The CICS region hangs during a debugging session using CA InterTest for CICS release 9.1.

Document ID : KB000006607
Last Modified Date : 14/02/2018
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While an application programmer was attempting to debug a large application program, the CICS region hung and needed to be recycled. 

InterTest for CICS 9.1, CTS 4.1.

The EDSALIM was too small.  For CTS/TS 4.1, the default is 34M, this region was set at 42M. 


Increase the EDSALIM.  The recommendation was to increase it to 90M which resolved the problem. 

Additional Information:

Refer to the EDSALIM system initialization parameter as described in the IBM Knowledge Center