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From "Tom White (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-6800) Harmonize JAR library versions
Date Wed, 02 Jun 2010 21:57:57 GMT
Harmonize JAR library versions

                 Key: HADOOP-6800
                 URL: https://issues.apache.org/jira/browse/HADOOP-6800
             Project: Hadoop Common
          Issue Type: Bug
            Reporter: Tom White
            Priority: Blocker
             Fix For: 0.21.0

Currently, multiple versions of the same library JAR are being pulled in for various reasons.
* Within the same project, multiple versions of the same JAR are pulled in. E.g. Avro (used
by Common) depends on Commons Lang 2.5 while Common depends on Commons Lang 2.4.
* Dependent subprojects use different versions. E.g. Common depends on Avro 1.3.2 while MapReduce
depends on 1.3.0. Since MapReduce depends on Common, this has the potential to cause a problem
at runtime.

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