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From "Enis Soztutar (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-9510) Namespace operations should throw clean exceptions
Date Wed, 11 Sep 2013 21:02:52 GMT
Enis Soztutar created HBASE-9510:
------------------------------------

             Summary: Namespace operations should throw clean exceptions
                 Key: HBASE-9510
                 URL: https://issues.apache.org/jira/browse/HBASE-9510
             Project: HBase
          Issue Type: Bug
          Components: master
            Reporter: Enis Soztutar
            Assignee: Enis Soztutar
             Fix For: 0.98.0, 0.96.0


Some of the namespace operations does not throw clean exceptions mimicking table exceptions
(TableNotFoundException, etc). 

For example:
{code}
hbase(main):007:0> describe_namespace 'non_existing_namespace'

ERROR: java.io.IOException
	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2117)
	at org.apache.hadoop.hbase.ipc.RpcServer$CallRunner.run(RpcServer.java:1816)
	at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.consumerLoop(SimpleRpcScheduler.java:165)
	at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler.access$0(SimpleRpcScheduler.java:161)
	at org.apache.hadoop.hbase.ipc.SimpleRpcScheduler$1.run(SimpleRpcScheduler.java:113)
	at java.lang.Thread.run(Thread.java:680)
Caused by: java.lang.NullPointerException
	at org.apache.hadoop.hbase.protobuf.ProtobufUtil.toProtoNamespaceDescriptor(ProtobufUtil.java:2138)
	at org.apache.hadoop.hbase.master.HMaster.getNamespaceDescriptor(HMaster.java:3029)
	at org.apache.hadoop.hbase.protobuf.generated.MasterAdminProtos$MasterAdminService$2.callBlockingMethod(MasterAdminProtos.java:32904)
	at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:2079)
	... 5 more
{code}

We can clean up the exceptions thrown from ns commands. 

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