Tried 1.2.8, and I still get the exact same error.
Andy Nguyen
[EMAIL PROTECTED] on 01/06/2004 09:55:39 AM
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Subject: Re: Problems with DOMConfigurator and WebLogic 6.1 SP4
Thanks, I'll give it a shot.
Andy Nguyen
Ceki G�lc� <[EMAIL PROTECTED]> on 01/05/2004 05:27:43 PM
Please respond to "Log4J Users List" <[EMAIL PROTECTED]>
To: "Log4J Users List" <[EMAIL PROTECTED]>
cc:
Subject: Re: Problems with DOMConfigurator and WebLogic 6.1 SP4
First check if using log4j 1.2.8 makes a difference.
At 03:37 PM 1/5/2004 -0500, [EMAIL PROTECTED] wrote:
>I am using log4j 1.2.7 with a web application under WebLogic 6.1 sp4. I
>just recently switched from using log4j.properties to log4j.xml in order
to
>use an asynchronous appender. I'm running into a problem that I hope
>someone on this list can help me with.
>
>The first class that accesses log4j is a ServletContextListener. My
>getLogger call is failing:
>
>private static final Logger log =
>Logger.getLogger(MyServletContextListener.class);
>
>I've turned on log4j.debug, and here's what I get in my console output:
>
>--BEGIN CONSOLE OUTPUT--
>log4j: Trying to find [log4j.xml] using context classloader
>[EMAIL PROTECTED]
>log4j: Trying to find [log4j.xml] using
>[EMAIL PROTECTED] finder:
>[EMAIL PROTECTED] class loader.
>log4j: Using URL
>[file:/home/anguyen/applications/myapp//WEB-INF/classes/log4j.xml] for
>automatic log4j configuration.
>log4j: Preferred configurator class: org.apache.log4j.xml.DOMConfigurator
>log4j: System property is :null
>java.lang.ExceptionInInitializerError: java.lang.ClassCastException:
>weblogic.xml.jaxp.RegistryDocumentBuilderFactory
> at javax.xml.parsers.DocumentBuilderFactory.newInstance(Unknown
>Source)
> at
>org.apache.log4j.xml.DOMConfigurator.doConfigure(DOMConfigurator.java:644)
> at
>org.apache.log4j.xml.DOMConfigurator.doConfigure(DOMConfigurator.java:616)
> at
>org.apache.log4j.xml.DOMConfigurator.doConfigure(DOMConfigurator.java:602)
> at
>org.apache.log4j.helpers.OptionConverter.selectAndConfigure(OptionConverter.java:460)
> at org.apache.log4j.LogManager.<clinit>(LogManager.java:113)
> at org.apache.log4j.Logger.getLogger(Logger.java:94)
> at
>com.itgssi.MyServletContextListener.<clinit>(MyServletContextListener.java:35)
> at java.lang.Class.newInstance0(Native Method)
> at java.lang.Class.newInstance(Class.java:237)
> at
>weblogic.servlet.internal.WebAppServletContext.registerEventListener(WebAppServletContext.java:1997)
> at
>weblogic.servlet.internal.WebAppServletContext.initFromDescriptors(WebAppServletContext.java:1444)
> at
>weblogic.servlet.internal.WebAppServletContext.init(WebAppServletContext.java:940)
> at
>weblogic.servlet.internal.WebAppServletContext.<init>(WebAppServletContext.java:875)
> at
>weblogic.servlet.internal.HttpServer.loadWebApp(HttpServer.java:503)
> at weblogic.j2ee.WebAppComponent.deploy(WebAppComponent.java:77)
> at weblogic.j2ee.Application.addComponent(Application.java:174)
> at weblogic.j2ee.J2EEService.addDeployment(J2EEService.java:117)
> at
>weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentTarget.java:364)
> at
>weblogic.management.mbeans.custom.DeploymentTarget.addDeployment(DeploymentTarget.java:150)
> at
>weblogic.management.mbeans.custom.WebServer.addWebDeployment(WebServer.java:76)
>[rest of stack trace removed for brevity]
>
>--END CONSOLE OUTPUT--
>
>I have placed log4j.xml in WEB-INF/classes and log4j.jar in WEB-INF/lib.
I
>think I'm running into a class loader issue, but I'm not sure. I do have
a
>newer version of xerces in my WEB-INF/lib than what comes with WebLogic,
>and I think this is causing the CCE. I tried specifying
>
-Djavax.xml.parsers.DocumentBuilderFactory=org.apache.xerces.jaxp.DocumentBuilderFactoryImpl,
> but all this did was change the CCE message to
>"org.apache.xerces.jaxp.DocumentBuilderFactoryImpl". My guess is that
>DOMConfigurator is expecting DocumentBuilderFactory.newInstance to return
a
>DocumentBuilderFactory loaded from the webapp class loader, but xerces
uses
>the system class loader when locating/instantiating the
>DocumentBuilderFactory. Has anyone experienced this behavior? Any clues
>no how I can get around this? Any help is appreciated.
>
>Regards,
>
>Andy Nguyen
>
>
>
>
>
>
>
>
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