[jira] [Created] (HBASE-22734) Format error message in create_namespace command to avoid stacktrace

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

Sakthi created HBASE-22734:
------------------------------

             Summary: Format error message in create_namespace command to avoid stacktrace
                 Key: HBASE-22734
                 URL: https://issues.apache.org/jira/browse/HBASE-22734
             Project: HBase
          Issue Type: Improvement
            Reporter: Sakthi


This is what it looks like currently:

 
{code:java}
hbase(main):003:0> create_namespace 'ns1:t2'

ERROR: java.io.IOException: Illegal character <:> at 3. Namespaces may only contain 'alphanumeric characters' from any language and digits: ns1:t2
at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:472)
at org.apache.hadoop.hbase.ipc.CallRunner.run(CallRunner.java:132)
at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:338)
at org.apache.hadoop.hbase.ipc.RpcExecutor$Handler.run(RpcExecutor.java:318)
Caused by: java.lang.IllegalArgumentException: Illegal character <:> at 3. Namespaces may only contain 'alphanumeric characters' from any language and digits: ns1:t2
at org.apache.hadoop.hbase.TableName.isLegalNamespaceName(TableName.java:251)
at org.apache.hadoop.hbase.TableName.isLegalNamespaceName(TableName.java:225)
at org.apache.hadoop.hbase.master.HMaster.createNamespace(HMaster.java:3267)
at org.apache.hadoop.hbase.master.MasterRpcServices.createNamespace(MasterRpcServices.java:649)
at org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProtos$MasterService$2.callBlockingMethod(MasterProtos.java)
at org.apache.hadoop.hbase.ipc.RpcServer.call(RpcServer.java:413)
... 3 more

For usage try 'help "create_namespace"'

Took 8.2554 seconds{code}



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