[JIRA] (JENKINS-43218) Discard Unreadable Data leads to NPE in TreeMap.putAll

[jenk...@fxnn.de (JIRA)]

Title: Message Title

Felix Neumann created an issue   Jenkins / JENKINS-43218 Discard Unreadable Data leads to NPE in TreeMap.putAll Issue Type: Bug Assignee: Unassigned Components: core Created: 2017/Mar/30 9:24 AM Environment: Jenkins 2.32.3, Tomcat 8, Oracle jdk1.8.0_74, Windows Server 2008 R2 Priority: Minor Reporter: Felix Neumann On our instance, Jenkins reports unreadable data of types hudson.maven.MavenModuleSet, hudson.model.Fingerprint, hudson.model.FreeStyleProject, hudson.maven.MavenModuleSetBuild and org.jenkinsci.plugins.DependencyCheck.DependencyCheckBuilder$DescriptorImpl. When clicking on the discard button, Jenkins displays the following stacktrace. 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:236) 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:729) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:291) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 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.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:49) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) 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.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:82) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30) at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:239) at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:219) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106) at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:614) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:142) at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79) at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:617) at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:518) at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1091) at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:668) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1527) at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1484) at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61) at java.lang.Thread.run(Thread.java:745) Caused by: java.lang.NullPointerException at java.util.TreeMap.putAll(TreeMap.java:313) at java.util.TreeMap.<init>(TreeMap.java:185) at hudson.model.Fingerprint.toString(Fingerprint.java:1412) at java.lang.String.valueOf(String.java:2994) at java.lang.StringBuilder.append(StringBuilder.java:131) at hudson.diagnosis.OldDataMonitor.saveAndRemoveEntries(OldDataMonitor.java:365) at hudson.diagnosis.OldDataMonitor.doDiscard(OldDataMonitor.java:335) 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$InstanceFunction.invoke(Function.java:335) at org.kohsuke.stapler.interceptor.RequirePOST$Processor.invoke(RequirePOST.java:52) at org.kohsuke.stapler.PreInvokeInterceptedFunction.invoke(PreInvokeInterceptedFunction.java:26) at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:175) at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:108) 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) ... 67 more As the Stacktrace mentions the Fingerprint.toString method (see source code for that release), here is one of the errors reported for the hudson.model.Fingerprint types: ConversionException: : unexpected character in markup (position: END_TAG seen ...7562</ranges>\r\n < ... @738:7) : : unexpected character in markup (position: END_TAG seen ...7562</ranges>\r\n < ... @738:7) ---- Debugging information ---- message : : unexpected character in markup (position: END_TAG seen ...7562</ranges>\r\n < ... @738:7) cause-exception : com.thoughtworks.xstream.io.StreamException cause-message : : unexpected character in markup (position: END_TAG seen ...7562</ranges>\r\n < ... @738:7) class : java.util.Hashtable required-type : java.util.Hashtable converter-type : hudson.util.RobustMapConverter path : /fingerprint/usages/entry[183] line number : 738 -------------------------------, MissingFieldException: No field 'entry' found in class 'hudson.model.Fingerprint', MissingFieldException: No field 'entry' found in class 'hudson.model.Fingerprint', MissingFieldException: No field 'entry' found in class 'hudson.model.Fingerprint', MissingFieldException: No field 'entry' found in class 'hudson.model.Fingerprint', MissingFieldException: No field 'entry' found in class 'hudson.model.Fingerprint', MissingFieldException: No field 'entry' found in class 'hudson.model.Fingerprint', MissingFieldException: No field 'entry' found in class 'hudson.model.Fingerprint', MissingFieldException: No field 'entry' found in class 'hudson.model.Fingerprint', MissingFieldException: No field 'entry' found in class 'hudson.model.Fingerprint', MissingFieldException: No field 'entry' found in class 'hudson.model.Fingerprint', MissingFieldException: No field 'entry' found in class 'hudson.model.Fingerprint', MissingFieldException: No field 'entry' found in class 'hudson.model.Fingerprint', MissingFieldException: No field 'entry' found in class 'hudson.model.Fingerprint', MissingFieldException: No field 'entry' found in class 'hudson.model.Fingerprint', MissingFieldException: No field 'entry' found in class 'hudson.model.Fingerprint', MissingFieldException: No field 'entry' found in class 'hudson.model.Fingerprint', MissingFieldException: No field 'entry' found in class 'hudson.model.Fingerprint', MissingFieldException: No field 'entry' found in class 'hudson.model.Fingerprint' Please note, that this error does not seem to be related to JENKINS-18809 or JENKINS-17125. The former yields a NPE in hudson.model.AbstractItem.getRootDir, the latter in hudson.model.AbstractBuild.getPreviousBuild. The NPE in this bug ticket occurs in java.util.TreeMap.putAll. Add Comment   This message was sent by Atlassian JIRA (v7.3.0#73011-sha1:3c73d0e) -- You received this message because you are subscribed to the Google Groups "Jenkins Issues" group. To unsubscribe from this group and stop receiving emails from it, send an email to jenkinsci-issues+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.