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Support Article

ClassNotFoundException during DMa launch

SA-3642

Summary



When launching Deployment Manager (DMa) application for the first time on weblogic 10.3.5, ClassNotFoundException is thrown. The .ear and DMa schema configuration works fine on weblogic 9.2MP3.

Error Messages



Caused By: java.lang.ClassNotFoundException: javelin.jsp.JspFunctionMapper
 at weblogic.utils.classloaders.GenericClassLoader.findLocalClass(GenericClassLoader.java:297)

Steps to Reproduce



User is migrating to new hardware. The underlying database is not being altered.
Deployed the DMA application on the new server ,
Created the data source (tested successfully).
Created new SVN repository, corresponding users and tested the same (the new repository is not configured in DMA yet).
Launched the DMa application


Root Cause



DMa war file contains the pre-compiled jsp/servlets using JDK1.5

Resolution



Below steps are followed:


- start weblogic server (WL) and login to admin console
- undeploy the DMa application
- stop WL managed instance
- remove "tmp" directory under <domain>\<server>

- start WL
- Open the dma_wls_ora.ear in 7-zip or winzip and then delete the jsp_servlet directory and its containing files from “dma_wls_ora.ear\dm.war\WEB-INF\classes\” . Note that jsp_servlet directory contains the pre-compiled JSP files and deletion of this folder, the weblogic will once again compiles the JSPs during the deployment.
- deploy the DMa application using the updated dma_wls_ora.ear
 

Published January 31, 2016 - Updated October 8, 2020

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