contrib/index - test - TestIndexUpdater fails due to an additional presence of
file _SUCCESS in hdfs
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Key: MAPREDUCE-1334
URL: https://issues.apache.org/jira/browse/MAPREDUCE-1334
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: test
Reporter: Kay Kay
Fix For: 0.21.0
$ cd src/contrib/index
$ ant clean test
This fails the test TestIndexUpdater due to a mismatch in the - doneFileNames -
data structure, when it is being run with different parameters.
(ArrayIndexOutOfBoundsException raised when inserting elements in
doneFileNames, array ).
Debugging further - there seems to be an additional file called as -
hdfs://localhost:36021/myoutput/_SUCCESS , taken into consideration in addition
to those that begins with done* . The presence of the extra file causes the
error.
Attaching a patch that would circumvent this by increasing the array length of
shards by 1 .
But longer term the test fixtures need to be probably revisited to see if the
presence of _SUCCESS as a file is a good thing to begin with before we even get
to this test case.
Any comments / suggestions on the same welcome.
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