javax.servlet.ServletException: java.lang.NullPointerException

Jenkins JIRA | Dominik Bruhn | 4 years ago
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  1. 0

    For one of my project, the TestNG-Graph on the Project Overview does not show anymore. If I visit the URL (/job/[jobid]/testngreports/graph) directly, I receive the following stacktrace: {code} javax.servlet.ServletException: java.lang.NullPointerException at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:726) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:777) at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:381) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:684) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:777) at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:239) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:684) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:777) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:586) at org.kohsuke.stapler.Stapler.service(Stapler.java:217) at javax.servlet.http.HttpServlet.service(HttpServlet.java:45) at winstone.ServletConfiguration.execute(ServletConfiguration.java:248) at winstone.RequestDispatcher.forward(RequestDispatcher.java:333) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:376) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:96) at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:88) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84) at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76) at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:47) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at winstone.RequestDispatcher.forward(RequestDispatcher.java:331) at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:227) at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) 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:722) Caused by: java.lang.NullPointerException at hudson.plugins.testng.TestNGProjectAction.populateDataSetBuilder(TestNGProjectAction.java:220) at hudson.plugins.testng.TestNGProjectAction.doGraph(TestNGProjectAction.java:123) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) 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:297) at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:160) at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:95) at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:111) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:684) ... 42 more {code} I am not sure what the root of this problem is, perhaps it is related to the static analysis plugin as I installed it recently. Other plugins: {code} analysis-collector 1.36 true false analysis-core 1.50 true false ant 1.2 true false checkstyle 3.35 true false credentials 1.4 true false cvs 2.9 true true external-monitor-job 1.1 true false findbugs 4.49 true false git 1.4.0 true false git-client 1.0.7 true false gradle 1.23 true false javadoc 1.1 true false ldap 1.5 true true mailer 1.5 true false maven-plugin 1.522 true false pam-auth 1.1 true true ssh-credentials 0.4 true true ssh-slaves 0.27 true true subversion 1.50 true true testng-plugin 1.2 true false translation 1.10 true false warnings 4.27 true {code}

    Jenkins JIRA | 4 years ago | Dominik Bruhn
    javax.servlet.ServletException: java.lang.NullPointerException
  2. 0

    For one of my project, the TestNG-Graph on the Project Overview does not show anymore. If I visit the URL (/job/[jobid]/testngreports/graph) directly, I receive the following stacktrace: {code} javax.servlet.ServletException: java.lang.NullPointerException at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:726) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:777) at org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:381) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:684) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:777) at org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:239) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:684) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:777) at org.kohsuke.stapler.Stapler.invoke(Stapler.java:586) at org.kohsuke.stapler.Stapler.service(Stapler.java:217) at javax.servlet.http.HttpServlet.service(HttpServlet.java:45) at winstone.ServletConfiguration.execute(ServletConfiguration.java:248) at winstone.RequestDispatcher.forward(RequestDispatcher.java:333) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:376) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:96) at hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:88) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84) at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76) at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:47) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at winstone.RequestDispatcher.forward(RequestDispatcher.java:331) at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:227) at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334) at java.util.concurrent.FutureTask.run(FutureTask.java:166) 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:722) Caused by: java.lang.NullPointerException at hudson.plugins.testng.TestNGProjectAction.populateDataSetBuilder(TestNGProjectAction.java:220) at hudson.plugins.testng.TestNGProjectAction.doGraph(TestNGProjectAction.java:123) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) 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:297) at org.kohsuke.stapler.Function.bindAndInvoke(Function.java:160) at org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:95) at org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:111) at org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:684) ... 42 more {code} I am not sure what the root of this problem is, perhaps it is related to the static analysis plugin as I installed it recently. Other plugins: {code} analysis-collector 1.36 true false analysis-core 1.50 true false ant 1.2 true false checkstyle 3.35 true false credentials 1.4 true false cvs 2.9 true true external-monitor-job 1.1 true false findbugs 4.49 true false git 1.4.0 true false git-client 1.0.7 true false gradle 1.23 true false javadoc 1.1 true false ldap 1.5 true true mailer 1.5 true false maven-plugin 1.522 true false pam-auth 1.1 true true ssh-credentials 0.4 true true ssh-slaves 0.27 true true subversion 1.50 true true testng-plugin 1.2 true false translation 1.10 true false warnings 4.27 true {code}

    Jenkins JIRA | 4 years ago | Dominik Bruhn
    javax.servlet.ServletException: java.lang.NullPointerException
  3. 0

    Getting a nullpointer exception when switching displayables in J2ME

    Stack Overflow | 6 years ago | Pallinder
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callScreenListener(), bci=46 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=74 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handleKeyEvent(), bci=17 at com.sun.midp.lcdui.DisplayEventListener.process(), bci=277 at com.sun.midp.events.EventQueue.run(), bci=179
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  5. 0

