[jira] [Created] (HBASE-8634) Fix potential null pointer dereference in HRegionServer and TableLockChecker

["Ted Yu (JIRA)" <ji...@apache.org>]

Ted Yu created HBASE-8634:
-----------------------------

             Summary: Fix potential null pointer dereference in HRegionServer and TableLockChecker
                 Key: HBASE-8634
                 URL: https://issues.apache.org/jira/browse/HBASE-8634
             Project: HBase
          Issue Type: Bug
            Reporter: Ted Yu
            Priority: Minor


>From https://builds.apache.org/job/PreCommit-HBASE-Build/5852//artifact/trunk/patchprocess/newPatchFindbugsWarningshbase-server.html :
{code}
<td>Possible null pointer dereference of rpcc in org.apache.hadoop.hbase.regionserver.HRegionServer.multi(RpcController, ClientProtos$MultiRequest)</td>
</tr>
<tr class="detailrow0">
<td/>
<td>
<p id="N69637" style="display: none;">
<a href="#NP_NULL_ON_SOME_PATH">Bug type NP_NULL_ON_SOME_PATH (click for details)</a>
<br/>In class org.apache.hadoop.hbase.regionserver.HRegionServer<br/>In method org.apache.hadoop.hbase.regionserver.HRegionServer.multi(RpcController, ClientProtos$MultiRequest)<br/>Value loaded from rpcc<br/>Dereferenced at HRegionServer.java:[line 3176]<br/>Known null at HRegionServer.java:[line 3174]</p>
...
<td>Possible null pointer dereference of rpcc in org.apache.hadoop.hbase.regionserver.HRegionServer.mutate(RpcController, ClientProtos$MutateRequest)</td>
</tr>
<tr class="detailrow1">
<td/>
<td>
<p id="N69712" style="display: none;">
<a href="#NP_NULL_ON_SOME_PATH">Bug type NP_NULL_ON_SOME_PATH (click for details)</a>
<br/>In class org.apache.hadoop.hbase.regionserver.HRegionServer<br/>In method org.apache.hadoop.hbase.regionserver.HRegionServer.mutate(RpcController, ClientProtos$MutateRequest)<br/>Value loaded from rpcc<br/>Dereferenced at HRegionServer.java:[line 2832]<br/>Known null at HRegionServer.java:[line 2830]</p>
...
<td>Possible null pointer dereference of rpcc in org.apache.hadoop.hbase.regionserver.HRegionServer.replay(RpcController, ClientProtos$MultiRequest)</td>
</tr>
<tr class="detailrow0">
<td/>
<td>
<p id="N69787" style="display: none;">
<a href="#NP_NULL_ON_SOME_PATH">Bug type NP_NULL_ON_SOME_PATH (click for details)</a>
<br/>In class org.apache.hadoop.hbase.regionserver.HRegionServer<br/>In method org.apache.hadoop.hbase.regionserver.HRegionServer.replay(RpcController, ClientProtos$MultiRequest)<br/>Value loaded from rpcc<br/>Dereferenced at HRegionServer.java:[line 3742]<br/>Known null at HRegionServer.java:[line 3740]</p>
...
<td>Possible null pointer dereference of data in org.apache.hadoop.hbase.util.hbck.TableLockChecker$1.handleMetadata(byte[])</td>
</tr>
<tr class="detailrow1">
<td/>
<td>
<p id="N73108" style="display: none;">
<a href="#NP_NULL_ON_SOME_PATH">Bug type NP_NULL_ON_SOME_PATH (click for details)</a>
<br/>In class org.apache.hadoop.hbase.util.hbck.TableLockChecker$1<br/>In method org.apache.hadoop.hbase.util.hbck.TableLockChecker$1.handleMetadata(byte[])<br/>Value loaded from data<br/>Dereferenced at TableLockChecker.java:[line 68]<br/>Known null at TableLockChecker.java:[line 60]</p>
{code}

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