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| Re: Breakpoints in JSP pages [message #224225 is a reply to message #224217] |
Tue, 25 November 2008 04:01   |
Eclipse User |
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Originally posted by: david_williams.linux.vnet.ibm.com
Steven Curtis wrote:
> Unfortunately, I have uncovered some confusing evidence. The scenario
> previously described works in Eclipse if deployed to a JBoss server.
> Since Eclipse correctly debugs the application deployed to a JBoss
> container and the Swat debugger correctly debugs the application
> deployed to an OC4J conainter, the problem has to be in the
> interaction between the Eclipse debugger and an OC4J container and not
> explicitly in either one. Any suggestions on how to investigate the
> interaction between the two since each have shown proper behavior
> independently?
>
> Steve
>
I don't have much concrete ... but first, you are intentionally studying
the problem with files that have the same name, right? There's some
(oldish) bugzilla entries that talk about problems with files that have
the same name (but in different directories). You might search bugzilla
to see if you can find them, and if so, if they might help explain the
issues. [I don't know if they'd be open or closed.] My guess it that it
is related to how the jsp name-mangling is done ... but, that is just a
guess.
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| Re: Breakpoints in JSP pages [message #224240 is a reply to message #224232] |
Tue, 25 November 2008 14:36 |
 Steven Curtis
Messages: 6
Registered: July 2009 |
Junior Member |
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Nick Sandonato wrote:
[snip]
>> I don't have much concrete ... but first, you are intentionally studying
>> the problem with files that have the same name, right? There's some
>> (oldish) bugzilla entries that talk about problems with files that have
>> the same name (but in different directories). You might search bugzilla
>> to see if you can find them, and if so, if they might help explain the
>> issues. [I don't know if they'd be open or closed.] My guess it that it
>> is related to how the jsp name-mangling is done ... but, that is just a
>> guess.
>>
>>
>>
> Here's the (oldish) bug:
> https://bugs.eclipse.org/bugs/show_bug.cgi?id=99674
> Hope this helps to clear things up a little.
Thanks for the info, but I guessed that might be the problem as well.
I've been able to reproduce the issue using two JSP files with different
file names. To your point, when two files with the same file name are in
different source paths in an OC4J debug session, current Eclipse behavior
is to prompt the user to resolve the ambiguity with a dialog box asking
for which source file to display. Unfortunately, in the jsp/index.jsp
case, the dialog doesn't show because the breakpoint isn't being triggered.
Another curiosity is the fact that the JBoss debug session has absolutely
no problem distinguishing between two files in different directories with
the same name while the OC4J debug session prompts to resolve ambiguities
and will occasionally display the wrong file. Is this due to an
incomplete or buggy JSR 45 implementation in OC4J? Incorrect "jsp
name-mangling" (Not sure what that is. Have any more details?) by OC4J?
I've read about line number maps that are supposed to be passed back to
the IDE. Maybe the maps coming from OC4J are malformed or incomplete?
Still researching. Suggestions appreciated.
Thanks,
Steve
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| Re: Breakpoints in JSP pages [message #224469 is a reply to message #224240] |
Wed, 26 November 2008 16:29 |
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Steven Curtis wrote:
> Another curiosity is the fact that the JBoss debug session has
> absolutely no problem distinguishing between two files in different
> directories with the same name while the OC4J debug session prompts to
> resolve ambiguities and will occasionally display the wrong file. Is
> this due to an incomplete or buggy JSR 45 implementation in OC4J?
> Incorrect "jsp name-mangling" (Not sure what that is. Have any more
> details?) by OC4J? I've read about line number maps that are supposed
> to be passed back to the IDE. Maybe the maps coming from OC4J are
> malformed or incomplete? Still researching. Suggestions appreciated.
Generally that's the case. I don't believe the JSR is specific
enough in this area.
https://bugs.eclipse.org/bugs/show_bug.cgi?id=99674#c8
--
---
Nitin Dahyabhai
Eclipse WTP Source Editing
IBM Rational
_
Nitin Dahyabhai
Eclipse Web Tools Platform
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