Recompiling jsp; Problems with Access Denied errors after I edit a file in a webapp; Admin app

[Karr, David]

I've been away from Tomcat for a while, and just tried setting up 5.5.9
on WinXP, with JDK1.5.0_2.  It's working reasonably well, but I'm having
some issues.

First of all, what is the admin app?  It's obviously different from
manager, but I can't find any information about it.  When I try to
execute it, it says I must download and install the admin package.  I
found a reference in tomcat-user to the Admin tool which shows how you
install it once you get the installer, but nothing about where to get
the installer, or even what the admin app does.

After I installed Tomcat, I deployed an app through the Manager app,
from a directory and context, not uploading a WAR.  It confused me later
when I tried changing one of the JSP files in the directory, and it
wouldn't get recompiled.  I later realized that deploying from a
directory actually copies the tree from that directory into the
webapps directory inside the Tomcat distribution.  Is it feasible to
have the actual webapp location be outside of the Tomcat distribution?
This is more realistic in a development situation.

The most bizarre thing is that I've twice tried to edit files in the
Tomcat distribution, being the conf/web.xml and then later the JSP
file for my application stored in the webapp directory, and that seems
to cause Tomcat to fail with Access denied errors on the files that I
edited.  After I change the file, I've made sure my reference to the
file was closed, from the editor I was using.  I even tried restarting
the box, and surprisingly, that had no effect.  It still got Access
Denied errors.  The only thing I could do was undeploy the app (in the
case of the the JSP file) and redeploy it, or in the case of the
conf/web.xml, I had to completely uninstall Tomcat and reinstall it.

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RE: Recompiling jsp; Problems with Access Denied errors after I edit a file in a webapp; Admin app

[Caldarale, Charles R]

 From: Karr, David [mailto:[EMAIL PROTECTED] 
 Subject: Recompiling jsp; Problems with Access Denied 
 errors after I edit a file in a webapp; Admin app
 
 First of all, what is the admin app?

The admin app lets you view and manipulate nearly all Tomcat
configuration values.  It's a web-based interface to the myriad of .xml
files.

 it says I must download and install the admin package.

The admin package is the .zip file called, cleverly enough, admin on
the Tomcat download page.  Just download and unzip it, using the same
base directory in which Tomcat is installed.

 Is it feasible to have the actual webapp location be outside of the 
 Tomcat distribution?

Yes, read the how-to on deployment.

 that seems to cause Tomcat to fail with Access denied errors on the 
 files that I edited.

I suspect you're running Tomcat as a service, with its own account (by
default, SYSTEM).  When you edited the file under your account, the
ownership changed, and Tomcat no longer had access.  You should be able
to fix this by specifying the proper security on the directories and
files you want Tomcat to use.

 - Chuck


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