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https://issues.apache.org/jira/browse/OODT-507?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13460222#comment-13460222
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Chris A. Mattmann commented on OODT-507:
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Great idea, Reesh! Let's do it!
> maven-cas-install-plugin should remove legacy jars from component's lib
> directory, if customLibs are specified
> --------------------------------------------------------------------------------------------------------------
>
> Key: OODT-507
> URL: https://issues.apache.org/jira/browse/OODT-507
> Project: OODT
> Issue Type: Improvement
> Components: cas-mvn-plugins
> Affects Versions: 0.4
> Reporter: Rishi Verma
> Assignee: Rishi Verma
> Priority: Minor
> Fix For: 0.5
>
>
> I think the maven-cas-install-plugin could help solve a deployment related
> issue: when upgraded versions of JAR files that are specified within the
> 'customLibs' parameter within the plugin configuration block of a given pom,
> legacy versions of the same JAR files already existing within a deployment
> directory (ie. filemgr/lib) can potentially conflict with these upgraded JARs
> if they are not first removed. This has, in the past, caused runtime errors
> that are difficult to trace.
> Although this is really more of a deployment issue that can be remedied if
> the individual performing the deployment is cognizant of existing legacy
> JARs, I think baking some intelligence into the cas-install plugin could
> ensure this problem never arises. To accomplish this, we could implement the
> following solution:
> * Within CASInstallDistMojo.execute [1], we ensure that the contents of a
> deployment component's 'libs' directory is removed prior to
> un-tarring/deployment if and only if the 'customLibs' element within the
> plugin configuration is specified and contains values. This would follow the
> model already implemented within CASInstallDistMojo.execute of removing the
> default policy files and configuration if custom versions of these files are
> specified in the plugin configuration.
> --
> [1]
> http://svn.apache.org/repos/asf/oodt/tags/0.4/mvn/plugins/cas-install/src/main/java/org/apache/oodt/cas/install/CASInstallDistMojo.java
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