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How to reproduce: 1) Create a JDBC Connection 2) Invoke View Data popup menu action on some big table (big means more than 200 rows) 3) NOTE - Fetch Data dialog should appears 4) Press Escape key 5) ERROR - Error dialog is shown with message "Unable to execute query , null" or with message "Unable to execute query, java.lang.Integer". At least change message on Error dialog. Best if Escape key would have the same mean as pressing No button.
*** Issue 33402 has been marked as a duplicate of this issue. ***
*** This issue has been marked as a duplicate of 38382 ***
It is really the same issue.