[jira] [Created] (HADOOP-19963) Shut down leaked mini-cluster instances in hadoop-distcp and hadoop-streaming

["Jose Luis López (Jira)" <ji...@apache.org>]

Jose Luis López created HADOOP-19963:
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             Summary:  Shut down leaked mini-cluster instances in hadoop-distcp and hadoop-streaming
                 Key: HADOOP-19963
                 URL: https://issues.apache.org/jira/browse/HADOOP-19963
             Project: Hadoop Common
          Issue Type: Test
            Reporter: Jose Luis López


Part of the mini-cluster leak scan recorded in HDFS-17957, which covers
hadoop-hdfs-project only. I discovered the following in the HADOOP common project:
 
* TestCopyMapper holds a cluster in a field with no teardown in the class or
its ancestors.
* TestMultipleArchiveFiles holds two, dfs and mr, with no teardown.
 
Impact: a leaked cluster keeps threads, heap and ports alive under the
remaining tests of the class.
 
The fixes are mechanical teardown methods. Test-scope only; no production code
is touched.



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