Once you set the property value as false, the application will not exit JVM even if there is an error in the execution of SQLJ tools, and you can continue with execution of your application.

If execution occurs over extended periods of time, then care must be taken to ensure no false errors are introduced by timing and data synchronization issues.

Boolean expressions are intended precisely to express background contract express runtime true or false properties-properties that at any point in the execution may hold or not hold.