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From "Rick Hillegas (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (DERBY-1046) JVMInfo is duplicated in derbyclient.jar
Date Wed, 28 Sep 2011 13:11:46 GMT

    [ https://issues.apache.org/jira/browse/DERBY-1046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13116419#comment-13116419

Rick Hillegas commented on DERBY-1046:

Thanks for the patch, Kathey. Before applying it, I saw JVMInfo in the following jar files:


After applying the patch, I see JVMInfo in the following jar files:


In all cases, JVMInfo appears in this directory:


So this patch achieves what this JIRA wants to accomplish. I believe that the presence of
JVMInfo in derbytools.jar means that DERBY-5431 is still possible.

I would recommend the following improvement to this patch: The cloned code warns the user
to propagate changes to JVMInfo as well. I think that there should be a similar warning in
JVMInfo, advising people to propagate changes to org.apache.derby.impl.tools.sysinfo.Main.


> JVMInfo is duplicated in derbyclient.jar
> ----------------------------------------
>                 Key: DERBY-1046
>                 URL: https://issues.apache.org/jira/browse/DERBY-1046
>             Project: Derby
>          Issue Type: Bug
>          Components: Build tools
>    Affects Versions:
>            Reporter: Knut Anders Hatlen
>            Assignee: Kathey Marsden
>            Priority: Minor
>             Fix For:
>         Attachments: derby-1046.diff, derby-1046_diff.txt
> The JVMInfo class is included twice in derbyclient.jar, as
> org.apache.derby.iapi.services.info.JVMInfo and
> org.apache.derby.shared.common.info.JVMInfo. The only one of them
> actually used by the client code is the one found in
> org.apache.derby.shared.common.info.
> org.apache.derby.iapi.services.info.JVMInfo is also included in
> derby.jar, so one could run into problems if the classpath contains
> derbyclient.jar and derby.jar with different versions.

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