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  1. Jenkins
  2. JENKINS-26761

WorkflowJob.getSCMs throws NullPointerException from notifyCommit hooks after Jenkins Restart

    • Icon: Bug Bug
    • Resolution: Cannot Reproduce
    • Icon: Critical Critical
    • pipeline
    • Jenkins 1.598
      Workflow Plugins 1.2

      Steps to Reproduce:
      1) Create a new workflow job that pulls from git and is set to poll scm infrequently (as appropriate for using scm hooks).
      2) Run the job once manually.
      3) Trigger an scm poll by invoking jenkins-url/git/notifyCommit with appropriate query string.

      Result: Status 200 & Body of response states that polling of the test job was scheduled.

      4) Restart Jenkins (sudo service jenkins restart or similar)
      5) After Jenkins returns to normal running status repeat step 3.

      Result: Status 500 and the stack trace appended to the end of this report.

      6) Run the job again manually (step 2).
      7) Repeat Step 3.

      Result: Status 200 & Body of response states that polling of the test job was scheduled.

      In summary, scm triggers fail post-jenkins restart for workflow jobs until each such job is run once. I did not thuroughly test with multiple jobs but I believe it is the case that every workflow job must be run manually before any job (even non-workflow) can be triggered.

      Stack trace
      
      javax.servlet.ServletException: java.lang.NullPointerException
          at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:796)
          at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
          at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:391)
          at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
          at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
          at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649)
          at org.kohsuke.stapler.Stapler.service(Stapler.java:238)
          at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
          at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:686)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1494)
          at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:123)
          at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:114)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
          at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
          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 jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:117)
          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:135)
          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 jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:93)
          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:67)
          at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
          at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
          at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
          at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
          at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
          at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
          at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1474)
          at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
          at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
          at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:533)
          at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
          at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
          at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
          at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
          at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
          at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
          at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
          at org.eclipse.jetty.server.Server.handle(Server.java:370)
          at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
          at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:949)
          at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1011)
          at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
          at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
          at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
          at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668)
          at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
          at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
          at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
          at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
          at java.lang.Thread.run(Thread.java:745)
      Caused by: java.lang.NullPointerException
          at org.jenkinsci.plugins.workflow.job.WorkflowJob.getSCMs(WorkflowJob.java:419)
          at hudson.plugins.git.GitStatus$JenkinsAbstractProjectListener.onNotifyCommit(GitStatus.java:207)
          at hudson.plugins.git.GitStatus.doNotifyCommit(GitStatus.java:80)
          at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
          at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
          at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
          at java.lang.reflect.Method.invoke(Method.java:483)
          at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:298)
          at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:161)
          at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:96)
          at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:121)
          at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
          at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
          ... 62 more
      

      Page generated: Feb 3, 2015 6:47:45 PMREST APIJenkins ver. 1.598

          [JENKINS-26761] WorkflowJob.getSCMs throws NullPointerException from notifyCommit hooks after Jenkins Restart

          Kenneth Baltrinic created issue -
          Kenneth Baltrinic made changes -
          Description Original: Steps to Reproduce:
          1) Create a new workflow job that pulls from git and is set to poll scm infrequently (as appropriate for using scm hooks).
          2) Run the job once manually.
          3) Trigger an scm poll by invoking jenkins-url/git/notifyCommit with appropriate query string.

          Result: Status 200 & Body of response states that polling of the test job was scheduled.

          4) Restart Jenkins (sudo service jenkins restart or similar)
          5) After Jenkins returns to normal running status repeat step 3.

          In summary, scm triggers fail post-jenkins restart for workflow jobs until each such job is run once.

          Result: Status 500 and the stack trace appended to the end of this report.

          6) Run the job again manually (step 2).
          7) Repeat Step 3.

          Result: Status 200 & Body of response states that polling of the test job was scheduled.

