[SOLVED] Gracefully exit a system.db.runPrepQuery or system.db.runPrepUpdate script statement

Use a try - except code block. Catching exceptions is a standard feature of python, like pretty much any modern programming language.

https://docs.python.org/2.7/reference/compound_stmts.html#the-try-statement

Note that if you specify the generic python Exception class in your except clause, you won't catch java-specific exceptions. You would need an extra except clause:

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