Top 10 solution documents for Weblogic Server J2EE by the support team

The following are the top 10 documents that are linked to SRs as solutions, for Weblogic Server J2EE issues, during the last quarter.


WLS 10.3: Intermittent XA error:XAResource.XAER_RMERR WebLogic server keeps track of the usage of XA resources. If none of the outstanding requests to the resource was replied in the last maxXACallMillis ms, the resource is declared unhealthy. In this state, XAER_RMFAIL is returned to all requests to the resource without actually making the call to the resource.


WLS – How to supress servlet/JSP version details In WebLogic HTTP response header
The string "X-Powered-By: Servlet/2.4 JSP/2.0" is showing up in the servlet response header.
How to stop Weblogic from including servlet/JSP version details in the x-powered-by HTTP response header.


‘XAER_NOTA’ ERROR ON WLS SERVER. The value for ‘DISTRIBUTED_LOCK_TIMEOUT’ on Oracle Database is set lower than the JTA timeout on WLS. If timeout setting is not tuned properly on the database then ‘XAER_NOTA’ is seen in the logs.


How To Redirect HTTP Error Responses To Customize Page The note provides a sample to redirect HTTP status code to customized page. Also a few tests with expected output.


WARNING: Registering extension failed This isssue has been tracked in Defect 17246737. CLASSNOTFOUNDEXCEPTION IS THROWN BY REGISTERING ADDRESSINGEXTENSIONREGISTRY.


Sample on how to access WEBAPP & EJB deployed as shared libraries from an EAR file. Trying to access an WEBAPP and EJB as library from an EAR fileWebAPP-1(Deployed as Ear ) —–> WebAPP-2((Deployed as Shared library) —–> EJB((Deployed as Shared library).
This sample guides on how to invoke webapp and EJB which are deployed as libraries from a separate EAR file.


Get application root path correctly on environment that deploy application both with war and directory If deployment mode is nostage, we can deploy web application with war format, when deploy web application with war format, WebLogic copy files in the war to temp directory(_WL_user), and load all files from the temp directory, when deploy web application with directory mode, WebLogic just copy a part of files to temp directory, and many files such as jsp, servlet and config files do not copy to temp directory, and WebLogic load files from the application directory


Loading Order of Sibling Jar Files in WebLogic A Web application contains two libraries (lib1.jar and lib2.jar) in WEB-INF\lib. Same Java classes and resources files exist in both libraries. The question is to know which library will be loaded when loading these classes or resources files.


WLS12.1.1: NullPointerException in Glassfish JAXB V2.2.4 Following document to specify the Glassfish RI implementation of JAXB 2.2, modules/databinding.override_1.0.0.0.jar has been added to the front of their server CLASSPATHs. However, upon redeployment of their web service applications, error is received, which matches the problem described in this thread:


ServletContainerAdapter Manager Not Initialized Correctly When Using Log4j When log4j config file is added to Weblogic classpath with the default file name log4j.xml, the below error is noticed in the log file: [org.apache.beehive.netui.pageflow.internal.AdapterManager] [[ACTIVE] ExecuteThread: ‘3’ for queue: ‘weblogic.kernel.Default (self-tuning)’] [ERROR] [ServletContainerAdapter manager not initialized correctly.]


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