maven artifacts (0.20.205.0) has incorrect dependencies, leading to infinite
loop in MiniMRCluster in unit tests
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Key: MAPREDUCE-3414
URL: https://issues.apache.org/jira/browse/MAPREDUCE-3414
Project: Hadoop Map/Reduce
Issue Type: Bug
Affects Versions: 0.20.205.0
Reporter: Scott Carey
(hadoop 0.20.205.0, perhaps more)
A simple unit test using MiniMRCluster will:
* Crash if jackson-jaxrs is not in scope
* Hang forever if jackson-jaxrs is in scope but jersey-core is not
Hadoop does not declare eitehr of these required dependencies in hadoop-core or
hadoop-test poms. hadoop-test should at minimum include both of these
declared in its pom.
The reproducible case is here:
https://github.com/scottcarey/hadoop_dependency_bug
"mvn test" works fine as is, but if you comment out the explicit dependencies
in the pom you'll get the errors above.
Comment out jersey-core it will spin forever.
Comment out jackson-jaxrs and it will crash.
Both cases demonstrate that the dependency in the hadoop-test (and implicit
hadoop-core) are not specified correctly in the pom.
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