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Chris,
On 2/9/12 2:40 PM, C C wrote:
> To test, I created a webapp with a single servlet,
> ExceptionServlet, that simply throw a ServletException in its
> service() method, e.g.:
>
> public class ExceptionServlet extends HttpServlet { protected void
> service(HttpServletRequest arg0, HttpServletResponse arg1)
>
> throws ServletException, IOException { throw new
> ServletException("HEY SERVLET EXCEPTION"); } }
>
>
> Further, the webapp uses log4j (1.2.16) and commons-logging
> (1.1.1). The log4j.properties for the webapp looks like this:
>
> log4j.rootLogger=INFO,A
> log4j.appender.A=org.apache.log4j.RollingFileAppender
>
> log4j.appender.A.file=/opt/personal/logs/ex/ex.info.log
> log4j.appender.A.layout=org.apache.log4j.PatternLayout
> log4j.appender.A.layout.conversionPattern=%m%n
> log4j.appender.A.maxFileSize=10MB
> log4j.appender.A.maxBackupIndex=10
So log4j.properties is located in WEB-INF/classes?
Where is log4j.jar?
Do you have any other code in this example webapp -- for instance,
something that actually loads the log4j.properties file?
In order to use log4j with Tomcat 6.0 and 7.0, you need to download
some Tomcat "extras" as described here:
http://tomcat.apache.org/tomcat-7.0-doc/logging.html#Using_Log4j
So if you haven't done that, then log4j will not be used at all,
unless you have both written some code to initialize log4j during
webapp startup and written an error handler to capture errors and log
them to some kind of log.
> In a default deployment of Tomcat 5.5.26, I drop the webapp in the
> webapps directory, start up Tomcat, and call the ExceptionServlet.
> The resultant exception message and stack trace appear in the log
> file specified by the webapp's log4j.properties file, as I would
> expect.
I wouldn't expect that at all, unless your log4j.properties file lives
at the server level and not at the webapp level. So, which is it?
- -chris
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