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https://issues.apache.org/jira/browse/HBASE-19740?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16320166#comment-16320166
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Chia-Ping Tsai commented on HBASE-19740:
----------------------------------------
We can use the significant error message when creating the
NamespaceExistException.
{code:title=CreateNamespaceProcedure.java}
private void prepareCreate(final MasterProcedureEnv env) throws IOException {
if
(getTableNamespaceManager(env).doesNamespaceExist(nsDescriptor.getName())) {
throw new NamespaceExistException(nsDescriptor.getName()); // here
}
getTableNamespaceManager(env).validateTableAndRegionCount(nsDescriptor);
}
{code}
FYI [~elserj] WDYT?
> Repeated error message for NamespaceExistException
> --------------------------------------------------
>
> Key: HBASE-19740
> URL: https://issues.apache.org/jira/browse/HBASE-19740
> Project: HBase
> Issue Type: Bug
> Reporter: Ted Yu
> Assignee: Ted Yu
> Priority: Minor
> Attachments: 19740.v1.txt
>
>
> The following can be observed in TestAsyncNamespaceAdminApi test output:
> {code}
> 2018-01-09 07:55:08,685 INFO [Default-IPC-NioEventLoopGroup-5-2]
> client.RawAsyncHBaseAdmin$NamespaceProcedureBiConsumer(2374): Operation:
> CREATE_NAMESPACE, Namespace: TestNamespacens1 failed with Namespace Namespace
> TestNamespacens1 already exists already exists
> {code}
> This was due to ForeignExceptionUtil.toIOException() recreating
> NamespaceExistException, resulting in "already exists" appended one more time.
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