Cannot parse coverage results Premature end of file.
----------------------------------------------------
Key: JENKINS-11251
URL:
https://issues.jenkins-ci.org/browse/JENKINS-11251 Project: Jenkins
Issue Type: Bug
Components: core
Environment: Linux (RHEL 5.6), Jenkins 1.427
Reporter: Frederic Marius
Our build server contains lots of modules, and is frequently under high load (we're adding slaves to distribute the load over different servers).
The problem is that sometimes, under high load the builds fail when trying to parse the cobertura files.
These are the details of the error:
{quote}
[DEBUG] --------------------
[INFO] Cobertura Report generation was successful.
[TASKS] Skipping maven reporter: there is already a result available.
[JENKINS] Recording coverage results
[INFO] ------------------------------------------------------------------------
[ERROR] BUILD ERROR
[INFO] ------------------------------------------------------------------------
[INFO] Internal error in the plugin manager executing goal 'org.codehaus.mojo:cobertura-maven-plugin:2.4:cobertura': Cannot parse coverage results
Premature end of file.
[INFO] ------------------------------------------------------------------------
[DEBUG] Trace
org.apache.maven.lifecycle.LifecycleExecutionException: Internal error in the plugin manager executing goal 'org.codehaus.mojo:cobertura-maven-plugin:2.4:cobertura': Cannot parse coverage results
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:698)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeStandaloneGoal(DefaultLifecycleExecutor.java:569)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoal(DefaultLifecycleExecutor.java:539)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoalAndHandleFailures(DefaultLifecycleExecutor.java:387)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeTaskSegments(DefaultLifecycleExecutor.java:348)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.execute(DefaultLifecycleExecutor.java:180)
at org.apache.maven.lifecycle.LifecycleExecutorInterceptor.execute(LifecycleExecutorInterceptor.java:65)
at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:328)
at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:138)
at org.apache.maven.cli.MavenCli.main(MavenCli.java:362)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.codehaus.classworlds.Launcher.launchEnhanced(Launcher.java:315)
at org.codehaus.classworlds.Launcher.launch(Launcher.java:255)
at hudson.maven.agent.Main.launch(Main.java:185)
at hudson.maven.MavenBuilder.call(MavenBuilder.java:160)
at hudson.maven.MavenModuleSetBuild$Builder.call(MavenModuleSetBuild.java:1064)
at hudson.maven.MavenModuleSetBuild$Builder.call(MavenModuleSetBuild.java:995)
at hudson.remoting.UserRequest.perform(UserRequest.java:118)
at hudson.remoting.UserRequest.perform(UserRequest.java:48)
at hudson.remoting.Request$2.run(Request.java:287)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:441)
at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:303)
at java.util.concurrent.FutureTask.run(FutureTask.java:138)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:885)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:907)
at java.lang.Thread.run(Thread.java:619)
Caused by: org.apache.maven.plugin.PluginManagerException: Cannot parse coverage results
at hudson.maven.agent.PluginManagerInterceptor.executeMojo(PluginManagerInterceptor.java:196)
at org.apache.maven.lifecycle.DefaultLifecycleExecutor.executeGoals(DefaultLifecycleExecutor.java:694)
... 28 more
Caused by: hudson.util.IOException2: Cannot parse coverage results
at hudson.plugins.cobertura.CoberturaCoverageParser.parse(CoberturaCoverageParser.java:89)
at hudson.plugins.cobertura.CoberturaCoverageParser.parse(CoberturaCoverageParser.java:52)
at hudson.plugins.cobertura.MavenCoberturaPublisher$MavenCoberturaActionAdder.call(MavenCoberturaPublisher.java:281)
at hudson.plugins.cobertura.MavenCoberturaPublisher$MavenCoberturaActionAdder.call(MavenCoberturaPublisher.java:267)
at hudson.maven.MavenBuild$ProxyImpl.execute(MavenBuild.java:415)
at hudson.maven.MavenBuild$ProxyImpl2.execute(MavenBuild.java:488)
at sun.reflect.GeneratedMethodAccessor511.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at hudson.model.Executor$1.call(Executor.java:514)
at hudson.util.InterceptingProxy$1.invoke(InterceptingProxy.java:23)
at $Proxy65.execute(Unknown Source)
at sun.reflect.GeneratedMethodAccessor876.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at hudson.remoting.RemoteInvocationHandler$RPCRequest.perform(RemoteInvocationHandler.java:274)
at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:255)
at hudson.remoting.RemoteInvocationHandler$RPCRequest.call(RemoteInvocationHandler.java:215)
... 9 more
Caused by: org.xml.sax.SAXParseException: Premature end of file.
at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown Source)
at org.apache.xerces.util.ErrorHandlerWrapper.fatalError(Unknown Source)
at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
at org.apache.xerces.impl.XMLVersionDetector.determineDocVersion(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
at javax.xml.parsers.SAXParser.parse(SAXParser.java:395)
at javax.xml.parsers.SAXParser.parse(SAXParser.java:198)
at hudson.plugins.cobertura.CoberturaCoverageParser.parse(CoberturaCoverageParser.java:81)
... 26 more
{quote}
Any help would be appreciated.
Let me know if you need more information, I'll be glad to give it !
Thanks a lot,
Frederic
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Notice that in the original reported case, the stack trace includes "determineDocVersion", so this indicates that the pipe was lost very early in the connection. Possibly even before a single byte was read. That sounds like
JENKINS-8703, which was released in remoting 1.420. So if anyone is running older version of master/slave.jar, the first thing to do is to upgrade. But the comment from Philippe indicates that it's still happening in a newer version of Jenkins, so there must be still something going on.JENKINS-7871has different stack trace, and that is happening toward the end of the file.