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From Brice Ruth <bdr...@gmail.com>
Subject Re: OT: Tomcat debugging with Eclipse (Was Re: JDBCRealm using iBATIS?)
Date Tue, 05 Apr 2005 03:47:12 GMT
Ah, I guess my Lomboz experience is lacking. I assumed it would be much like 
MyEclipse, which launches Tomcat (or any other app server) into debug mode 
automatically.

On Apr 4, 2005 10:26 AM, Philippe Laflamme <philippe.laflamme@mail.mcgill.ca> 
wrote: 
> 
> Brice Ruth wrote:
> > Use Eclipse ... then you can use the Lomboz plug-in or the MyEclipse
> > plug-in (nominal fee) and you should be golden.
> 
> Use Eclipse yes, but Lomboz plug-in, no.
> 
> The last time I used it, it was such a pain to install, setup and
> maintain, that I simply gave up. Besides, it doesn't do anything that
> can't be done with a plain Eclipse setup (for debugging purposes)...
> 
> What you need to do is start your Tomcat VM with JPDA enabled (Java
> Platform Debugger Architecture). This is already available in the
> Catalina startup scripts: jpda start instead of start. I've created a
> modified version of the startup.bat script that I call debug.bat. It
> sets the port and type of JPDA to enable and calls catalia.bat with
> debugging enabled. I've attached a patch so you can see what I've
> modified...
> 
> In your Eclipse project, you setup a "Remote Java Application" debug
> target. Make it point to your Tomcat server and the JPDA port (8000 in
> my case). This is a major advantage over Lomboz: it allows you to debug
> a Tomcat instance that isn't running on localhost.
> 
> To start a debug session, start Tomcat with the proper script, start
> your debugging target in Eclipse, set a few breakpoints (in Tomcat
> source, iBatis source, your code, etc.) and voilĂ , you're ready to try
> to login... If you need to debug Tomcat's startup procedure, you can
> always suspend the VM before Tomcat's main method is called: look at the
> catalina script for the suspend=n flag and set it to suspend=y.
> 
> If you're not familiar with Eclipse, you'll to read on how to attach
> source code to runtime jars in a debugging target... Otherwise, you
> won't be able to debug as efficiently as you'll want.
> 
> Hope this helps,
> Philippe
> 
> > On Apr 2, 2005 10:53 AM, *Sasha Borodin* <sasha@whoissasha.com
> > <mailto:sasha@whoissasha.com>> wrote:
> >
> > I'm trying to get iBatis classes to initialize in a modified
> > JDBCRealm... Right now I'm having issues. There's a
> > ClassCastException thrown on Tomcat startup (when the realm classes
> > are initialized). I've placed all 3 iBatis jars, and various
> > combinations of supporting jars in server/lib, so far with no luck.
> > Brandon mentioned debugging the tomcat startup in an IDE; I'm
> > trying to figure out how to do that right now.
> >
> > I'll post and let you know my results. In the mean time, try it ;-)
> > I am trying to use a data source of type "DBCP" in my
> > sql-map-config.xml; it's the instantiation of this class that throws
> > errors right now. Maybe try using another data source and let us
> > know how it works.
> >
> > Thanks,
> >
> > -Sasha Borodin
> >
> >
> > ------------------------------------------------------------------------
> > *From: *Larry Meadors <larry.meadors@gmail.com
> > <mailto:larry.meadors@gmail.com>>
> > *Reply-To: *<ibatis-user-java@incubator.apache.org
> > <mailto:ibatis-user-java@incubator.apache.org>>
> > *Date: *Sat, 2 Apr 2005 06:35:53 -0700
> > *To: *<ibatis-user-java@incubator.apache.org
> > <mailto:ibatis-user-java@incubator.apache.org>>, Tim Christopher
> > <tim.christopher@gmail.com <mailto:tim.christopher@gmail.com>>
> > *Subject: *Re: JDBCRealm using iBATIS?
> >
> > Sasha Borodin(maybe?) mentioned working on an iBATIS realm for
> > tomcat on the tomcat-users list. You may want to check that out.
> >
> > Larry
> >
> > On Mar 17, 2005 8:37 AM, *Tim Christopher*
> > <tim.christopher@gmail.com <mailto:tim.christopher@gmail.com>> wrote:
> >
> > Hi,
> >
> > Can anyone let me know if it is possible to use iBATIS for
> > implementing JDBCRealm, or do I have to access the database
> > directly?
> >
> > I've looked on Google and in the Developer Notes for iBATIS and have
> > found nothing on this topic.
> >
> > Any help would be much appreciated.
> >
> > Tim Christopher
> >
> >
> >
> >
> >
> > --
> > Brice Ruth
> > Software Engineer, Madison WI
> 
> 
> --- startup.bat 2004-10-05 13:27:48.000000000 -0400
> +++ debug.bat 2004-12-08 13:46:03.606902000 -0500
> @@ -39,6 +39,9 @@
> goto setArgs
> :doneSetArgs
> 
> -call "%EXECUTABLE%" start %CMD_LINE_ARGS%
> +set JPDA_ADDRESS=8000
> +set JPDA_TRANSPORT=dt_socket
> +
> +call "%EXECUTABLE%" jpda start %CMD_LINE_ARGS%
> 
> :end
> 
> 
> 


-- 
Brice Ruth
Software Engineer, Madison WI

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