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Curtis,
(Marking OT because this has nothing to do with Tomcat).
On 4/23/2010 11:06 AM, Curtis Garman wrote:
> Does anyone know if it is possible to access the HOSTNAME environment
> variable in a log4j.properties file. Basically I'm using the email appender
> and would like to include the host in the email subject line so I can easily
> determine which server generated the email. I can hard-code this info but I
> was thinking there might be a way that tomcat can read something like
>
> log4j.appender.email.subject=Java Application Error (${HOSTNAME})
If you use a PropertyConfigurator
(http://logging.apache.org/log4j/1.2/apidocs/org/apache/log4j/PropertyConfigurator.html)
you can use system properties, but not environment variables. That
should be easy to work around: add "-Dmyhostname=${HOSTNAME}" to your
startup scripts.
- -chris
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