Ted Yu created HBASE-12162:
------------------------------
Summary: HBaseAdmin#getTableDescriptor() may fail in case master
fails over
Key: HBASE-12162
URL: https://issues.apache.org/jira/browse/HBASE-12162
Project: HBase
Issue Type: Bug
Reporter: Ted Yu
Assignee: Ted Yu
This was discovered by Chakradhar Medavarapu during HA testing.
Here is relevant exception:
{code}
2014-09-30 04:07:56,734|beaver.machine|INFO|5728|5604|MainThread|14/09/30
04:07:56 ERROR util.AbstractHBaseTool: Error running command-line tool
2014-09-30
04:07:56,734|beaver.machine|INFO|5728|5604|MainThread|java.io.IOException: Call
to onprem-ha34/10.215.18.85:60000 failed on local exception:
java.io.IOException: Call id=1, waitTime=8703
2014-09-30 04:07:56,734|beaver.machine|INFO|5728|5604|MainThread|at
org.apache.hadoop.hbase.ipc.RpcClient.wrapException(RpcClient.java:1571)
2014-09-30 04:07:56,734|beaver.machine|INFO|5728|5604|MainThread|at
org.apache.hadoop.hbase.ipc.RpcClient.call(RpcClient.java:1541)
2014-09-30 04:07:56,736|beaver.machine|INFO|5728|5604|MainThread|at
org.apache.hadoop.hbase.ipc.RpcClient.callBlockingMethod(RpcClient.java:1723)
2014-09-30 04:07:56,736|beaver.machine|INFO|5728|5604|MainThread|at
org.apache.hadoop.hbase.ipc.RpcClient$BlockingRpcChannelImplementation.callBlockingMethod(RpcClient.java:1776)
2014-09-30 04:07:56,736|beaver.machine|INFO|5728|5604|MainThread|at
org.apache.hadoop.hbase.protobuf.generated.MasterProtos$MasterService$BlockingStub.getTableDescriptors(MasterProtos.java:42525)
2014-09-30 04:07:56,736|beaver.machine|INFO|5728|5604|MainThread|at
org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation$5.getTableDescriptors(ConnectionManager.java:2121)
2014-09-30 04:07:56,736|beaver.machine|INFO|5728|5604|MainThread|at
org.apache.hadoop.hbase.client.ConnectionManager$HConnectionImplementation.getHTableDescriptor(ConnectionManager.java:2600)
2014-09-30 04:07:56,736|beaver.machine|INFO|5728|5604|MainThread|at
org.apache.hadoop.hbase.client.HBaseAdmin.getTableDescriptor(HBaseAdmin.java:410)
{code}
>From stack trace, exception came out of connection.getHTableDescriptor().
This happened during master failover where MasterKeepAliveConnection to the
failed master became unusable.
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