[jira] [Created] (SLING-11824) Deadlock during repository restart

["Julian Sedding (Jira)" <ji...@apache.org>]

Julian Sedding created SLING-11824:
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             Summary: Deadlock during repository restart
                 Key: SLING-11824
                 URL: https://issues.apache.org/jira/browse/SLING-11824
             Project: Sling
          Issue Type: Bug
          Components: Engine, ResourceResolver
    Affects Versions: Engine 2.14.0, Resource Resolver 1.10.0
            Reporter: Julian Sedding
            Assignee: Carsten Ziegeler


A deadlock can occur when the repository is restarted in a running system. This may be due to a configuration change of a low level component, but has also been reported to occur after stopping and restarting the commons-io bundle.

From the thread dump
{noformat}
"VM Thread" os_prio=0 cpu=106005.20ms elapsed=72363.91s tid=0x000056165220f800 nid=0x19ef runnable  
"ParGC Thread#0" os_prio=0 cpu=11616.68ms elapsed=72363.93s tid=0x00005616520cb800 nid=0x19ee runnable  
"ParGC Thread#1" os_prio=0 cpu=11624.23ms elapsed=72362.83s tid=0x00005616534fd800 nid=0x19f8 runnable  
"ParGC Thread#2" os_prio=0 cpu=11621.66ms elapsed=72362.83s tid=0x0000561653518000 nid=0x19f9 runnable  
"VM Periodic Task Thread" os_prio=0 cpu=32588.40ms elapsed=72360.26s tid=0x0000561655593800 nid=0x1a13 waiting on condition  
JNI global refs: 98, weak refs: 3
Found one Java-level deadlock:
=============================
"CM Event Dispatcher (Fire ConfigurationEvent: pid=org.apache.sling.jcr.resource.internal.JcrResourceResolverFactoryImpl)":
  waiting to lock monitor 0x000056166302ce80 (object 0x00000007679e6638, a org.apache.sling.engine.impl.helper.SlingServletContext),
  which is held by "SlingServletContext registration"
"SlingServletContext registration":
  waiting to lock monitor 0x00005616631e3480 (object 0x000000074f987900, a java.util.HashMap),
  which is held by "CM Event Dispatcher (Fire ConfigurationEvent: pid=org.apache.sling.jcr.resource.internal.JcrResourceResolverFactoryImpl) {noformat}



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