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  1. Hadoop Common
  2. HADOOP-5760

Task process hanging on an RPC call

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    Details

    • Type: Bug
    • Status: Resolved
    • Priority: Major
    • Resolution: Duplicate
    • Affects Version/s: None
    • Fix Version/s: None
    • Component/s: ipc
    • Labels:
      None

      Description

      On a random node on a cluster, I found one task process waiting on an RPC call. The process has been in that state for a few days at least.

      "main" prio=10 tid=0x08069400 nid=0x6f52 in Object.wait() [0xf7e6c000..0xf7e6d1f8]
      java.lang.Thread.State: WAITING (on object monitor)
      at java.lang.Object.wait(Native Method)

      • waiting on <0xf1215700> (a org.apache.hadoop.ipc.Client$Call)
        at java.lang.Object.wait(Object.java:485)
        at org.apache.hadoop.ipc.Client.call(Client.java:725)
      • locked <0xf1215700> (a org.apache.hadoop.ipc.Client$Call)
        at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:220)
        at org.apache.hadoop.mapred.$Proxy0.statusUpdate(Unknown Source)
        at org.apache.hadoop.mapred.Task.statusUpdate(Task.java:691)
        at org.apache.hadoop.mapred.Task.taskCleanup(Task.java:795)
        at org.apache.hadoop.mapred.Child.main(Child.java:176)

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              • Assignee:
                Unassigned
                Reporter:
                ddas Devaraj Das
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                Dates

                • Created:
                  Updated:
                  Resolved: