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https://issues.apache.org/jira/browse/HADOOP-15360?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16425250#comment-16425250
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He Xiaoqiao commented on HADOOP-15360:
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Thanks [~jojochuang], my hadoop version is release-2.7.1, and it looks fix in
branch-2.7, but I don't dig deeply which issue fixed it, maybe it is relevant
to JIRA you mentioned above. thanks again.
> Log some more helpful information when catch RuntimeException or Error in
> IPC.Server
> -------------------------------------------------------------------------------------
>
> Key: HADOOP-15360
> URL: https://issues.apache.org/jira/browse/HADOOP-15360
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ipc
> Reporter: He Xiaoqiao
> Priority: Major
>
> IPC.Server#logException doesn't not print exception stack trace when catch
> RuntimeException or Error, for instance:
> {code:java}
> 2018-03-28 21:52:25,385 WARN org.apache.hadoop.ipc.Server: IPC Server handler
> 17 on 8020, call org.apache.hadoop.hdfs.protocol.ClientProtocol.getFileInfo
> from *.*.*.*:59326 Call#46 Retry#0 java.lang.ArrayIndexOutOfBoundsException: 0
> {code}
> this log message is not friendly for debug. I think it is necessary to print
> more helpful message or full stack trace when the exception is
> RuntimeException or Error.
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