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https://issues.apache.org/jira/browse/HADOOP-7047?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hairong Kuang resolved HADOOP-7047.
-----------------------------------
Resolution: Invalid
I just realized that this problem has already been fixed in the trunk. The fix
is in Connection#run. Good job, the Hadoop community!
> 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
>
> Attachments: trunkStuckClient.patch
>
>
> 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$Connection.receiveResponse(Client.java:531)
> INFO >> at org.apache.hadoop.ipc.Client$Connection.run(Client.java:466)
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