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Chuck,
Thanks for the response.
On 3/19/2010 6:38 PM, Caldarale, Charles R wrote:
> I'd be somewhat reluctant to see that behavior changed at this stage
> of the game. I'd prefer to have an additional environment variable
> that allows specifying where the policy file is rather than requiring
> it to be in $CATALINA_BASE/conf/catalina.policy.
Fair enough: I was just surprised to see that Tomcat easily allows you
to get yourself into an impossible situation.
>> In the InitListener.java class, I basically just try to create a log4j
>> logger like this:
>>
>> Logger.getLogger(className)
>>
>> In both of these situations, Tomcat ought to be able to load the
>> classes required.
>
> It may be that the real exception is getting eaten somewhere
> (possibly inside the JRE), and all you're left with is something a
> bit too generic to describe the actual problem. Perhaps either the
> static initializer or a constructor is failing due to read access
> being inhibited.
>
> Might want to try adding something like this to the catalina.policy
> file:
>
> grant codeBase "file:${catalina.base}/webapps/[appName]/WEB-INF/lib/-" {
> permission java.io.FilePermission \
> "${catalina.base}/webapps/[appName]/WEB-INF/classes/logging.properties",
> "read";
> };
Unfortunately, I don't have a WEB-INF/classes/logging.properties file,
though it's non-existence might still cause an access violation if the
code is trying to read it.
I think the LogManager has probably already read my file (it's
WEB-INF/classes/commons-logging.properties), since the entirety of the
file is this:
org.apache.commons.logging.Log=org.apache.commons.logging.impl.Log4JLogger
The above reference to Log4JLogger is likely to be the source of the
problem, so I suspect the file has already been read.
Since the code is mine, I can easily instrument it and see what thread's
context class loader is at the time.
Any other suggestions?
Thanks,
- -chris
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