18.5. JNI tracing
JNI trace is useful in determining what caused an ECI_ERR_XXX condition. The JNI trace captures the interaction of the Gateway daemon and the EXCI (External CICS Interface) to enable CTG and host CICS communication/interaction problem diagnosis. The JNI trace can also be used to assist with RACF® authentication problems where the return from RACF is shown in the trace, and this can be used to determine reasons for security failures. The JNI trace will also be helpful in identifying system-related configuration problems on CTG for z/OS. It is less suited to application-related errors, where Application trace or Gateway daemon trace can more effectively provide detailed information about each request.
JNI tracing is enabled for ...
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