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List: japple-user
Subject: Re: [japple-user] Debugging
From: Patrick Larmore <plarmore () saucontech ! com>
Date: 2002-02-25 23:28:04
[Download RAW message or body]
So far, we are very happy with the Eclipse product. It has a few bugs
here and there but nothing that stops us from getting things done.
We were previously using Visual Age for Java and liked it's heirarchy
views and strong debugging capabilities. The debug capabilities even
include the ability to debug jsp servlet classes although it took quite
a bit of time to set up (haven't tried this on eclipse).
Eclipse is an equivalent environment although we are still waiting for
the hot swap to work in the debugger (JDK 1.4 support).
Also, you have to get use to somethings in the Eclipse GUI (for
instance-- perspectives) but all IDEs take some getting use to.
One other note, you'll need enough memory (75 M - 100 M) to run well.
The only real performance hit is the compiling of the JSP which we can
understand.
Try it out. If you have questions, shoot them over to us and we'll try
to answer them.
Eclipse or Apache may have a Tomcat how to now, but if they don't
.....I would suggest the following step as a high level guide.....
1. Create a project in Eclipse called Tomcat.
2. Install tomcat right into that directory which will be in the
Eclipse Workspace (workspace directory under the eclipse install).
3. Go to the Tomcat project in Eclipse and "Refresh from local" and it
will load all the files into the project.
4. On the Tomcat project go to "Properties"/ "Java Build Path" and add
all libraries that Tomcat need to run including the japple.jar and other
jars in our distribution.
5. Drill down to the class org.apache.catalina.startup.StartBootStrap
and go to "Properties"/"Execution Arguments"
set program arguments -> start
set vm argumants -> -Dcatalina.home="d:\eclipse\workspace\tomcat"
-Dcatalina.base="d:\eclipse\workspace\Tomcat"
Note: .... d:\eclipse is the location of the eclipse install.
6. Launch the StartBootStrap class.
to shut it down.
7. Set the same properties on the StopBootStrap class and execute it.
One other note..... on debugging JSPs.
We find that printing things out on the stream is very effect to see
where it fails.
We also frequently comment out chuncks of code to isolate the offending
code.
We have found that debugging is most aggrevating thing about JSPs!!!!
and as stated by Mark, we try to keep our JSP as simple as possible.
Also, most of our JSP is pure java and the html comes from the template.
- Patrick Larmore
Michael Schulz wrote:
>
>
>Well, Forte has improved quite a bit over the last six months.
>Unfortunately, it still contains Tomcat 3.2 for the embedded web server.
>I'll have to look at what it would take to use a Tomcat 4.0 web server with
>Forte.
>
>How stable is the Eclipse product? Is it a version 1.0 product? Are there
>plugins for Tomcat? What is the performance like?
>
>-Michael Schulz
>
>
>
>-----Original Message-----
>From: japple-user-admin@japple.org
>[mailto:japple-user-admin@japple.org]On Behalf Of Mark Deneen
>Sent: Monday, February 25, 2002 3:11 PM
>To: japple-user@japple.org
>Subject: RE: [japple-user] Debugging
>
>
>I took a look at forte about 6 months ago, and almost got tomcat running
>in it. :-)
>
>At the time, the embedded tomcat was the 3.x series, though.
>
>Maybe I'll take a look at Forte again this weekend.
>
>-M
>
>On Mon, 25 Feb 2002, Michael Schulz wrote:
>
>>Have you heard of anyone using Forte as their IDE with japple? Forte has
>>
>an
>
>>embedded version of Tomcat for debugging and testing, so I would think it
>>would work ok. I use Forte, so I'll give it a try.
>>
>>-Michael Schulz
>>
>>
>>-----Original Message-----
>>From: japple-user-admin@japple.org
>>[mailto:japple-user-admin@japple.org]On Behalf Of William G. Thompson,
>>Jr.
>>Sent: Monday, February 25, 2002 2:01 PM
>>To: Mark Deneen
>>Cc: japple-user@japple.org; japple-eng@japple.org
>>Subject: Re: [japple-user] Debugging
>>
>>
>>Mark,
>>
>>Didn't someone put together a doc on the steps to get japple running in
>>eclipse? or pehaps I was dreaming that... :)
>>
>>Bill
>>
>>--
>>William G. Thompson, Jr.
>>Chief Japple Evangelist | www.japple.org
>>Saucon Technologies
>>bthompson@saucontech.com | +1 908 947 7145 | www.saucontech.com
>>
>>Mark Deneen wrote:
>>
>>>Our feeling is that the JSP should be fairly simple. If we are doing
>>>complex logic in JSP, then it should be moved into a japple Service.
>>>
>>>You can run Tomcat from within an IDE such as Eclipse [www.eclipse.org]
>>>(which is what we use here)
>>>
>>>If you are running Tomcat, and consequently japple, inside Eclipse, you
>>>can debug your japple Service by setting breakpoints, etc.
>>>
>>>If there is a problem with something outside your service, like a bug
>>>
>in
>
>>>japple.. please report it to us. If you are feeling ambitious, get
>>>
>japple
>
>>>running in Eclipse and get to know the japple classes. There are a lot
>>>of them, but they usually pretty understandable if you take some time
>>>
>to
>
>>>look
>>>at them.
>>>
>>>If you don't want to set up a java debugger, you can always fall back
>>>
>to
>
>>>the somewhat reliable out.write() calls to see what gets done before it
>>>blows up. :-)
>>>
>>>-M
>>>
>>>On Mon, 25 Feb 2002, Michael Schulz wrote:
>>>
>>>
>>>>What is the best way to debug applications built using japple? I
>>>>
>suppose
>
>>>>the familiar process of setting breakpoints in my java servlet code
>>>>
>won't
>
>>>>apply here....?
>>>>
>>>>-Michael Schulz
>>>>
>>
>>
>>
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>>http://www.japple.org/mailman/listinfo/japple-user
>>
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>>
>
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>
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