Re: strange JPA Enhance stack

Craig L Russell Tue, 19 May 2009 12:57:52 -0700

Hi Marc,

As Mike says, we could be a bit more friendly. By the way, SERP has been very reliable so this hasn't been much of an issue to date.


Could you please file a JIRA so we don't forget about it?

Thanks,

Craig

On May 19, 2009, at 5:53 AM, Michael Dick wrote:

Hi Marc,
Sounds like an unchecked exception thrown by Serp and we could be a bit friendlier about how we handle it. At least dumping the classname that we're trying to load would help. Adding a try / catch might be helpful. Which
version of OpenJPA are you using?

My guess is that it is OpenJDK related and the compiled class is not
matching Serp's expectation. I haven't seen this exception before though and
I can't tell you why you're getting it.

-mike
On Tue, May 19, 2009 at 3:46 AM, Marc Logemann <l...@logemann.org> wrote:
David,
no, have not done this. Its quite a hughe effort to create a project from scratch and deploy it to SCM and configure TeamCity to "compile/ test" it. I still think its not a library issue because i use ivy within ANT and the
build system resolves libs the same way as its done on each developer
machine. The stack doesnt look like a missing lib to me. And its definitely also not an ANT issue because i am using the same ANT Target on the dev
machines.
I hoped somebody who developed the enhancer can tell something about the stack. I mean something like "this problem can only occur under this or that
condition".
In any way... do we agree that an IllegalArgumentException in SERP shouldnt be the first Exception on the stack ? I definitely would expect an Enhancer Exception saying whats wrong on an upper level. Something like "Enhancement failed on Class X" or something. The root cause would be of course the SERP
exception.

---
regards
Marc Logemann
http://www.logemann.org
http://www.logentis.de




Am 18.05.2009 um 16:29 schrieb Rick Curtis:
-Marc

Any luck with the suggestion that David made?


David Beer-2 wrote:
On Sat, 16 May 2009 15:32:36 +0200
Marc Logemann <l...@logemann.org> wrote:

Hi Marc
Can't seem that it is OpenJDK 6 related as I use it here for both my
development and continous build system (hudson under tomcat).
Are you using Ant or Maven with the build process. I have seen on lists that this can sometimes be a problem. Can you create a small project which has say just one class to enhance and see if that works through you build system. I am thinking that it may be a classpath or library
problem.

David
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Craig L Russell
Architect, Sun Java Enterprise System http://db.apache.org/jdo
408 276-5638 mailto:craig.russ...@sun.com
P.S. A good JDO? O, Gasp!

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