14707), where that line reads:

      • "buildChooser": {"stapler-class":"hudson.plugins.git.browser.GitoriousWeb"}

      Why would stapler put that completely unrelated class name there? When I look at the config.xml of the project, I see this:
      <buildChooser class="hudson.plugins.git.util.DefaultBuildChooser"/>
      which looks reasonable.

            ndeloof Nicolas De Loof
            marc_guenther Marc Günther
            Votes:
            2 Vote for this issue
            Watchers:
            4 Start watching this issue

              Created:
              Updated:
              Resolved: