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https://issues.apache.org/jira/browse/HBASE-4980?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13165026#comment-13165026
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Hadoop QA commented on HBASE-4980:
----------------------------------
-1 overall. Here are the results of testing the latest attachment
http://issues.apache.org/jira/secure/attachment/12506577/0002-HBASE-4980-Fix-NPE-in-HBaseClient-receiveResponse.patch
against trunk revision .
+1 @author. The patch does not contain any @author tags.
-1 tests included. The patch doesn't appear to include any new or modified
tests.
Please justify why no new tests are needed for this
patch.
Also please list what manual steps were performed to
verify this patch.
-1 patch. The patch command could not apply the patch.
Console output: https://builds.apache.org/job/PreCommit-HBASE-Build/473//console
This message is automatically generated.
> Null pointer exception in HBaseClient receiveResponse
> -----------------------------------------------------
>
> Key: HBASE-4980
> URL: https://issues.apache.org/jira/browse/HBASE-4980
> Project: HBase
> Issue Type: Bug
> Components: client
> Affects Versions: 0.92.0
> Reporter: Shrijeet Paliwal
> Labels: newbie
> Attachments:
> 0001-HBASE-4980-Fix-NPE-in-HBaseClient-receiveResponse.patch,
> 0002-HBASE-4980-Fix-NPE-in-HBaseClient-receiveResponse.patch
>
>
> Relevant Stack trace:
> 2011-11-30 13:10:26,557 [IPC Client (47) connection to
> xx.xx.xx/172.22.4.68:60020 from an unknown user] WARN
> org.apache.hadoop.ipc.HBaseClient - Unexpected exception receiving call
> responses
> java.lang.NullPointerException
> >-at
> >org.apache.hadoop.hbase.ipc.HBaseClient$Connection.receiveResponse(HBaseClient.java:583)
> >-at
> >org.apache.hadoop.hbase.ipc.HBaseClient$Connection.run(HBaseClient.java:511)
> {code}
> if (LOG.isDebugEnabled())
> LOG.debug(getName() + " got value #" + id);
> Call call = calls.remove(id);
> // Read the flag byte
> byte flag = in.readByte();
> boolean isError = ResponseFlag.isError(flag);
> if (ResponseFlag.isLength(flag)) {
> // Currently length if present is unused.
> in.readInt();
> }
> int state = in.readInt(); // Read the state. Currently unused.
> if (isError) {
> //noinspection ThrowableInstanceNeverThrown
> call.setException(new RemoteException( WritableUtils.readString(in),
> WritableUtils.readString(in)));
> } else {
> {code}
> This line {code}Call call = calls.remove(id);{code} may return a null
> 'call'. It is so because if you have rpc timeout enable, we proactively clean
> up other calls which have expired their lifetime along with the call for
> which socket timeout exception happend.
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