javax.servlet.ServletException: java.lang.UnsupportedOperationException

Jenkins JIRA | Julian Payne | 3 years ago
  1. 0

    Whenever I try to change any SCM Timer entries I get a crash like this: Stack trace javax.servlet.ServletException: java.lang.UnsupportedOperationException 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$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.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.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) at jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:118) 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 org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:174) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) at jenkins.security.ApiTokenFilter.doFilter(ApiTokenFilter.java:64) 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$1.doFilter(ChainedServletFilter.java:87) at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76) at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:47) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at winstone.RequestDispatcher.forward(RequestDispatcher.java:331) at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:227) at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:450) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:314) at java.util.concurrent.FutureTask.run(FutureTask.java:149) at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:908) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:931) at java.lang.Thread.run(Thread.java:738) Caused by: java.lang.UnsupportedOperationException at java.util.AbstractList.remove(AbstractList.java:662) at hudson.model.AbstractProject.removeFromList(AbstractProject.java:1653) at hudson.model.AbstractProject.removeTrigger(AbstractProject.java:1629) at configurationslicing.timer.AbstractTimerSliceSpec.setValues(AbstractTimerSliceSpec.java:82) at configurationslicing.timer.AbstractTimerSliceSpec.setValues(AbstractTimerSliceSpec.java:15) at configurationslicing.UnorderedStringSlicer.transform(UnorderedStringSlicer.java:91) at configurationslicing.UnorderedStringSlicer.transform(UnorderedStringSlicer.java:6) at configurationslicing.ConfigurationSlicing$SliceExecutor.transform(ConfigurationSlicing.java:135) at configurationslicing.ConfigurationSlicing$SliceExecutor.doSliceconfigSubmit(ConfigurationSlicing.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37) at java.lang.reflect.Method.invoke(Method.java:611) at org.kohsuke.stapler.Function$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) ... 58 more

    Jenkins JIRA | 3 years ago | Julian Payne
    javax.servlet.ServletException: java.lang.UnsupportedOperationException
  2. 0

    Whenever I try to change any SCM Timer entries I get a crash like this: Stack trace javax.servlet.ServletException: java.lang.UnsupportedOperationException 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$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.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.UnwrapSecurityExceptionFilter.doFilter(UnwrapSecurityExceptionFilter.java:51) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) at jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:118) 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 org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:174) at hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87) at jenkins.security.ApiTokenFilter.doFilter(ApiTokenFilter.java:64) 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$1.doFilter(ChainedServletFilter.java:87) at hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76) at hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:47) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81) at winstone.FilterConfiguration.execute(FilterConfiguration.java:194) at winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366) at winstone.RequestDispatcher.forward(RequestDispatcher.java:331) at winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:227) at winstone.RequestHandlerThread.run(RequestHandlerThread.java:150) at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:450) at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:314) at java.util.concurrent.FutureTask.run(FutureTask.java:149) at winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:908) at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:931) at java.lang.Thread.run(Thread.java:738) Caused by: java.lang.UnsupportedOperationException at java.util.AbstractList.remove(AbstractList.java:662) at hudson.model.AbstractProject.removeFromList(AbstractProject.java:1653) at hudson.model.AbstractProject.removeTrigger(AbstractProject.java:1629) at configurationslicing.timer.AbstractTimerSliceSpec.setValues(AbstractTimerSliceSpec.java:82) at configurationslicing.timer.AbstractTimerSliceSpec.setValues(AbstractTimerSliceSpec.java:15) at configurationslicing.UnorderedStringSlicer.transform(UnorderedStringSlicer.java:91) at configurationslicing.UnorderedStringSlicer.transform(UnorderedStringSlicer.java:6) at configurationslicing.ConfigurationSlicing$SliceExecutor.transform(ConfigurationSlicing.java:135) at configurationslicing.ConfigurationSlicing$SliceExecutor.doSliceconfigSubmit(ConfigurationSlicing.java:179) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37) at java.lang.reflect.Method.invoke(Method.java:611) at org.kohsuke.stapler.Function$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) ... 58 more

    Jenkins JIRA | 3 years ago | Julian Payne
    javax.servlet.ServletException: java.lang.UnsupportedOperationException
  3. 0

    Configuration Slicing Plugin - Jenkins - Jenkins Wiki

    jenkins-ci.org | 1 week ago
    javax.servlet.ServletException: java.lang.UnsupportedOperationException
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Root Cause Analysis

