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See How do I use log4j.properties or log4j.xml instead of using the logging subsystem configuration?

WebLogic 9 conflict with JDOM library

WebLogic 9 also ships with an old version of JDom which later leads to issues in parsing of XML documents. Issues will be noted as exceptions such as:

java.lang.NoSuchMethodError: org.jdom.Element.getParent()Lorg/jdom/Element;
   at org.jaxen.jdom.DocumentNavigator.getParentAxisIterator(DocumentNavigator.java:252)
   at org.jaxen.DefaultNavigator.getParentNode(DefaultNavigator.java:275)
   at org.jaxen.expr.NodeComparator.getDepth(NodeComparator.java:164)
   at org.jaxen.expr.NodeComparator.compare(NodeComparator.java:107)
   at java.util.Arrays.mergeSort(Arrays.java:1284)

To resolve, provide newer JDOM/Jaxen libraries by adding jdom-1.0.jar, jaxen-1.0-FCS-full.jar, xom-1.1.jar and saxpath-1.0-FCS.jar to PRE_CLASSPATH variable in the setDomainEnv.sh script.

WebLogic 10 conflict with commons-lang library

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