Error : java.lang.String.equals(java.lang.Object) of an object loaded from local variable 'currentEngineName'

Hi Experts,

I am using NWDS 7.3 SP17 PAT2 to develop my Integration Scenarios.

I have created simple Message Translator iFlow with Sender-File and Reciever-JDBC but while activating I am getting below error.

ERROR of type RUNTIME_EXCEPTION for iFlow_<name>

Details: while trying to invoke the method java.lang.String.equals(java.lang.Object) of an object loaded from local variable 'currentEngineName'.

Please help me solving this issue, and suggest if any specific setting is required.

Thanks,

Vikas