[Blue Ocean] failed to write CommitId

[Marc Esher]

Hey all,

I've installed all the blue ocean hpis, and all dependencies, into an existing Jenkins 2.9 server running on RHEL.

Jenkins starts fine, and I get the "try blue ocean" button at the top of the screen.

However, when I go to /blue, I get "no pipelines found", and if I go to the XHR that failed (http://myjenkins/blue/rest/search/?q=type:pipeline), I see the following stack trace.

Any ideas?

thanks!

Marc

java.io.IOException: Failed to write commitId
 at org.kohsuke.stapler.export.Property.safeGetValue(Property.java:151)
 at org.kohsuke.stapler.export.Property.writeTo(Property.java:126)
 at org.kohsuke.stapler.export.Model.writeNestedObjectTo(Model.java:227)
 at org.kohsuke.stapler.export.Property.writeValue(Property.java:279)
 at org.kohsuke.stapler.export.Property.writeValue(Property.java:168)
 at org.kohsuke.stapler.export.Property.writeTo(Property.java:139)
 at org.kohsuke.stapler.export.Model.writeNestedObjectTo(Model.java:227)
 at org.kohsuke.stapler.export.Model.writeNestedObjectTo(Model.java:223)
 at org.kohsuke.stapler.export.Model.writeTo(Model.java:198)
 at org.kohsuke.stapler.ResponseImpl.writeOne(ResponseImpl.java:285)
 at org.kohsuke.stapler.ResponseImpl.serveExposedBean(ResponseImpl.java:273)
 at hudson.model.Api.doJson(Api.java:211)
 at io.jenkins.blueocean.rest.pageable.PagedResponse$Processor$1.generateResponse(PagedResponse.java:55)
 at org.kohsuke.stapler.HttpResponseRenderer$Default.handleHttpResponse(HttpResponseRenderer.java:124)
 at org.kohsuke.stapler.HttpResponseRenderer$Default.generateResponse(HttpResponseRenderer.java:69)
 at org.kohsuke.stapler.Function.renderResponse(Function.java:119)
 at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:102)
 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)
 at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
 at org.kohsuke.stapler.MetaClass$11.dispatch(MetaClass.java:380)
 at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
 at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
 at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:686)
 at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
 at org.kohsuke.stapler.MetaClass$11.dispatch(MetaClass.java:380)
 at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:746)
 at org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
 at org.kohsuke.stapler.Stapler.invoke(Stapler.java:649)
 at org.kohsuke.stapler.Stapler.service(Stapler.java:238)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
 at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
 at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)
 at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:135)
 at org.jenkinsci.plugins.ssegateway.Endpoint$SSEListenChannelFilter.doFilter(Endpoint.java:209)
 at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132)
 at com.smartcodeltd.jenkinsci.plugin.assetbundler.filters.LessCSS.doFilter(LessCSS.java:47)
 at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132)
 at hudson.plugins.audit_trail.AuditTrailFilter.doFilter(AuditTrailFilter.java:95)
 at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132)
 at jenkins.metrics.impl.MetricsFilter.doFilter(MetricsFilter.java:125)
 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:49)
 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$1.run(BoundedExecutorService.java:77)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
 at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.reflect.InvocationTargetException
 at sun.reflect.GeneratedMethodAccessor236.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
 at java.lang.reflect.Method.invoke(Method.java:606)
 at org.kohsuke.stapler.export.MethodProperty.getValue(MethodProperty.java:66)
 at org.kohsuke.stapler.export.Property.safeGetValue(Property.java:145)
 ... 89 more
Caused by: java.lang.NullPointerException
 at io.jenkins.blueocean.service.embedded.rest.AbstractRunImpl.getCommitId(AbstractRunImpl.java:176)
 ... 94 more

[Vivek Pandey]

Line number is different as this class has gone thru some changes recently but there is one place that could possibly cause NPE, I will get fix going for this. Please open an Issue under blueocean-plugin at issues.jenkins-ci.org.

Caused by: java.lang.NullPointerException
 at io.jenkins.blueocean.service.embedded.rest.AbstractRunImpl.getCommitId(AbstractRunImpl.java:176)
 ... 94 more

thanks for reporting.,

Vivek.

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[Marc Esher]

Will do, thanks Vivek.

FWIW, I was able to fix this myself and now understand what caused the issue. Huge props to all of you involved in making this thing "just work". It's still rare when I can get clone a GH repo, follow the README, and have everything work as advertised. Great job, everyone.

Marc 

[Vivek Pandey]

Hi Marc,

Thanks for encouragement:) 

Looks like you have the fix so do you mind sending a PR our way?

vivek.

[Marc Esher]

On Saturday, June 18, 2016 at 5:21:23 PM UTC-4, vivek wrote:

Hi Marc,

Thanks for encouragement:) 

Looks like you have the fix so do you mind sending a PR our way?

Will do. I pulled the latest bits from the last few days and found another NPE as well. It's a trivial fix -- though I confess I don't understand why the object in question is null. I'll submit that in the PR as well

[Vivek Pandey]

Excellent, thanks Marc!

To view this discussion on the web visit https://groups.google.com/d/msgid/jenkinsci-dev/10b635b7-ef58-46f6-aedd-9bf985e432a1%40googlegroups.com.

For more options, visit https://groups.google.com/d/optout.

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