[ 
https://issues.apache.org/jira/browse/HBASE-16670?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
 ]

Yu Li updated HBASE-16670:
--------------------------
       Resolution: Fixed
     Hadoop Flags: Reviewed
    Fix Version/s: 1.4.0
                   2.0.0
           Status: Resolved  (was: Patch Available)

Checked the failed UT cases and made sure they are all irrelative to patch here 
and could pass locally.

Pushed commit into master and branch-1. Thanks [~anoop.hbase] and [~chenheng] 
for review.

> Make RpcServer#processRequest logic more robust
> -----------------------------------------------
>
>                 Key: HBASE-16670
>                 URL: https://issues.apache.org/jira/browse/HBASE-16670
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Yu Li
>            Assignee: Yu Li
>            Priority: Minor
>             Fix For: 2.0.0, 1.4.0
>
>         Attachments: HBASE-16670.patch
>
>
> Currently in {{RpcServer#processRequest}}, we will check whether the request 
> header has parameters but missed handling the abnormal case, so if there's no 
> param in the header, it will throw NPE like below:
> {noformat}
> org.apache.hadoop.hbase.ipc.RemoteWithExtrasException(java.io.IOException): 
> java.io.IOException
>       at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2269)
>       at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:123)
>       at 
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:189)
>       at 
> org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:169)
> Caused by: java.lang.NullPointerException
>       at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2211)
> {noformat}



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