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https://issues.apache.org/jira/browse/HBASE-7684?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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cuijianwei updated HBASE-7684:
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Attachment: check_call_null_before_set_in_secure_client.diff
> NullPointerException in SecureClient when Call is cleaned up due to RPC
> timeout
> --------------------------------------------------------------------------------
>
> Key: HBASE-7684
> URL: https://issues.apache.org/jira/browse/HBASE-7684
> Project: HBase
> Issue Type: Bug
> Components: security
> Affects Versions: 0.94.3
> Reporter: cuijianwei
> Attachments: check_call_null_before_set_in_secure_client.diff
>
>
> We find NullPointException when using SecureClient to access hbase. From the
> source code, we find that receiveResponse() will not check call != null
> before invoke call.setValue(...)(line 378 and 380 in SecureClient.java).
> However, as explained in receiveResponse() of HBaseClient, the call may have
> been cleaned up due to RPC timeout; therefore, it should be better to check
> call != null before invoke call.setValue(...) in SecureClient
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