          Stack trace

          javax.servlet.ServletException: java.lang.NullPointerException
              at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:796)
              at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
              at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:391)
              at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
              at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
              at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649)
              at org.kohsuke.stapler.Stapler.service(Stapler.java:238)
              at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
              at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:686)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1494)
              at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:123)
              at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:114)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              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 jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:117)
              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:135)
              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 jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:93)
              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:67)
              at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
              at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
              at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1474)
              at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
              at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:533)
              at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
              at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
              at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
              at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
              at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
              at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
              at org.eclipse.jetty.server.Server.handle(Server.java:370)
              at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
              at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:949)
              at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1011)
              at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
              at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
              at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
              at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668)
              at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
              at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
              at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
              at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
              at java.lang.Thread.run(Thread.java:745)
          Caused by: java.lang.NullPointerException
              at org.jenkinsci.plugins.workflow.job.WorkflowJob.getSCMs(WorkflowJob.java:419)
              at hudson.plugins.git.GitStatus$JenkinsAbstractProjectListener.onNotifyCommit(GitStatus.java:207)
              at hudson.plugins.git.GitStatus.doNotifyCommit(GitStatus.java:80)
              at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
              at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
              at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
              at java.lang.reflect.Method.invoke(Method.java:483)
              at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:298)
              at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:161)
              at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:96)
              at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:121)
              at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
              at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
              ... 62 more
          Page generated: Feb 3, 2015 6:47:45 PMREST APIJenkins ver. 1.598
          New: Steps to Reproduce:
          1) Create a new workflow job that pulls from git and is set to poll scm infrequently (as appropriate for using scm hooks).
          2) Run the job once manually.
          3) Trigger an scm poll by invoking jenkins-url/git/notifyCommit with appropriate query string.

          Result: Status 200 & Body of response states that polling of the test job was scheduled.

          4) Restart Jenkins (sudo service jenkins restart or similar)
          5) After Jenkins returns to normal running status repeat step 3.

          Result: Status 500 and the stack trace appended to the end of this report.

          6) Run the job again manually (step 2).
          7) Repeat Step 3.

          Result: Status 200 & Body of response states that polling of the test job was scheduled.

          In summary, scm triggers fail post-jenkins restart for workflow jobs until each such job is run once.

          Stack trace

          javax.servlet.ServletException: java.lang.NullPointerException
              at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:796)
              at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
              at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:391)
              at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
              at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
              at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649)
              at org.kohsuke.stapler.Stapler.service(Stapler.java:238)
              at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
              at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:686)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1494)
              at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:123)
              at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:114)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              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 jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:117)
              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:135)
              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 jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:93)
              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:67)
              at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
              at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
              at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1474)
              at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
              at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:533)
              at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
              at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
              at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
              at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
              at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
              at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
              at org.eclipse.jetty.server.Server.handle(Server.java:370)
              at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
              at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:949)
              at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1011)
              at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
              at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
              at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
              at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668)
              at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
              at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
              at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
              at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
              at java.lang.Thread.run(Thread.java:745)
          Caused by: java.lang.NullPointerException
              at org.jenkinsci.plugins.workflow.job.WorkflowJob.getSCMs(WorkflowJob.java:419)
              at hudson.plugins.git.GitStatus$JenkinsAbstractProjectListener.onNotifyCommit(GitStatus.java:207)
              at hudson.plugins.git.GitStatus.doNotifyCommit(GitStatus.java:80)
              at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
              at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
              at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
              at java.lang.reflect.Method.invoke(Method.java:483)
              at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:298)
              at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:161)
              at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:96)
              at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:121)
              at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
              at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
              ... 62 more
          Page generated: Feb 3, 2015 6:47:45 PMREST APIJenkins ver. 1.598
          Kenneth Baltrinic made changes -
          Description Original: Steps to Reproduce:
          1) Create a new workflow job that pulls from git and is set to poll scm infrequently (as appropriate for using scm hooks).
          2) Run the job once manually.
          3) Trigger an scm poll by invoking jenkins-url/git/notifyCommit with appropriate query string.

          Result: Status 200 & Body of response states that polling of the test job was scheduled.

          4) Restart Jenkins (sudo service jenkins restart or similar)
          5) After Jenkins returns to normal running status repeat step 3.

          Result: Status 500 and the stack trace appended to the end of this report.

          6) Run the job again manually (step 2).
          7) Repeat Step 3.

          Result: Status 200 & Body of response states that polling of the test job was scheduled.

          In summary, scm triggers fail post-jenkins restart for workflow jobs until each such job is run once.

