java.lang.NullPointerException

Google Groups | martin...@softwire.com (JIRA) | 7 months ago
tip
Your exception is missing from the Samebug knowledge base.
Here are the best solutions we found on the Internet.
Click on the to mark the helpful solution and get rewards for you help.
  1. 0

    [JIRA] (JENKINS-37090) Unable to access jenkins project due to null pointer exception

    Google Groups | 7 months ago | martin...@softwire.com (JIRA)
    java.lang.NullPointerException
  2. 0

    When I access the jenkins main page for my project (which was functional as of Friday) I hit a null pointer exception that looks something like this: java.lang.NullPointerException at jenkins.plugins.slack.webhook.WebhookEndpoint.getUrlName(WebhookEndpoint.java:51) at jenkins.model.Jenkins.getUnprotectedRootActions(Jenkins.java:4342) at jenkins.model.Jenkins.getTarget(Jenkins.java:4311) at org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:674) 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 com.smartcodeltd.jenkinsci.plugin.assetbundler.filters.LessCSS.doFilter(LessCSS.java:46) at hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132) at hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:58) 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:86) 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: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 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) This is also thrown when i try to access any of the jobs within my project (based on my usage of cached urls). This may be related to JENKINS-36350 and JENKINS-33860

    Jenkins JIRA | 7 months ago | Martin Thorn
    java.lang.NullPointerException
  3. Speed up your debug routine!

    Automated exception search integrated into your IDE

    1 unregistered visitors
    Not finding the right solution?
    Take a tour to get the most out of Samebug.

    Tired of useless tips?

    Automated exception search integrated into your IDE

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at jenkins.plugins.slack.webhook.WebhookEndpoint.getUrlName()
    2. jenkins.plugins.slack
      WebhookEndpoint.getUrlName
      1. jenkins.plugins.slack.webhook.WebhookEndpoint.getUrlName(WebhookEndpoint.java:51)
      1 frame
    3. jenkins.model
      Jenkins.getTarget
      1. jenkins.model.Jenkins.getUnprotectedRootActions(Jenkins.java:4342)
      2. jenkins.model.Jenkins.getTarget(Jenkins.java:4311)
      2 frames
    4. Stapler
      Stapler.service
      1. org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:674)
      2. org.kohsuke.stapler.Stapler.invoke(Stapler.java:876)
      3. org.kohsuke.stapler.Stapler.invoke(Stapler.java:649)
      4. org.kohsuke.stapler.Stapler.service(Stapler.java:238)
      4 frames
    5. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
      1 frame
    6. Jetty
      ServletHandler$CachedChain.doFilter
      1. org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:812)
      2. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1669)
      2 frames
    7. Hudson
      PluginServletFilter$1.doFilter
      1. hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:135)
      1 frame
    8. com.smartcodeltd.jenkinsci
      LessCSS.doFilter
      1. com.smartcodeltd.jenkinsci.plugin.assetbundler.filters.LessCSS.doFilter(LessCSS.java:46)
      1 frame
    9. Hudson
      PluginServletFilter$1.doFilter
      1. hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132)
      1 frame
    10. hudson.plugins.greenballs
      GreenBallFilter.doFilter
      1. hudson.plugins.greenballs.GreenBallFilter.doFilter(GreenBallFilter.java:58)
      1 frame
    11. Hudson
      PluginServletFilter.doFilter
      1. hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:132)
      2. hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:126)
      2 frames
    12. Jetty
      ServletHandler$CachedChain.doFilter
      1. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
      1 frame
    13. Hudson
      CrumbFilter.doFilter
      1. hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:86)
      1 frame
    14. Jetty
      ServletHandler$CachedChain.doFilter
      1. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
      1 frame
    15. Hudson
      ChainedServletFilter$1.doFilter
      1. hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:84)
      2. hudson.security.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51)
      3. hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
      3 frames
    16. jenkins.security
      ExceptionTranslationFilter.doFilter
      1. jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:117)
      1 frame
    17. Hudson
      ChainedServletFilter$1.doFilter
      1. hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
      1 frame
    18. Acegi Security Core
      AnonymousProcessingFilter.doFilter
      1. org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
      1 frame
    19. Hudson
      ChainedServletFilter$1.doFilter
      1. hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
      1 frame
    20. Acegi Security Core
      RememberMeProcessingFilter.doFilter
      1. org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:135)
      1 frame
    21. Hudson
      ChainedServletFilter$1.doFilter
      1. hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
      1 frame
    22. Acegi Security Core
      AbstractProcessingFilter.doFilter
      1. org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
      1 frame
    23. Hudson
      ChainedServletFilter$1.doFilter
      1. hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
      1 frame
    24. jenkins.security
      BasicHeaderProcessor.doFilter
      1. jenkins.security.BasicHeaderProcessor.doFilter(BasicHeaderProcessor.java:93)
      1 frame
    25. Hudson
      ChainedServletFilter$1.doFilter
      1. hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
      1 frame
    26. Acegi Security Core
      HttpSessionContextIntegrationFilter.doFilter
      1. org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
      1 frame
    27. Hudson
      HudsonFilter.doFilter
      1. hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:67)
      2. hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
      3. hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
      4. hudson.security.HudsonFilter.doFilter(HudsonFilter.java:171)
      4 frames
    28. Jetty
      ServletHandler$CachedChain.doFilter
      1. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
      1 frame
    29. Stapler
      CompressionFilter.doFilter
      1. org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:49)
      1 frame
    30. Jetty
      ServletHandler$CachedChain.doFilter
      1. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
      1 frame
    31. Hudson
      CharacterEncodingFilter.doFilter
      1. hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:82)
      1 frame
    32. Jetty
      ServletHandler$CachedChain.doFilter
      1. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
      1 frame
    33. Stapler
      DiagnosticThreadNameFilter.doFilter
      1. org.kohsuke.stapler.DiagnosticThreadNameFilter.doFilter(DiagnosticThreadNameFilter.java:30)
      1 frame
    34. Jetty
      AbstractConnection$2.run
      1. org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1652)
      2. org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
      3. org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
      4. org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:553)
      5. org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
      6. org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1127)
      7. org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
      8. org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
      9. org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1061)
      10. org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
      11. org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
      12. org.eclipse.jetty.server.Server.handle(Server.java:499)
      13. org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
      14. org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:257)
      15. org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:544)
      15 frames
    35. winstone
      BoundedExecutorService$1.run
      1. winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
      1 frame
    36. Java RT
      ThreadPoolExecutor$Worker.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
      2 frames