At 09:33 AM 3/25/2005 -0500, you wrote:
>Thanks for the reply, James.  I agree with you that it wouldn't be
>non-standard but since I don't maintain our tomcat implementation I was
>looking to see if there might be another way.

Have you looked into using CATALINA_OPTS? Just set said variable as an OS system property and provide any command line arguments you want. Tomcat's scripts will pick this up and add it to the Tomcat startup script. This means you can add custom command line args without having to change the Tomcat distribution at all.

You can also use a ServletContextListener to set up a system property, which you refer to the log4j config file, before manual configuration is performed. Note that autoconfiguration probably would not work in this case since the system property will have been set *after* autoconfiguration has taken place.

>
>Maybe making the logs relative to catalina.home is the right idea.  I
>suppose that my only concern though is that I'm using my primary log file by
>both my web application and another external java application code.  I
>mentioned this a couple days ago and someone suggested that sharing one log
>file between two applications is a bad idea and that the logs would become
>garbled.  Is that really so?  I thought that it was OK to share a log
>between different JVMs since the log includes thread identifiers.
>

As I understand it, the only time you need to worry about File contention is between two separate JVM's. However, you will need to make sure that in one config file you don't set the FileAppender to append=true and append=false in another. So, you might want to point at different files per application even if there is no thread level file contention. You can still log you files relative to catalina.home (or catalina.base), since that is a JVM system variable that Tomcat provides for you automatically at startup.

Jake

>I'm probably going to move the applications that are outside the web
>application to a model whereby they are executed from URLs anyway so in the
>future I suppose that risk will be mitigated.
>
>
>-----Original Message-----
>From: James Stauffer [mailto:[EMAIL PROTECTED]
>Sent: Friday, March 25, 2005 8:38 AM
>To: Log4J Users List; [EMAIL PROTECTED]
>Subject: Re: Where to set exernal property referred to in log4j.properties
>
>On Fri, 25 Mar 2005 00:37:46 -0500, William Noto <[EMAIL PROTECTED]>
>wrote:
>> My operations team is concerned about setting the property externally at
>the
>> user level when we start Tomcat because they do not want to run a
>> non-standard implementation.
>That is equivalent to setting an environement variable and wouldn't
>make it a "non-standard implementation."
>
>>  I have tried a number of things that I thought
>> might work including setting the property through the web.xml's
>> context-param tag and setting it in the <context> at the server.xml level
>> but always without success.
>Can you just use a relative path or chose a path relative to
>${catalina.home} ?
>
>--
>James Stauffer
>Are you good? Take the test at http://www.livingwaters.com/good/
>
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