[jira] [Created] (HBASE-24019) Correct exception messages for table null and namespace unavailable.

[Mohammad Arshad (Jira)]

Mohammad Arshad created HBASE-24019:
---------------------------------------

             Summary: Correct exception messages for table null and namespace 
unavailable.
                 Key: HBASE-24019
                 URL: https://issues.apache.org/jira/browse/HBASE-24019
             Project: HBase
          Issue Type: Bug
            Reporter: Mohammad Arshad
            Assignee: Mohammad Arshad


Exception message for following two scenarios should be corrected. 

1. Change message to  "The list of tables cannot be null." in below code

{code:java}
@Override
  public void moveTables(Set<TableName> tables, String targetGroup) throws 
IOException {
    if (tables == null) {
      throw new ConstraintException("The list of servers cannot be null.");
    }
{code}
2. Change the message to "Region server group "+group+" does not exist" in 
below code.

{code:java}
public void preCreateNamespace(ObserverContext<MasterCoprocessorEnvironment> 
ctx,
                                 NamespaceDescriptor ns) throws IOException {
    String group = 
ns.getConfigurationValue(RSGroupInfo.NAMESPACE_DESC_PROP_GROUP);
    if(group != null && groupAdminServer.getRSGroupInfo(group) == null) {
      throw new ConstraintException("Region server group "+group+" does not 
exit");
    }
  }
{code}


 



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