    J2ME (Java) - Null Pointer Exception caught in Display Class

    Stack Overflow | 6 years ago | Tom
    java.lang.NullPointerException: 0 at javax.microedition.lcdui.Display$ChameleonTunnel.callScreenListener(), bci=46 at com.sun.midp.chameleon.layers.SoftButtonLayer.processCommand(), bci=74 at com.sun.midp.chameleon.layers.SoftButtonLayer.soft1(), bci=37 at com.sun.midp.chameleon.layers.SoftButtonLayer.keyInput(), bci=36 at com.sun.midp.chameleon.CWindow.keyInput(), bci=38 at javax.microedition.lcdui.Display$DisplayEventConsumerImpl.handleKeyEvent(), bci=17 at com.sun.midp.lcdui.DisplayEventListener.process(), bci=277 at com.sun.midp.events.EventQueue.run(), bci=179
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    Cloud Foundry v2 in Grails

    Stack Overflow | 3 years ago | angelo087
    java.lang.NullPointerException: Cannot invoke method getAt() on null object

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at hudson.plugins.testng.TestNGProjectAction.populateDataSetBuilder()
    2. hudson.plugins.testng
      TestNGProjectAction.doGraph
      1. hudson.plugins.testng.TestNGProjectAction.populateDataSetBuilder(TestNGProjectAction.java:220)
      2. hudson.plugins.testng.TestNGProjectAction.doGraph(TestNGProjectAction.java:123)
      2 frames
    3. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:601)
      4 frames
    4. Stapler
      Stapler.service
      1. org.kohsuke.stapler.Function$InstanceFunction.invoke(Function.java:297)
      2. org.kohsuke.stapler.Function.bindAndInvoke(Function.java:160)
      3. org.kohsuke.stapler.Function.bindAndInvokeAndServeResponse(Function.java:95)
      4. org.kohsuke.stapler.MetaClass$1.doDispatch(MetaClass.java:111)
      5. org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
      6. org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:684)
      7. org.kohsuke.stapler.Stapler.invoke(Stapler.java:777)
      8. org.kohsuke.stapler.MetaClass$12.dispatch(MetaClass.java:381)
      9. org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:684)
      10. org.kohsuke.stapler.Stapler.invoke(Stapler.java:777)
      11. org.kohsuke.stapler.MetaClass$6.doDispatch(MetaClass.java:239)
      12. org.kohsuke.stapler.NameBasedDispatcher.dispatch(NameBasedDispatcher.java:53)
      13. org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:684)
      14. org.kohsuke.stapler.Stapler.invoke(Stapler.java:777)
      15. org.kohsuke.stapler.Stapler.invoke(Stapler.java:586)
      16. org.kohsuke.stapler.Stapler.service(Stapler.java:217)
      16 frames
    5. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:45)
      1 frame
    6. winstone
      RequestDispatcher.doFilter
      1. winstone.ServletConfiguration.execute(ServletConfiguration.java:248)
      2. winstone.RequestDispatcher.forward(RequestDispatcher.java:333)
      3. winstone.RequestDispatcher.doFilter(RequestDispatcher.java:376)
      3 frames
    7. Hudson
      PluginServletFilter.doFilter
      1. hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:96)
      2. hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:88)
      2 frames
    8. winstone
      RequestDispatcher.doFilter
      1. winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
      2. winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
      2 frames
    9. Hudson
      CrumbFilter.doFilter
      1. hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48)
      1 frame
    10. winstone
      RequestDispatcher.doFilter
      1. winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
      2. winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
      2 frames
    11. Hudson
      HudsonFilter.doFilter
      1. hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
      2. hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
      3. hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
      3 frames
    12. winstone
      RequestDispatcher.doFilter
      1. winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
      2. winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
      2 frames
    13. Stapler
      CompressionFilter.doFilter
      1. org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:47)
      1 frame
    14. winstone
      RequestDispatcher.doFilter
      1. winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
      2. winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
      2 frames
    15. Hudson
      CharacterEncodingFilter.doFilter
      1. hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
      1 frame
    16. winstone
      RequestHandlerThread.run
      1. winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
      2. winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
      3. winstone.RequestDispatcher.forward(RequestDispatcher.java:331)
      4. winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:227)
      5. winstone.RequestHandlerThread.run(RequestHandlerThread.java:150)
      5 frames
    17. Java RT
      FutureTask.run
      1. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
      2. java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
      3. java.util.concurrent.FutureTask.run(FutureTask.java:166)
      3 frames
    18. winstone
      BoundedExecutorService$1.run
      1. winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
      1 frame
    19. Java RT
      Thread.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
      3. java.lang.Thread.run(Thread.java:722)
      3 frames