          Stack trace

          javax.servlet.ServletException: java.lang.NullPointerException
              at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:796)
              at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
              at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:391)
              at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
              at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
              at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649)
              at org.kohsuke.stapler.Stapler.service(Stapler.java:238)
              at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
              at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:686)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1494)
              at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:123)
              at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:114)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              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 jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:117)
              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:135)
              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 jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:93)
              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:67)
              at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
              at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
              at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1474)
              at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
              at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:533)
              at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
              at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
              at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
              at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
              at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
              at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
              at org.eclipse.jetty.server.Server.handle(Server.java:370)
              at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
              at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:949)
              at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1011)
              at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
              at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
              at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
              at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668)
              at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
              at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
              at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
              at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
              at java.lang.Thread.run(Thread.java:745)
          Caused by: java.lang.NullPointerException
              at org.jenkinsci.plugins.workflow.job.WorkflowJob.getSCMs(WorkflowJob.java:419)
              at hudson.plugins.git.GitStatus$JenkinsAbstractProjectListener.onNotifyCommit(GitStatus.java:207)
              at hudson.plugins.git.GitStatus.doNotifyCommit(GitStatus.java:80)
              at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
              at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
              at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
              at java.lang.reflect.Method.invoke(Method.java:483)
              at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:298)
              at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:161)
              at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:96)
              at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:121)
              at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
              at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
              ... 62 more
          Page generated: Feb 3, 2015 6:47:45 PMREST APIJenkins ver. 1.598
          New: Steps to Reproduce:
          1) Create a new workflow job that pulls from git and is set to poll scm infrequently (as appropriate for using scm hooks).
          2) Run the job once manually.
          3) Trigger an scm poll by invoking jenkins-url/git/notifyCommit with appropriate query string.

          Result: Status 200 & Body of response states that polling of the test job was scheduled.

          4) Restart Jenkins (sudo service jenkins restart or similar)
          5) After Jenkins returns to normal running status repeat step 3.

          Result: Status 500 and the stack trace appended to the end of this report.

          6) Run the job again manually (step 2).
          7) Repeat Step 3.

          Result: Status 200 & Body of response states that polling of the test job was scheduled.

          In summary, scm triggers fail post-jenkins restart for workflow jobs until each such job is run once. I did not thuroughly test with multiple jobs but I believe it is the case that _every_ workflow job must be run manually before _any_ job (even non-workflow) can be triggered.

          Stack trace

          javax.servlet.ServletException: java.lang.NullPointerException
              at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:796)
              at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
              at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:391)
              at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
              at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
              at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649)
              at org.kohsuke.stapler.Stapler.service(Stapler.java:238)
              at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
              at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:686)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1494)
              at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:123)
              at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:114)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              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 jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:117)
              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:135)
              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 jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:93)
              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:67)
              at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
              at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
              at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1474)
              at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
              at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:533)
              at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
              at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
              at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
              at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
              at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
              at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
              at org.eclipse.jetty.server.Server.handle(Server.java:370)
              at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
              at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:949)
              at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1011)
              at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
              at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
              at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
              at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668)
              at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
              at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
              at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
              at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
              at java.lang.Thread.run(Thread.java:745)
          Caused by: java.lang.NullPointerException
              at org.jenkinsci.plugins.workflow.job.WorkflowJob.getSCMs(WorkflowJob.java:419)
              at hudson.plugins.git.GitStatus$JenkinsAbstractProjectListener.onNotifyCommit(GitStatus.java:207)
              at hudson.plugins.git.GitStatus.doNotifyCommit(GitStatus.java:80)
              at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
              at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
              at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
              at java.lang.reflect.Method.invoke(Method.java:483)
              at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:298)
              at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:161)
              at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:96)
              at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:121)
              at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
              at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
              ... 62 more
          Page generated: Feb 3, 2015 6:47:45 PMREST APIJenkins ver. 1.598
          Kanstantsin Shautsou made changes -
          Description Original: Steps to Reproduce:
          1) Create a new workflow job that pulls from git and is set to poll scm infrequently (as appropriate for using scm hooks).
          2) Run the job once manually.
          3) Trigger an scm poll by invoking jenkins-url/git/notifyCommit with appropriate query string.

          Result: Status 200 & Body of response states that polling of the test job was scheduled.

          4) Restart Jenkins (sudo service jenkins restart or similar)
          5) After Jenkins returns to normal running status repeat step 3.

          Result: Status 500 and the stack trace appended to the end of this report.

          6) Run the job again manually (step 2).
          7) Repeat Step 3.

          Result: Status 200 & Body of response states that polling of the test job was scheduled.

          In summary, scm triggers fail post-jenkins restart for workflow jobs until each such job is run once. I did not thuroughly test with multiple jobs but I believe it is the case that _every_ workflow job must be run manually before _any_ job (even non-workflow) can be triggered.

