Administration guide > Troubleshoot > Messages > CWOBJ: Messages for the ObjectGrid and related components
CWOBJ0042E
EXCEPTION_MAPPER_THROWABLE_IGNORED_CWOBJ0042=CWOBJ0042E: The ExceptionMapper implementation class {0} threw an unexpected exception with the following message: {1}. This exception is ignored.
Explanation
The ExceptionMapper implementation class threw an exception. This is most likely due to an incorrect implementation.
User response
Examine the first failure data capture (FFDC) logs and the implementation class to find out why an exception was thrown, correct the problem and resubmit the operation.
Parent topic:
CWOBJ: WebSphere eXtreme Scale messages for the ObjectGrid and related components