- **Milestone**: OJ_1.16 --> OJ_future
- **Comment**:

if JVM retrieves a shutdown signal there is little we can do. tried to add 
shutdown hooks and such, but JVM ends uncancellable. no way to show a save me 
dialog .

if we could find a way to catch the Ctrl+C ("kill") signal before it reaches 
the jvm? will tag it as oj_future for now



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** [bugs:#322] OJ stops without warnings on system shutdown**

**Status:** pending
**Milestone:** OJ_future
**Created:** Fri May 24, 2013 08:44 PM UTC by Jukka Rahkonen
**Last Updated:** Mon Aug 31, 2020 05:33 PM UTC
**Owner:** ede


Tested with version 1.6.1 release on Windows.
If there are layers with unsaved edits in OpenJUMP and user ask computer to 
shut down, OpenJUMP is closed without any warnings and unsaved edits are lost. 
For comparison, Kosmo GIS 3.0 is keeping the computer in such a state that 
operating system sends a message that Kosmo prevents the shutdown and asks if 
user wants to cancel or do a forced shutdown. 


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