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You can implement a nice and friendly error handler in your task flow (if you use task flows). This handler captures the error and allows you to navigate back to a page where you can again query the data.1 person found this helpful
Thanks Timo for the response,
I am trying to implement simple error handling in Task flow level.
Is there a way to catch this exception in java layer once thrown from DB layer, so we can communicate user about the reason for the Querying again.
Instead of showing the above mentioned error message.
Have you looked into the docs?
are a good starting point.