ClassNotFound on Jdev11g for ADF web application
I recently installed version jdev11g release on my environment. My ADF web application is deployed on weblogic server (by default). When I try to access a page, I keep getting ClassNotFoundExceptionCaused by: java.lang.ClassNotFoundException: org.apache.log4j.Logger
in java.net.URLClassLoader$ 1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged (Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
I had checked double I have log4j - 1.2.14.jar in my class path. This app worked fine when I had the technology review version of Jdev11 using OC4J instead of Weblogic.
I also create a simple java application that uses same as pots used on my ADF web application and I only see ClassNotFoundException. The two application has the same external jars in the classpath.
I'm not sure on exactly what is happening here, it would be great if someone can help and give me a few pointer on this
Thank you
Tony
Did you read this part:
There is a second possible problem that is specific to the commons-logging and related libraries when it is used with integrated WLS and out-of-the-box configuration (including ADF). Because commons - logging.jar is apparently in the system classpath, attributable to the delegation of the ClassLoader Java works, all log4j at the level of the web application are not visible to the factory default journal. As long as this is the case, you may need to add the following to your web application WEB - INF / weblogic.xml:
What it does is tell the servlet JSP WLS to let the web application classes to ignore the classes in the system class loader. Standard Java class loader delegation gives priority to system classes.
Tags: Java
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