          Stack trace

          javax.servlet.ServletException: java.lang.NullPointerException
              at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:796)
              at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
              at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:391)
              at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
              at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
              at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649)
              at org.kohsuke.stapler.Stapler.service(Stapler.java:238)
              at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
              at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:686)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1494)
              at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:123)
              at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:114)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              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 jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:117)
              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:135)
              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 jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:93)
              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:67)
              at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
              at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
              at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1474)
              at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
              at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:533)
              at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
              at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
              at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
              at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
              at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
              at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
              at org.eclipse.jetty.server.Server.handle(Server.java:370)
              at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
              at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:949)
              at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1011)
              at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
              at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
              at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
              at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668)
              at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
              at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
              at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
              at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
              at java.lang.Thread.run(Thread.java:745)
          Caused by: java.lang.NullPointerException
              at org.jenkinsci.plugins.workflow.job.WorkflowJob.getSCMs(WorkflowJob.java:419)
              at hudson.plugins.git.GitStatus$JenkinsAbstractProjectListener.onNotifyCommit(GitStatus.java:207)
              at hudson.plugins.git.GitStatus.doNotifyCommit(GitStatus.java:80)
              at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
              at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
              at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
              at java.lang.reflect.Method.invoke(Method.java:483)
              at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:298)
              at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:161)
              at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:96)
              at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:121)
              at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
              at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
              ... 62 more
          Page generated: Feb 3, 2015 6:47:45 PMREST APIJenkins ver. 1.598
          New: Steps to Reproduce:
          1) Create a new workflow job that pulls from git and is set to poll scm infrequently (as appropriate for using scm hooks).
          2) Run the job once manually.
          3) Trigger an scm poll by invoking jenkins-url/git/notifyCommit with appropriate query string.

          Result: Status 200 & Body of response states that polling of the test job was scheduled.

          4) Restart Jenkins (sudo service jenkins restart or similar)
          5) After Jenkins returns to normal running status repeat step 3.

          Result: Status 500 and the stack trace appended to the end of this report.

          6) Run the job again manually (step 2).
          7) Repeat Step 3.

          Result: Status 200 & Body of response states that polling of the test job was scheduled.

          In summary, scm triggers fail post-jenkins restart for workflow jobs until each such job is run once. I did not thuroughly test with multiple jobs but I believe it is the case that _every_ workflow job must be run manually before _any_ job (even non-workflow) can be triggered.
          {code}
          Stack trace

          javax.servlet.ServletException: java.lang.NullPointerException
              at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:796)
              at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
              at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:391)
              at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
              at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
              at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649)
              at org.kohsuke.stapler.Stapler.service(Stapler.java:238)
              at javax.servlet.http.HttpServlet.service(HttpServlet.java:848)
              at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:686)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1494)
              at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:123)
              at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:114)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              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 jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:117)
              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:135)
              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 jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:93)
              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:67)
              at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
              at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
              at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1482)
              at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
              at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1474)
              at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:499)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
              at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:533)
              at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
              at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1086)
              at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:428)
              at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
              at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1020)
              at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
              at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
              at org.eclipse.jetty.server.Server.handle(Server.java:370)
              at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:489)
              at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:949)
              at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:1011)
              at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:644)
              at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
              at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
              at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:668)
              at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
              at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
              at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
              at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
              at java.lang.Thread.run(Thread.java:745)
          Caused by: java.lang.NullPointerException
              at org.jenkinsci.plugins.workflow.job.WorkflowJob.getSCMs(WorkflowJob.java:419)
              at hudson.plugins.git.GitStatus$JenkinsAbstractProjectListener.onNotifyCommit(GitStatus.java:207)
              at hudson.plugins.git.GitStatus.doNotifyCommit(GitStatus.java:80)
              at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
              at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
              at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
              at java.lang.reflect.Method.invoke(Method.java:483)
              at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:298)
              at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:161)
              at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:96)
              at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:121)
              at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
              at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
              ... 62 more
          {code}
          Page generated: Feb 3, 2015 6:47:45 PMREST APIJenkins ver. 1.598
          Jesse Glick made changes -
          Priority Original: Major [ 3 ] New: Critical [ 2 ]
          Jesse Glick made changes -
          Status Original: Open [ 1 ] New: In Progress [ 3 ]
          Jesse Glick made changes -
          Resolution New: Cannot Reproduce [ 5 ]
          Status Original: In Progress [ 3 ] New: Resolved [ 5 ]
          Jesse Glick made changes -
          Remote Link New: This issue links to "PR 57 (Web Link)" [ 12119 ]
          Kenneth Baltrinic made changes -
          Resolution Original: Cannot Reproduce [ 5 ]
          Status Original: Resolved [ 5 ] New: Reopened [ 4 ]
          Kenneth Baltrinic made changes -
          Attachment New: JENKINS-26761-build.xml [ 28734 ]
          Kenneth Baltrinic made changes -
          Attachment New: JENKINS-26761-build-1.xml [ 28738 ]

            jglick Jesse Glick
            kbaltrinic Kenneth Baltrinic
            Votes:
            5 Vote for this issue
            Watchers:
            9 Start watching this issue

              Created:
              Updated:
              Resolved: