email-ext hangs for long time

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      Problem:
      Sending email hangs for a long time.
      Project:
      maven3, svn.
      After many time of debugging found that job spends many time during getting info about commiters (svn plugin parses some xml info).
      Stacktrace's dynamic:

      First ThreadDump
          Thread Dump
    ConnectorThread:[http-8888]
     
    "ConnectorThread:[http-8888]" Id=13 Group=main RUNNABLE (in native)
            at java.net.PlainSocketImpl.socketAccept(Native Method)
            at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:408)
            -  locked java.net.SocksSocketImpl@52bad42c
            at java.net.ServerSocket.implAccept(ServerSocket.java:462)
            at java.net.ServerSocket.accept(ServerSocket.java:430)
            at winstone.HttpListener.run(HttpListener.java:136)
            at java.lang.Thread.run(Thread.java:662)
         
    SocketListener(fe80:0:0:0:1031:3dff:fe29:8a45%2.local.)
     
    "SocketListener(fe80:0:0:0:1031:3dff:fe29:8a45%2.local.)" Id=43 Group=main RUNNABLE (in native)
            at java.net.PlainDatagramSocketImpl.receive0(Native Method)
            -  locked java.net.PlainDatagramSocketImpl@67a86d74
            at java.net.PlainDatagramSocketImpl.receive(PlainDatagramSocketImpl.java:145)
            -  locked java.net.PlainDatagramSocketImpl@67a86d74
            at java.net.DatagramSocket.receive(DatagramSocket.java:725)
            -  locked java.net.DatagramPacket@af5dd35
            -  locked java.net.MulticastSocket@138dc832
            at javax.jmdns.impl.SocketListener.run(SocketListener.java:41)
     
     
    TCP slave agent listener port=0
     
    "TCP slave agent listener port=0" Id=41 Group=main RUNNABLE (in native)
            at java.net.PlainSocketImpl.socketAccept(Native Method)
            at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:408)
            -  locked java.net.SocksSocketImpl@6c18520d
            at java.net.ServerSocket.implAccept(ServerSocket.java:462)
            at java.net.ServerSocket.accept(ServerSocket.java:430)
            at hudson.TcpSlaveAgentListener.run(TcpSlaveAgentListener.java:127)
     
     
    ViewJob reload thread
     
    "ViewJob reload thread" Id=35 Group=main TIMED_WAITING on java.util.LinkedHashSet@2806a0fa
            at java.lang.Object.wait(Native Method)
            -  waiting on java.util.LinkedHashSet@2806a0fa
            at hudson.model.ViewJob$ReloadThread.getNext(ViewJob.java:171)
            at hudson.model.ViewJob$ReloadThread.run(ViewJob.java:188)
     
     
    WinstoneHostConfigurationMgmt:default
     
    "WinstoneHostConfigurationMgmt:default" Id=12 Group=main TIMED_WAITING
            at java.lang.Thread.sleep(Native Method)
            at winstone.HostConfiguration.run(HostConfiguration.java:174)
            at java.lang.Thread.run(Thread.java:662)
     
     
    Finalizer
     
    "Finalizer" Id=3 Group=system WAITING on java.lang.ref.ReferenceQueue$Lock@5d9d8664
            at java.lang.Object.wait(Native Method)
            -  waiting on java.lang.ref.ReferenceQueue$Lock@5d9d8664
            at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
            at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
            at java.lang.ref.Finalizer$FinalizerThread.run(Finalizer.java:159)
     
     
    Java2D Disposer
     
    "Java2D Disposer" Id=10 Group=system WAITING on java.lang.ref.ReferenceQueue$Lock@67bfbf22
            at java.lang.Object.wait(Native Method)
            -  waiting on java.lang.ref.ReferenceQueue$Lock@67bfbf22
            at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:118)
            at java.lang.ref.ReferenceQueue.remove(ReferenceQueue.java:134)
            at sun.java2d.Disposer.run(Disposer.java:127)
            at java.lang.Thread.run(Thread.java:662)
     
     
    Reference Handler
     
    "Reference Handler" Id=2 Group=system WAITING on java.lang.ref.Reference$Lock@10e23f40
            at java.lang.Object.wait(Native Method)
            -  waiting on java.lang.ref.Reference$Lock@10e23f40
            at java.lang.Object.wait(Object.java:485)
            at java.lang.ref.Reference$ReferenceHandler.run(Reference.java:116)
     
     
    Signal Dispatcher
     
    "Signal Dispatcher" Id=5 Group=system RUNNABLE

      Solution:
      Disable "send to commiters".
      Svn changeset is not very big, svn folder also not very big, but parse xml parsing is very long.

            Assignee:
            Alex Earl
            Reporter:
            Kanstantsin Shautsou
            Archiver:
            Jenkins Service Account

              Created:
              Updated:
              Resolved:
              Archived: