[JIRA] (JENKINS-39915) NullPointerException when changing Build Trigger from build periodically to poll SCM

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cpadgett@stsci.edu (JIRA)

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Nov 21, 2016, 11:11:01 AM11/21/16
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Alex Padgett created an issue
 
Jenkins / Bug JENKINS-39915
NullPointerException when changing Build Trigger from build periodically to poll SCM
Issue Type: Bug Bug
Assignee: Oleg Nenashev
Components: _unsorted
Created: 2016/Nov/21 4:10 PM
Environment: Jenkins LTS 2.19.3
Oracle JRE 1.8.0_102 (64-bit)
RHEL 6
Priority: Critical Critical
Reporter: Alex Padgett

To reproduce:

  1. Create a frestyle project
  2. Configure to build periodically @midnight
  3. Save
  4. Configure again
  5. Uncheck build periodically
  6. Check Poll SCM and enter @midnight
  7. Save

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$5.doDispatch(MetaClass.java:233)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:238)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:135)
	at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:59)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:126)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:80)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
	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: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 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$1.doFilter(ChainedServletFilter.java:87)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:171)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
	at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:82)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
	at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:553)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
	at org.eclipse.jetty.server.Server.handle(Server.java:499)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
	at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
	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 hudson.model.AbstractProject.submit(AbstractProject.java:1884)
	at hudson.model.Project.submit(Project.java:230)
	at hudson.model.Job.doConfigSubmit(Job.java:1246)
	at hudson.model.AbstractProject.doConfigSubmit(AbstractProject.java:796)
	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:498)
	at org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:324)
	at org.kohsuke.stapler.interceptor.RequirePOST$Processor.invoke(RequirePOST.java:52)
	at org.kohsuke.stapler.PreInvokeInterceptedFunction.invoke(PreInvokeInterceptedFunction.java:26)
	at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:167)
	at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:100)
	at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:124)
	at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:58)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
	... 60 more

ALL subsequent attempts to change configuration fail with NPE as above.

There is a new <null/> line in the project's config.xml:

<?xml version='1.0' encoding='UTF-8'?>                                          
<project>                                                                       
...
  <triggers>                                                                    
    <null/>                                                                     
...        
  </triggers>
...                                                              
</project>

I was able to get this error also when Git was enabled as the SCM, but it is simpler to reproduce as above.
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cpadgett@stsci.edu (JIRA)

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Nov 21, 2016, 12:02:01 PM11/21/16
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Alex Padgett commented on Bug JENKINS-39915
 
Re: NullPointerException when changing Build Trigger from build periodically to poll SCM

Sadly, unable to reproduce this error on a vanilla Docker container of jenkins:latest (2.19.3). So I suspect it is related to installed plug-ins or configuration.... Will keep trying.

cpadgett@stsci.edu (JIRA)

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Nov 21, 2016, 12:13:05 PM11/21/16
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Requires the Docker Slaves plug-in to be installed.

To reproduce using Docker jenkins:latest (2.19.3):

  1. Run container
  2. Choose to install common plug-ins
  3. install Docker Slaves plug-in
  4. Follow remaining steps in description.

cpadgett@stsci.edu (JIRA)

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Nov 21, 2016, 12:17:48 PM11/21/16
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Uninstalling the Docker Slaves and Docker Commons plug-ins solves the issue.

o.v.nenashev@gmail.com (JIRA)

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Dec 2, 2016, 6:33:01 AM12/2/16
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Oleg Nenashev updated an issue
 
Change By: Oleg Nenashev
Component/s: docker-commons-plugin
Component/s: docker-slaves-plugin
Component/s: _unsorted

o.v.nenashev@gmail.com (JIRA)

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Dec 2, 2016, 6:34:01 AM12/2/16
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Oleg Nenashev assigned an issue to Nicolas De Loof
Change By: Oleg Nenashev
Assignee: Oleg Nenashev Nicolas De Loof
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