Error while deploying .EAR file Error 500 Internal server error

[Former Member]

While trying to run an application on NWCE i got this error.

Failed to process request. Please contact your system administrator.

Error Summary

While processing the current request, an exception occured which could not be handled by the application or the framework.

If the information contained on this page doesn't help you to find and correct the cause of the problem, please contact your system administrator. To facilitate analysis of the problem, keep a copy of this error page. Hint: Most browsers allow to select all content, copy it and then paste it into an empty document (e.g. email or simple text file).

For further information about the Web Dynpro error page, error analysis and a description of well-known error situations, see SAP note 1113811.

Root Cause

The initial exception that caused the request to fail, was:

java.lang.UnsupportedClassVersionError: Bad version number in .class file

at java.lang.ClassLoader.defineClass1(Native Method)

at java.lang.ClassLoader.defineClass(ClassLoader.java:654)

at com.sap.engine.boot.loader.ResourceMultiParentClassLoader.loadClassLocal(ResourceMultiParentClassLoader.java:198)

at com.sap.engine.boot.loader.MultiParentClassLoader.findClassInLoaderGraph(MultiParentClassLoader.java:306)

at com.sap.engine.boot.loader.MultiParentClassLoader.loadClass(MultiParentClassLoader.java:256)

... 60 more

[Former Member]

The error has been resolved by changing the compiler version for JAVA from 6.0 to 5.0 as I was using JDK5.0.