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http://jira.codehaus.org/browse/MNG-4225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=182052#action_182052
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nambi sankaran commented on MNG-4225:
-------------------------------------

This issue manifests when we use IBM JDK 1.6.
But there are no problems with SUN JDK 1.6.

Why do we see different behaviour between Different  JDK vendors?

> Plugin dependencies are incorrectly included as needed artifacts in IBM JDK 
> 1.5 sr8 and IBM JDK 1.6 
> ----------------------------------------------------------------------------------------------------
>
>                 Key: MNG-4225
>                 URL: http://jira.codehaus.org/browse/MNG-4225
>             Project: Maven 2
>          Issue Type: Bug
>          Components: Dependencies
>    Affects Versions: 2.0.9
>         Environment: OS : Windows Server 2003
> JDK: IBM JDK 1.5 sr8 edition and IBM JDK 1.6
>            Reporter: Baback Nemazie
>            Priority: Blocker
>         Attachments: JavaMavenTest.zip
>
>
> We have been using a "parent pom" that specifies the plugin dependencies for 
> our projects. This parent pom has been in use for more than a year. We have 
> been using IBM JDK 1.5 sr4 until recently, and we had no problems building 
> the parent pom. However for the upcoming release we upgraded to IBM JDK 1.5 
> sr8. Upon upgrade to the sr8 edition, when we tried to build the parent pom, 
> the build process incorrectly tried to search for specified plugin 
> dependencies, and since these specified plugin dependencies are built AFTER 
> the parent pom is built the build process fails with the error message that 
> it could not find the plugin-dependencies in order to proceed with building 
> the parent pom.
> We encountered the same issue with IBM JDK 1.6 as well. Since many of the 
> developers who use our product will be using IBM JDK 1.6, we need to resolve 
> this issue for both IBM JDK1.5 sr8 and IBM JDK 1.6.
> We did NOT encounter this issue with the Sun JDK 1.6. This led us to approach 
> IBM to investigate the issue as it appeared that this maybe an IBM JDK 
> specific issue. We sent our test case to them, and they reported to us that 
> suspect that maven code could be depending on the hashmap ordering, which is 
> breaking the dependency check.
> They instructed us to post this issue to the maven issue tracking and they 
> will follow up with the maven folks.
> Attached is the test case to reproduce the problem. Please read the file 
> how_to_reproduce.txt in the attached. IBM folks will provide you with the 
> needed JDK's.

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