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From "Ming Ma (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-4355) TestHTablePool failure
Date Thu, 08 Sep 2011 21:04:11 GMT
TestHTablePool failure
----------------------

                 Key: HBASE-4355
                 URL: https://issues.apache.org/jira/browse/HBASE-4355
             Project: HBase
          Issue Type: Bug
            Reporter: Ming Ma
            Assignee: Ming Ma


This unit test has been failing on my machine with the following error.

testTableWithStringName(org.apache.hadoop.hbase.client.TestHTablePool$TestHTableThreadLocalPool):
Cluster already running at /hbase-core-trunk/target/test-data/2e41efb9-7b96-4ab3-abec-c58f467b220c/af01017e-ee3c-46fc-b908-078a3a4e8b52/bfd8e9b4-66da-4322-96bd-6db4564d8f41/d9a97e3d-8ffb-4945-a71e-d059e3bc7274/6cdf0b73-b9a0-45f4-856d-53cd02ecebce/34c41612-9311-4199-9902-cf30a9cb7b9d/33e7bfd5-2519-4349-9a44-d05000e00526/dbc60fd9-756d-4263-9ed1-bbff69ec7a80/0e1bde7e-c966-4c3e-a01c-50ded9cb166b/415e8d51-46f2-4d50-879a-870298a9e1f8/fb165bb9-7d6c-4cf8-970a-e281b9818e97

It looks like TestHTablePool uses nested classes TestHTableReusablePool and TestHTableThreadLocalPool.
Both classes could be instantiated by junit framework in mulitple threads fashion. Both classes
call HBaseTestingUtilility.startMiniCluster. HBaseTestingUtilility.isRunningCluster throws
this exception.


Is the understanding about junit framework correctly? I don't know why others haven't got
such error.

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