Replacing a class file

[none none <bi...@yahoo.com>]

Hello,
 I am very new to tomcat, I hope someone is able to help me out.
 
There is a Java application sitting in one of the servers and I have been asked to modify some code in there.
 I figured out that the code need to be changed is in one of the class files, so I found the java source code, modified it on my desktop, compile it then I simply replaced the old class file with the new one under WEB-INF.
 
 Now, I did a "service tomcat restart" command, but the change didn't take effect. I am totally confused and don't know what to do. How do I make tomcat pick-up the new class file?
 
Any help would be great.
Thank you.

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Re: Replacing a class file

[Tim Koop <gr...@timkoop.com>]

That sounds like it should work to me.  I do the same thing every day.

Perhaps this code has also been compiled into a jar and is sitting in 
WEB-INF/lib or tomcat/shared.

Or try deleting the files in the tomcat/work directory. I think 
technically this shouldn't fix it, but it doesn't hurt if you're desperate.

And of course check all the obvious things like: Are you sure you are 
copying the new class file? Are you sure you saved the java file when 
you compiled it?  Are you sure you are putting it in the right 
directory?  Perhaps you have more than one web app/web site on your 
server.  If you have more that one instance of Tomcat running maybe you 
restarted the wrong one.  Check file permissions.  Maybe the new class 
is actually running and the changes you made to the java file don't 
actually fix the problem.

Tim Koop



none none wrote:

>Hello,
> I am very new to tomcat, I hope someone is able to help me out.
> 
>There is a Java application sitting in one of the servers and I have been asked to modify some code in there.
> I figured out that the code need to be changed is in one of the class files, so I found the java source code, modified it on my desktop, compile it then I simply replaced the old class file with the new one under WEB-INF.
> 
> Now, I did a "service tomcat restart" command, but the change didn't take effect. I am totally confused and don't know what to do. How do I make tomcat pick-up the new class file?
> 
>Any help would be great.
>Thank you.
>
>__________________________________________________
>Do You Yahoo!?
>Tired of spam?  Yahoo! Mail has the best spam protection around 
>http://mail.yahoo.com 
>  
>

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