Oh, well that wouldn't really help things at this point as I think there are still some strange issues in the OSGi support in Log4j anyhow. I'll see if I can take a look at this since we use the same version of Weblogic at my work (thus I actually know a little bit about this application).
On 6 August 2014 16:31, Mike Calmus <m...@calmus.org> wrote: > I don't know for sure, but based upon my reading online it appears that may > be a new feature for 12c which we are not yet using. > > > On Wed, Aug 6, 2014 at 1:33 PM, Matt Sicker <boa...@gmail.com> wrote: > > > Are system libraries in Weblogic loaded as OSGi bundles? > > > > > > On 6 August 2014 11:39, Mike Calmus <m...@calmus.org> wrote: > > > > > After extensive trial and error I think I have things boiled down. In > my > > > list "works" means that I see logging. For some there may be caveats. > > > > > > All tests were run using Weblogic 10.3.6 (a Servlet 2.5 container) > > running > > > on Java 7. There were no difference when using Log4j 2.0 versus 2.0.1. > > > > > > When I load the log4j libraries as a part of the server's startup > classes > > > (out current preferred configuration with Log4j 1.2.x): > > > > > > 1) Standard web-app configuration with configuration file specified in > > > web.xml does not work > > > 2) Configured with JndiContextSelector as the Log4jContextSelector > system > > > property it doesn't work when I have things configured correctly. If I > > > exclude the JNDI lookup environment properties I get an error in the > > System > > > log, but logging works. > > > > > > Removing the Log4j libraries from System startup and instead bundle > them > > > with the application (no other changes) > > > Scenario 1 above now works. > > > The JNDI configuration does not work. > > > > > > > > > > > > > > > On Fri, Aug 1, 2014 at 3:16 PM, Mike Calmus <m...@calmus.org> wrote: > > > > > > > We're using a Servlet 2.5 container and configuration. I added the > > > > Log4jContextSelector environment variable to the container startup as > > > well > > > > as loading all the Log4j 2.0 jars with the container. I added the > > > following > > > > items to my web.xml: > > > > > > > > <context-param> > > > > <param-name>isLog4jContextSelectorNamed</param-name> > > > > <param-value>true</param-value> > > > > </context-param> > > > > <context-param> > > > > <param-name>log4jContextName</param-name> > > > > <param-value>myapp</param-value> > > > > </context-param> > > > > <context-param> > > > > <param-name>log4jConfiguration</param-name> > > > > > > > > > > > > > > <param-value>file:///${sys:projectprops}/myapp/default/log4j2.xml</param-value> > > > > </context-param> > > > > <listener> > > > > > > > > > > > > > > <listener-class>org.apache.logging.log4j.web.Log4jServletContextListener</listener-class> > > > > </listener> > > > > <filter> > > > > <filter-name>log4jServletFilter</filter-name> > > > > > > > > > > > > > > <filter-class>org.apache.logging.log4j.web.Log4jServletFilter</filter-class> > > > > </filter> > > > > <filter-mapping> > > > > <filter-name>log4jServletFilter</filter-name> > > > > <url-pattern>/*</url-pattern> > > > > <dispatcher>REQUEST</dispatcher> > > > > <dispatcher>FORWARD</dispatcher> > > > > <dispatcher>INCLUDE</dispatcher> > > > > <dispatcher>ERROR</dispatcher> > > > > </filter-mapping> > > > > With just this, logging works fine, but I get an error when the JNDI > > > > lookup fails. > > > > > > > > <env-entry> > > > > <description>Sets the logging context for the > web-app</description> > > > > <env-entry-name>log4j/context-name</env-entry-name> > > > > <env-entry-type>java.lang.String</env-entry-type> > > > > <env-entry-value>myapp</env-entry-value> > > > > </env-entry> > > > > The JNDI lookup error goes away but logging stops working. > > > > > > > > I also tried adding the following with no change in results. > > > > > > > > <env-entry> > > > > <description>URL for configuring log4j context</description> > > > > <env-entry-name>log4j/configuration-resource</env-entry-name> > > > > <env-entry-type>java.lang.String</env-entry-type> > > > > > > > > > > > > > > <env-entry-value>file:///${sys:projectprops}/myapp/default/log4j2.xml</env-entry-value> > > > > </env-entry> > > > > > > > > > > > > On Tue, Jul 29, 2014 at 11:37 AM, Ralph Goers < > > > ralph.go...@dslextreme.com> > > > > wrote: > > > > > > > >> The best would be a sample project that demonstrates the problem. > At a > > > >> minimum I would think the web.xml and log4j 2 configuration. > > > >> > > > >> Ralph > > > >> > > > >> On Jul 29, 2014, at 5:47 AM, Mike Calmus <m...@calmus.org> wrote: > > > >> > > > >> > I am having problems moving our web app over to Log4j 2.0 using > JNDI > > > >> > lookups. I followed the configuration documentation and am not > > getting > > > >> any > > > >> > errors, but nothing is being logged to my configured appenders. > > > >> Weirdly, if > > > >> > I remove the JNDI env-entry configuration from web.xml logging > seems > > > to > > > >> > work, albeit with the expected NameNotFoundException in the server > > > >> output. > > > >> > > > > >> > One possibly relevant configuration difference is that we load the > > > log4j > > > >> > jar files as part of server startup so each app doesn't have to > load > > > >> them. > > > >> > > > > >> > Any ideas? What configuration can I provide to help troubleshoot? > > > >> > > > > >> > Thanks. > > > >> > > > >> > > > >> > --------------------------------------------------------------------- > > > >> To unsubscribe, e-mail: log4j-user-unsubscr...@logging.apache.org > > > >> For additional commands, e-mail: log4j-user-h...@logging.apache.org > > > >> > > > >> > > > > > > > > > > > > > > > -- > > Matt Sicker <boa...@gmail.com> > > > -- Matt Sicker <boa...@gmail.com>