OK, can you confirm all classes are compiled with 1.6?:-

The error message suggests something (perhaps Fatca_Process) has been compiled with 1.7, which would cause the "Unsupported major.minor version 51.0" error.

java.lang.

UnsupportedClassVersionError:
Fatca_Process/Process_Fatca_Process_Fatca_integration_queue_f06d3a378a5f49d5b7589aae2c0b686eReturnValueEvaluator7Invoker
: Unsupported major.minor version 51.0
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:620)
...

On 9 October 2012 10:00, abhinay_agarwal <abhinay_agarwal@infosys.com> wrote:

i have been using java 6 from the start..

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