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Ruyue Ma commented on HADOOP-5760: ---------------------------------- could we make this issue as a duplicate of hadoop-6498? > Task process hanging on an RPC call > ----------------------------------- > > Key: HADOOP-5760 > URL: https://issues.apache.org/jira/browse/HADOOP-5760 > Project: Hadoop Common > Issue Type: Bug > Components: ipc > Reporter: Devaraj Das > > 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) -- This message is automatically generated by JIRA. - You can reply to this email to add a comment to the issue online.