Paused by expection because of executing a node 1000 times

Question

I have a script task in my process model which will check whether the task is accepted in the process report. If its not accepted it will execute again.If the task is accepted it will write the task owner name to DB. Once 1000 instance is done I'm getting paused by exception error.

Mike Schmitt · Answer

Do you have a timer node set in between separate executions of the loop? How often are you having it re-check? 
 Edit: judging from your screenshot it appears you don't have a timer on the re-execution flow. You absolutely need a timer here, or else your process model will essentially do everything in its power to execute all 1,000 allowed instances all at once . If there wasn't the 1,000 execution circuit breaker in place, then your system could experience noticeable degradation in performance as any instances of this process would be essentially executing unbounded infinite loops while waiting for task acceptance. 
 Now, if you place a timer that waits, say, 5 minutes between executions, several days would elapse before the 1,000 execution limit is reached. I believe in almost all cases this would be sufficient, and it would be dramatically less damaging to your system performance (i.e. basically nothing).

Paused by expection because of executing a node 1000 times

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