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https://issues.apache.org/jira/browse/HDFS-3842?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aaron T. Myers updated HDFS-3842:
---------------------------------
Attachment: HDFS-3842.patch
Trivial patch attached. The trouble is that the test is trying trying to
substitute in an object of type BlockLocation into an array whose declared type
is BlockLocation, but the actual type of the objects in the array is
HdfsBlockLocation. Though Java does allow arrays to contain subclasses of the
declared type of the array, it doesn't allow arrays with mixed actual types.
> HDFS-3672 broke TestCombineFileInputFormat.testMissingBlocks() test
> -------------------------------------------------------------------
>
> Key: HDFS-3842
> URL: https://issues.apache.org/jira/browse/HDFS-3842
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs client
> Affects Versions: 2.2.0-alpha
> Reporter: Alejandro Abdelnur
> Assignee: Aaron T. Myers
> Priority: Critical
> Attachments: HDFS-3842.patch
>
>
> Before HDFS-3672, locally applying MAPREDUCE-4470 made
> TestCombineFileInputFormat to pass all it tests.
> After HDFS-3672, TestCombineFileInputFormat.testMissingBlocks() fails:
> {code}
> $ mvn clean test -Dtest=TestCombineFileInputFormat
> Running org.apache.hadoop.mapred.TestCombineFileInputFormat
> Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.698 sec
> Running org.apache.hadoop.mapreduce.lib.input.TestCombineFileInputFormat
> Tests run: 6, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 7.526 sec <<<
> FAILURE!
> Results :
> Tests in error:
>
> testMissingBlocks(org.apache.hadoop.mapreduce.lib.input.TestCombineFileInputFormat):
> org.apache.hadoop.fs.BlockLocation
> Tests run: 7, Failures: 0, Errors: 1, Skipped: 0
> {code}
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