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https://issues.apache.org/jira/browse/HADOOP-8799?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Joel Costigliola resolved HADOOP-8799.
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Resolution: Invalid
> commons-lang version mismatch
> -----------------------------
>
> Key: HADOOP-8799
> URL: https://issues.apache.org/jira/browse/HADOOP-8799
> Project: Hadoop Common
> Issue Type: Bug
> Components: build
> Affects Versions: 1.0.3
> Reporter: Joel Costigliola
>
> hadoop install references commons-lang-2.4.jar while hadoop-core dependency
> references commons-lang:jar:2.6 as shown in maven dependency:tree command
> output extract.
> {noformat}
> org.apache.hadoop:hadoop-core:jar:1.0.3:provided
> +- commons-cli:commons-cli:jar:1.2:provided
> +- xmlenc:xmlenc:jar:0.52:provided
> +- commons-httpclient:commons-httpclient:jar:3.0.1:provided
> +- commons-codec:commons-codec:jar:1.4:provided
> +- org.apache.commons:commons-math:jar:2.1:provided
> +- commons-configuration:commons-configuration:jar:1.6:provided
> | +- commons-collections:commons-collections:jar:3.2.1:provided
> | +- commons-lang:commons-lang:jar:2.6:provided (version managed from 2.4)
> {noformat}
> Hadoop install libs should be consistent with hadoop-core maven dependencies.
> I found this error because I was using a feature available in
> commons-lang.2.6 that was failing when executed in my hadoop cluster (but not
> with m pigunit tests).
> A last remark, it would be nice to display the classpath used by hadoop
> cluster while executing a job, because these kinds of errors are not easy to
> find.
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