[JIRA] [cloudbees-folder-plugin] (JENKINS-26934) Never ending threads

[vladimirpavlovic...@gmail.com (JIRA)]

Vladimir Pavlovic
 commented on  JENKINS-26934


Never ending threads 















same with for example when view needs to be populated with jobs and for example connection from user perspective is broken:

Handling GET /main/view/ : http-10080-101" daemon prio=10 tid=0x7feef40bb000 nid=0x4964 waiting for monitor entry 0x7fef8a8e4000
   5014java.lang.Thread.State: BLOCKED (on object monitor)
   5015 at hudson.model.View.getActions(View.java:525)
   5016 - waiting to lock 0x000742ce9af8 (a hudson.model.ListView)
   5017 at sun.reflect.GeneratedMethodAccessor6974.invoke(Unknown Source)
   5018 at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
   5019 at java.lang.reflect.Method.invoke(Method.java:601)

Those threads are blocked and only restart of JVM help is this known issue ?



























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[JIRA] [cloudbees-folder-plugin] (JENKINS-26934) Never ending threads

[vladimirpavlovic...@gmail.com (JIRA)]

Vladimir Pavlovic
 created  JENKINS-26934


Never ending threads 















Issue Type:


Bug



Assignee:


Jesse Glick



Components:


cloudbees-folder-plugin, ssh-slaves-plugin



Created:


12/Feb/15 4:45 PM



Description:


We are exploring issue with threads which eventually never ends, use case: when slave configuration has been Saved, tomcat loads for a long time. Is it issue with deadlock, here is the part of the dump which explains:

Handling POST /main_instance/computer/RH_6_mrclin131/configSubmit : http-10080-46" daemon prio=10 tid=0x7feef4073000 nid=0x7ca5 waiting for monitor entry 0x7fefa828a000
  13444java.lang.Thread.State: BLOCKED (on object monitor)
  13445 at jenkins.model.Jenkins.save(Jenkins.java:2671)
  13446 - waiting to lock 0x000701a3e208 (a hudson.model.Hudson)
  13447 at hudson.util.PersistedList.onModified(PersistedList.java:173)
at hudson.util.PersistedList.replaceBy(PersistedList.java:85)
  13449 at hudson.model.Slave.init(Slave.java:164)
  13450 at hudson.model.Slave.init(Slave.java:140)
  13451 at hudson.slaves.DumbSlave.init(DumbSlave.java:53)
  13452 at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
  13453 at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
  13454 at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
  13455 at java.lang.reflect.Constructor.newInstance(Constructor.java:525)
  13456 at org.kohsuke.stapler.RequestImpl.invokeConstructor(RequestImpl.java:447)
  13457 at org.kohsuke.stapler.RequestImpl.instantiate(RequestImpl.java:690)
  13458 at org.kohsuke.stapler.RequestImpl.access$100(RequestImpl.java:81)
  13459 at org.kohsuke.stapler.RequestImpl$TypePair.convertJSON(RequestImpl.java:587)
  13460 at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.java:400)
  13461 at org.kohsuke.stapler.RequestImpl.bindJSON(RequestImpl.jav




Environment:


Jenkins v1.554.2, RH6, 64 bit 64 cores, 64GB RAM




Project:


Jenkins



Priority:


Minor



Reporter:


Vladimir Pavlovic

























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