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From "Jon Schneider (JIRA)" <>
Subject [jira] Commented: (IVYDE-202) Another method for adding IvyDE classpath container to the WTP dynamic module tree.
Date Thu, 17 Sep 2009 19:12:57 GMT


Jon Schneider commented on IVYDE-202:

There seems to be some sort of collision between the 3.0.4 attribute and the 3.0.5 attribute
that RAD is trying to suppress that causes the classpath container to not be visible in the
JEE Module Dependencies table view when the product is upgraded to 7.5.3.  At any rate, this
is more of an IBM problem than an IvyDE problem.

I have attached a documentation patch to the WTP Integration page that details the extra step
that RAD developers will have to go through to make their classpath containers deployable.

> Another method for adding IvyDE classpath container to the WTP dynamic module tree.
> -----------------------------------------------------------------------------------
>                 Key: IVYDE-202
>                 URL:
>             Project: IvyDE
>          Issue Type: Improvement
>         Environment: IBM RAD 7.5.3, Websphere
>            Reporter: Jon Schneider
>         Attachments: ivyde-202.patch, rad_jee_page.jpg
> Recently, my colleagues at work upgraded from RAD 7.5.2 to RAD 7.5.3.  Before the upgrade,
IvyDE classpath containers showed up in the Web Libraries tab of the JEE Module Dependencies
preference page.  After the upgrade, the classpath container is conspicuously missing.  Manually
affecting the .classpath to add the container attribute does not help to deploy the contents
of the container.
> After some exhaustive debugging with WTP 3.0.4 and WTP 3.0.5, I concluded that the issue
had to be somehow RAD specific.  IBM's response was:
> "This rings a bell. The ability to map "User Libraries" under Web libraries was a piece
of functionality that was removed between RAD 7.5.2 and 7.5.3.
> I did some digging and it seems the reason this was removed has something to do with
reliability issues...
> Apparently the old behaviour can be had by enabling the preference "Allow loose classpath
module dependencies" [in a RAD specific workspace preference page] although there is a scary
warning accompanying it."
> Unfortunately, the "old behavior" is not restored by enabling the preference.
> Really there is no workaround currently for it unless IBM reverses course on their decision
to disable this functionality of WTP.  So here is what I propose (straight from the days before
classpath containers were deployable resources):
> Add some project level option that does 2 things:
> 1.  For jar classpath entries in the container, retrieve them to the WEB-INF/lib directory
of the Dynamic Web Project (then they will get picked up by the Web App Libraries container?).
> 2.  For project reference entries in the container, construct an IVirtualReference on
the fly.
> I'm almost certain this is how Maven's plugin used to get around this issue before classpath
container deployability was an option, and I know I wrote code to do that with a similar container
a few years back.
> Suggestions?

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