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From Werner Punz <>
Subject Re: cactus tests and debugging...
Date Wed, 28 Sep 2005 06:21:15 GMT
Hi Bill, could you push the info on the wiki for future references?


Bill Dudney wrote:
> Hi All,
> Most of you have probably see the fast and furious emails going on 
> about issue #623. I wanted to drop you a quick note on how to debug a 
> failing cactus test.
> First you need to have tomcat setup to run in debug mode and then 
> attach to it via your IDE. That process is explained in an old post  on
> my blog;
> the content is a bit dated but it works like a champ for tomcat 5.5.9.
> Once you are connected to tomcat running in the debug-able vm you can 
> set breakpoints in the server side code (such as ValueBindingImpl for 
> bug #623) and merrily debug away with a quick simple means to repeat 
> the buggy code (i.e. no more wading through a JSP to invoke the buggy 
> code). You can run the cactus tests in Eclipse as JUnit tests so it 
> appears that everything is happening right in eclipse but half of the 
> code is running on the server.
> You have to deploy the cactus tests into your running version of  tomcat
> for all this to work. I was thinking of adding build stuff to 
> accomplish that as well if there is enough interest. In the mean time 
> you can simply startup tomcat as described in the blog post and copy 
> the cactus-app.war file into the auto deploy directory (usually 
> webapps) then connect Eclipse to the debug-able jvm running tomcat 
> (also described earlier in the blog post). You also need to specify  the
> following property;
> cactus.contextURL=http://localhost:8080/cactus-app
> You can specify this in your launch specification in Eclipse or  create
> a file in the Eclipse output folder (where  the
> projects compiled classes end up). The file should contain a  single
> line defining cactus.contextURL. Cactus will look for this  property
> either specified on the command line or in a file called 
> '' in the class path so either way will work. I find 
> it easier to manually create the file in the Eclipse output directory 
> but do what you like :)
> Anyway I should probably put this on the Wiki but its too manual IMO 
> right now. If there is enough interest I'll generalize it so that you 
> can deploy the cactus tests from the build file.
> -bd-

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