Tag Archives: WebSphere

Log4J “NoSuchMethodError” for org/apache/log4j/Logger.trace(Ljava/lang/Object;)V

My application uses log4J and when I deployed to our development server, I was getting the following exception: CNTR0020E: EJB threw an unexpected (non-declared) exception during invocation of method “onMessage” on bean “BeanId(LoggingEAR#LoggingEJB.jar#LoggingExceptionMDB, null)”. Exception data: java.lang.NoSuchMethodError: org/apache/log4j/Logger.trace(Ljava/lang/Object;)V At first, I believed that this was caused by Log4J not being on the classpath in ear. […]

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WebSphere Application Server and The Spring Framework

I’m in the process of skilling up on the spring framework used within the Websphere application server container. What I have amassed so far are a ton of links to various tutorials and developerWorks articles that answer a few questions: What is Spring? Why do I want to use it? How do I use it? […]

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IBM Tivoli Composite Application Manager for SOA (ITCAM)

My background to Business Integration and SOA has come from the ‘top-down’. I was a UI developer for Message Broker’s Flow user interface. Next I was the build guy for WebSphere Application Developer Integration Edition. After that I was again a UI developer for the Integration Test Client in WebSphere Integration Developer. I moved over […]

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The WebSphere Exception Trace: Deconstructed

If you’ve worked developing an application for more than five minutes, chances are that you’ve encounter a big long exception trace. The best thing to do is try to look at the very top for a non-generic exception that relates to your problem. This article will attempt to describe exactly what happened via the information […]

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