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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-7047) RPC client gets stuck
Date Sun, 21 Nov 2010 23:33:13 GMT
RPC client gets stuck

                 Key: HADOOP-7047
                 URL: https://issues.apache.org/jira/browse/HADOOP-7047
             Project: Hadoop Common
          Issue Type: Bug
          Components: ipc
            Reporter: Hairong Kuang
            Assignee: Hairong Kuang
             Fix For: 0.22.0

One of the dfs clients in our cluster stuck on waiting for a RPC result. However the IPC connection
thread who is receiving the RPC result died on OOM error:
INFO >> Exception in thread "IPC Client (47) connection to XX from root" java.lang.OutOfMemoryError:
Java heap space
INFO >> at java.util.Arrays.copyOfRange(Arrays.java:3209)
INFO >> at java.lang.String.<init>(String.java:216)
INFO >> at java.lang.StringBuffer.toString(StringBuffer.java:585)
INFO >> at java.net.URI.toString(URI.java:1907)
INFO >> at java.net.URI.<init>(URI.java:732)
INFO >> at org.apache.hadoop.fs.Path.initialize(Path.java:137)
INFO >> at org.apache.hadoop.fs.Path.<init>(Path.java:126)
INFO >> at org.apache.hadoop.fs.FileStatus.readFields(FileStatus.java:206)
INFO >> at org.apache.hadoop.io.ObjectWritable.readObject(ObjectWritable.java:237)
INFO >> at org.apache.hadoop.io.ObjectWritable.readObject(ObjectWritable.java:171)
INFO >> at org.apache.hadoop.io.ObjectWritable.readObject(ObjectWritable.java:219)
INFO >> at org.apache.hadoop.io.ObjectWritable.readFields(ObjectWritable.java:66)
INFO >> at org.apache.hadoop.ipc.Client$Connection.receiveResponse(Client.java:531)
2010-11-18 06:06:59,422 copier_DFSSCRIBE-SNC5-02 INFO >> at org.apache.hadoop.ipc.Client$Connection.run(Client.java:466)

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