"As you can see in the stack trace, there is a NullPointerException which indicates that an object that should be worked on has a NULL value during the processing.
This exception is thrown by a method named com.wily.introscope.agent.sqlagent.hc2.ResultSetCloseTimer.ITracer_finis hTrace.
Obviously, something goes wrong during the method execution. Wily Introscope is a performance monitoring offering by CA Technologies that is often used in WebSphere Application Server.
We assume that a certain tracing feature fails but since this is third-party code, I am afraid it is out of our support scope. I can only recommend that you disable Wily Introscope for now and maybe consult -How to proceed?
CA Support to investigate the actual root cause. The Introscope agent is usually enabled using JVM options passed to the Application Server runtime environment, so it should be sufficient to remove those options to deactivate it.