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From "Ted Yu (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-16359) NullPointerException in RSRpcServices.openRegion()
Date Thu, 04 Aug 2016 22:39:20 GMT
Ted Yu created HBASE-16359:
------------------------------

             Summary: NullPointerException in RSRpcServices.openRegion()
                 Key: HBASE-16359
                 URL: https://issues.apache.org/jira/browse/HBASE-16359
             Project: HBase
          Issue Type: Bug
            Reporter: Ted Yu


{code}
2016-08-04 09:19:52,616 INFO  [B.priority.fifo.QRpcServer.handler=12,queue=0,port=16020] regionserver.RSRpcServices:
Open hbck_table_772674,,1470302211047.                                da859880bb51bc0fd25979798a96c444.
2016-08-04 09:19:52,620 ERROR [B.priority.fifo.QRpcServer.handler=12,queue=0,port=16020] ipc.RpcServer:
Unexpected throwable object
java.lang.NullPointerException
  at org.apache.hadoop.hbase.regionserver.RSRpcServices.openRegion(RSRpcServices.java:1530)
  at org.apache.hadoop.hbase.protobuf.generated.AdminProtos$AdminService$2.callBlockingMethod(AdminProtos.java:22737)
  at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2127)
  at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:107)
  at org.apache.hadoop.hbase.ipc.RpcExecutor.consumerLoop(RpcExecutor.java:133)
{code}
Here is related code - NPE was thrown from the last line:
{code}
        htd = htds.get(region.getTable());
        if (htd == null) {
          htd = regionServer.tableDescriptors.get(region.getTable());
          htds.put(region.getTable(), htd);
        }
...
          if (region.isMetaRegion()) {
            regionServer.service.submit(new OpenMetaHandler(
              regionServer, regionServer, region, htd, masterSystemTime, coordination, ord));
          } else {
            regionServer.updateRegionFavoredNodesMapping(region.getEncodedName(),
              regionOpenInfo.getFavoredNodesList());
            if (htd.getPriority() >= HConstants.ADMIN_QOS || region.getTable().isSystemTable())
{
{code}
region.getTable() shouldn't be null since it is called via htds.get(region.getTable()) unconditionally.
It seems htd was null.



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