Hello all --
I have a configuration problem on my setup of Tomcat (v 4.0.3). I am
managing this machine for my university's CS department, so there are
issues of security that must be followed, namely that students should
not be able to view each others source code (== cheating). We are using
the security manager to enforce this (so one context cannot open files
in another).
Less than 5% of the pages on the system are static, so we are using
Tomcat in standalone mode on a Linux system. We have made contexts for
each user so that we can override the location of home directories, log
files, etc. Note that students do not have logins on this machine;
their Tomcat-related files are exported to student use machines. See
the bottom of this email for pertinent config info.
The server starts up correctly (./startup.sh -security) and deploys and
serves the webapps fine. But here's the problem: when a user decides to
make a new jsp file, Tomcat cannot compile or process that new file.
The old files in the directory still display properly; Tomcat gives a
Permission Denied error citing the working directory version of the new
file in question.
-> message
/usr/local/jakarta-tomcat-4.0.3/work/localhost/user/tomcat/webapps/jsp/graderFiles/graderC$jsp.java
(Permission denied)
Here's some site-specific config info that will be useful.
Tomcat version: 4.0.3 Standalone from binaries
There are about 250 contexts that get loaded when the server starts. A
`ps aux` listing shows about 500 processes associated with Tomcat
running. The machine is a P3-800 with 512 MB of memory, and does not
have any other heavy services running on it, so Tomcat has full run of
the box. If you need more info for diagnosis, email me and I will
provide it.
Does anyone have experience setting up a system along these lines? I
realize it's probably an extension of what Tomcat is supposed to be used
for with all the different contexts, but there has to be a way! Any
help is appreciated.
server.xml without comments
===========================
<Server port="8005" shutdown="SHUTDOWN" debug="0">
<Service name="Tomcat-Standalone">
<Connector
className="org.apache.catalina.connector.http.HttpConnector"
port="8080" minProcessors="5" maxProcessors="75"
enableLookups="true" redirectPort="8443"
acceptCount="10" debug="0" connectionTimeout="60000"/>
<Engine name="Standalone" defaultHost="localhost" debug="0">
<Logger className="org.apache.catalina.logger.FileLogger"
prefix="catalina_log." suffix=".txt"
timestamp="true"/>
<Host name="localhost" debug="0" appBase="webapps"
unpackWARs="true">
<!-- user1 -->
<Context path="/user1" docBase="/tomcat/user1"
debug="0" reloadable="true" crossContext="false">
</Context>
<!-- user2 -->
<Context path="/user2" docBase="/tomcat/user2"
debug="0" reloadable="true" crossContext="false">
</Context>
</Host>
</Engine>
</Service>
</Server>
===========================
Thanks in advance for any help you can provide. Apologies for the
lengthy email.
Pat Schaider
doctor {at} wt {dot} net
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