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https://jira.codehaus.org/browse/MPMD-176?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=341843#comment-341843
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Dennis Lundberg commented on MPMD-176:
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I did some checking:
* PMD 5.0.5 can be built using Java 5
* There is no mention of the upgrade to Java 6 in the release notes for 5.1.0
* The building instruction at
http://pmd.sourceforge.net/pmd-5.1.0/compiling.html says you need Java 5 or
newer to compile PMD 5.1.0
* PMD 5.1.0 cannot be built with Java 5 as it has source/target version set to
1.6 for maven-compiler-plugin
* Changing that to 1.5 in the pom.xml causes a build failure
It seems that the move to Java 1.6 for PMD was intended, but not documented. So
we now face a choice: which version to use? Here's what I suggest:
# Change the version of PMD to 5.0.5 (which was what this issue said
originally) and the title of this issue accordingly
# Go through the issues for Maven PMD Plugin and try to fix as many important
ones as possible
# Release Maven PMD Plugin 3.1, and announce that it will be the last version
that supports Java 5
# Create another issue for upgrading to PMD 5.1.0 and schedule that for Maven
PMD Plugin 3.2/4.0
# Fix that issue on trunk
> upgrade to last 5.1.0
> ---------------------
>
> Key: MPMD-176
> URL: https://jira.codehaus.org/browse/MPMD-176
> Project: Maven PMD Plugin
> Issue Type: Bug
> Components: PMD
> Reporter: Olivier Lamy
> Assignee: Olivier Lamy
> Fix For: 3.1
>
>
> need a workaround to a PMD bug.
> see https://github.com/apache/maven-plugins/pull/16
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