Clean up duplication of dependent jar files
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Key: HDFS-1917
URL: https://issues.apache.org/jira/browse/HDFS-1917
Project: Hadoop HDFS
Issue Type: Bug
Components: build
Affects Versions: 0.23.0
Environment: Java 6, RHEL 5.5
Reporter: Eric Yang
For trunk, the build and deployment tree look like this:
hadoop-common-0.2x.y
hadoop-hdfs-0.2x.y
hadoop-mapred-0.2x.y
Technically, hdfs's the third party dependent jar files should be fetch from
hadoop-common. However, it is currently fetching from hadoop-hdfs/lib only.
It would be nice to eliminate the need to repeat duplicated jar files at build
time.
There are two options to manage this dependency list, continue to enhance ant
build structure to fetch and filter jar file dependencies using ivy. On the
other hand, it would be a good opportunity to convert the build structure to
maven, and use maven to manage the provided jar files.
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