[JIRA] [ghprb] (JENKINS-17902) NullPointerException and "pull request doesn't exist" when triggering build via GitHub hooks

Wed, 08 May 2013 10:32:01 -0700

Issue Type: Bug Bug
Affects Versions: current
Assignee: Honza Brázdil
Components: ghprb
Created: 08/May/13 5:31 PM
Description:

Just upgraded to v1.8 from 1.5.1.

We decided to change from the cron to using the hook/callback. It worked fine when comments were added such as "retest this please" (issue_comment hook), but when a new commit is pushed (pull_request hook, synchronize action), it isn't triggering a new build. Closing and opening the pull request does trigger a new build.

I checked the logs and there seems to be a null pointer exception. I haven't had time to really debug it any further yet.

May 08, 2013 1:57:36 AM org.jenkinsci.plugins.ghprb.GhprbRootAction doIndex
INFO: Got payload event: pull_request
May 08, 2013 1:57:36 AM org.kohsuke.stapler.compression.CompressionFilter reportException
WARNING: Untrapped servlet exception
javax.servlet.ServletException: java.lang.NullPointerException
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:719)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:770)
	at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:384)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:677)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:770)
	at org.kohsuke.stapler.Stapler.invoke(Stapler.java:583)
	at org.kohsuke.stapler.Stapler.service(Stapler.java:214)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:722)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:305)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:95)
	at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:87)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	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: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 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:64)
	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$1.doFilter(ChainedServletFilter.java:87)
	at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
	at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:50)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:243)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:210)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:222)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:123)
	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:472)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:168)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:99)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:118)
	at org.apache.catalina.ha.tcp.ReplicationValve.invoke(ReplicationValve.java:333)
	at org.apache.catalina.ha.session.JvmRouteBinderValve.invoke(JvmRouteBinderValve.java:219)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:407)
	at org.apache.coyote.ajp.AjpAprProcessor.process(AjpAprProcessor.java:197)
	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:585)
	at org.apache.tomcat.util.net.AprEndpoint$SocketWithOptionsProcessor.run(AprEndpoint.java:1771)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
	at java.lang.Thread.run(Thread.java:722)
Caused by: java.lang.NullPointerException
	at org.kohsuke.github.GHIssue.getApiRoute(GHIssue.java:204)
	at org.kohsuke.github.GHIssue.access$000(GHIssue.java:41)
	at org.kohsuke.github.GHIssue$1.iterator(GHIssue.java:193)
	at org.kohsuke.github.PagedIterable.asList(PagedIterable.java:19)
	at org.kohsuke.github.GHIssue.getComments(GHIssue.java:184)
	at org.jenkinsci.plugins.ghprb.GhprbPullRequest.checkComments(GhprbPullRequest.java:157)
	at org.jenkinsci.plugins.ghprb.GhprbPullRequest.check(GhprbPullRequest.java:65)
	at org.jenkinsci.plugins.ghprb.GhprbRepository.onPullRequestHook(GhprbRepository.java:206)
	at org.jenkinsci.plugins.ghprb.GhprbRootAction.doIndex(GhprbRootAction.java:62)
	at sun.reflect.GeneratedMethodAccessor717.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.kohsuke.stapler.Function$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$2.dispatch(MetaClass.java:156)
	at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:677)
	... 59 more

May 08, 2013 1:57:36 AM org.jenkinsci.plugins.ghprb.GhprbPullRequest check
INFO: Pull request builder: pr #74 was updated on SomeOrg/SomeApp at 5/8/13 1:54 AM
May 08, 2013 1:57:36 AM org.jenkinsci.plugins.ghprb.GhprbRootAction doIndex
INFO: Got payload event: pull_request

Also, randomly after closing/reopening, adding/deleting some comments, etc... It started telling me that the pull request that the hook was being triggered for didn't exist.

May 08, 2013 3:21:26 PM org.jenkinsci.plugins.ghprb.GhprbRepository onPullRequestHook
SEVERE: Pull Request #74 doesnt exist
May 08, 2013 3:21:26 PM org.jenkinsci.plugins.ghprb.GhprbRootAction doIndex
INFO: Got payload event: pull_request

Everything appears to be working by simply switching back to the cron strategy (unchecking "Use github hooks for build triggering") for now.

Once I finish some other work, I'll switch it back to the hook method and try to debug further.
Project: Jenkins
Priority: Major Major
Reporter: Evan Coury
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