  1. java.lang.UnsupportedOperationException

    No message provided

    at java.util.AbstractList.remove()
  2. Java RT
    AbstractList.remove
    1. java.util.AbstractList.remove(AbstractList.java:662)
    1 frame
  3. Hudson
    AbstractProject.removeTrigger
    1. hudson.model.AbstractProject.removeFromList(AbstractProject.java:1653)
    2. hudson.model.AbstractProject.removeTrigger(AbstractProject.java:1629)
    2 frames
  4. configurationslicing.timer
    AbstractTimerSliceSpec.setValues
    1. configurationslicing.timer.AbstractTimerSliceSpec.setValues(AbstractTimerSliceSpec.java:82)
    2. configurationslicing.timer.AbstractTimerSliceSpec.setValues(AbstractTimerSliceSpec.java:15)
    2 frames
  5. configurationslicing
    ConfigurationSlicing$SliceExecutor.doSliceconfigSubmit
    1. configurationslicing.UnorderedStringSlicer.transform(UnorderedStringSlicer.java:91)
    2. configurationslicing.UnorderedStringSlicer.transform(UnorderedStringSlicer.java:6)
    3. configurationslicing.ConfigurationSlicing$SliceExecutor.transform(ConfigurationSlicing.java:135)
    4. configurationslicing.ConfigurationSlicing$SliceExecutor.doSliceconfigSubmit(ConfigurationSlicing.java:179)
    4 frames
  6. Java RT
    Method.invoke
    1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:60)
    3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:37)
    4. java.lang.reflect.Method.invoke(Method.java:611)
    4 frames
  7. Stapler
    Stapler.service
    1. org.kohsuke.stapler.Function$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$12.dispatch(MetaClass.java:381)
    12. org.kohsuke.stapler.Stapler.tryInvoke(Stapler.java:684)
    13. org.kohsuke.stapler.Stapler.invoke(Stapler.java:777)
    14. org.kohsuke.stapler.Stapler.invoke(Stapler.java:586)
    15. org.kohsuke.stapler.Stapler.service(Stapler.java:217)
    15 frames
  8. JavaServlet
    HttpServlet.service
    1. javax.servlet.http.HttpServlet.service(HttpServlet.java:45)
    1 frame
  9. 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
  10. Hudson
    PluginServletFilter.doFilter
    1. hudson.util.PluginServletFilter$1.doFilter(PluginServletFilter.java:96)
    2. hudson.util.PluginServletFilter.doFilter(PluginServletFilter.java:88)
    2 frames
  11. winstone
    RequestDispatcher.doFilter
    1. winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
    2. winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
    2 frames
  12. Hudson
    CrumbFilter.doFilter
    1. hudson.security.csrf.CrumbFilter.doFilter(CrumbFilter.java:48)
    1 frame
  13. winstone
    RequestDispatcher.doFilter
    1. winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
    2. winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
    2 frames
  14. 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
  15. jenkins.security
    ExceptionTranslationFilter.doFilter
    1. jenkins.security.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:118)
    1 frame
  16. Hudson
    ChainedServletFilter$1.doFilter
    1. hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
    1 frame
  17. Acegi Security Core
    AnonymousProcessingFilter.doFilter
    1. org.acegisecurity.providers.anonymous.AnonymousProcessingFilter.doFilter(AnonymousProcessingFilter.java:125)
    1 frame
  18. Hudson
    ChainedServletFilter$1.doFilter
    1. hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
    1 frame
  19. Acegi Security Core
    RememberMeProcessingFilter.doFilter
    1. org.acegisecurity.ui.rememberme.RememberMeProcessingFilter.doFilter(RememberMeProcessingFilter.java:142)
    1 frame
  20. Hudson
    ChainedServletFilter$1.doFilter
    1. hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
    1 frame
  21. Acegi Security Core
    AbstractProcessingFilter.doFilter
    1. org.acegisecurity.ui.AbstractProcessingFilter.doFilter(AbstractProcessingFilter.java:271)
    1 frame
  22. Hudson
    ChainedServletFilter$1.doFilter
    1. hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
    1 frame
  23. Acegi Security Core
    BasicProcessingFilter.doFilter
    1. org.acegisecurity.ui.basicauth.BasicProcessingFilter.doFilter(BasicProcessingFilter.java:174)
    1 frame
  24. Hudson
    ChainedServletFilter$1.doFilter
    1. hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
    1 frame
  25. jenkins.security
    ApiTokenFilter.doFilter
    1. jenkins.security.ApiTokenFilter.doFilter(ApiTokenFilter.java:64)
    1 frame
  26. Hudson
    ChainedServletFilter$1.doFilter
    1. hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
    1 frame
  27. Acegi Security Core
    HttpSessionContextIntegrationFilter.doFilter
    1. org.acegisecurity.context.HttpSessionContextIntegrationFilter.doFilter(HttpSessionContextIntegrationFilter.java:249)
    1 frame
  28. Hudson
    HudsonFilter.doFilter
    1. hudson.security.HttpSessionContextIntegrationFilter2.doFilter(HttpSessionContextIntegrationFilter2.java:67)
    2. hudson.security.ChainedServletFilter$1.doFilter(ChainedServletFilter.java:87)
    3. hudson.security.ChainedServletFilter.doFilter(ChainedServletFilter.java:76)
    4. hudson.security.HudsonFilter.doFilter(HudsonFilter.java:164)
    4 frames
  29. winstone
    RequestDispatcher.doFilter
    1. winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
    2. winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
    2 frames
  30. Stapler
    CompressionFilter.doFilter
    1. org.kohsuke.stapler.compression.CompressionFilter.doFilter(CompressionFilter.java:47)
    1 frame
  31. winstone
    RequestDispatcher.doFilter
    1. winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
    2. winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
    2 frames
  32. Hudson
    CharacterEncodingFilter.doFilter
    1. hudson.util.CharacterEncodingFilter.doFilter(CharacterEncodingFilter.java:81)
    1 frame
  33. winstone
    RequestHandlerThread.run
    1. winstone.FilterConfiguration.execute(FilterConfiguration.java:194)
    2. winstone.RequestDispatcher.doFilter(RequestDispatcher.java:366)
    3. winstone.RequestDispatcher.forward(RequestDispatcher.java:331)
    4. winstone.RequestHandlerThread.processRequest(RequestHandlerThread.java:227)
    5. winstone.RequestHandlerThread.run(RequestHandlerThread.java:150)
    5 frames
  34. Java RT
    FutureTask.run
    1. java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:450)
    2. java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:314)
    3. java.util.concurrent.FutureTask.run(FutureTask.java:149)
    3 frames
  35. winstone
    BoundedExecutorService$1.run
    1. winstone.BoundedExecutorService$1.run(BoundedExecutorService.java:77)
    1 frame
  36. Java RT
    Thread.run
    1. java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:908)
    2. java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:931)
    3. java.lang.Thread.run(Thread.java:738)
    3 frames