josm hangs when saving notes locally

[v73p]

To reproduce this issue:

1. make some changes using josm.
2. while making changes, make some notes
3. upload your changes to the repository
4. use the <alt> > File > Exit menu to exit
5. When prompted, save the notes locally

The josm ui hangs. See attached image.

[v73p]

screen shot of the issue

[Don-vip]

can you please attach your status report as required in newticket? Thanks.

[v73p]

Unable able to attach status as UI is frozen. The "Warning" window is movable but cannot be closed using the "Alt+F4" short cut.

Had to use <CTRL>+C to close task.

---

^{C[INFO] CompositeCacheManager - Shutdown hook activated. Shutdown was not called. Shutting down JCS.
[INFO] ElementEventQueue - Element event queue destroyed: org.apache.commons.jcs.engine.control.event.ElementEventQueue@2523f9a8
[INFO] CompositeCache - In DISPOSE, [TMS] fromRemote [false]
[INFO] CompositeCache - In DISPOSE, [TMS] auxiliary [TMS]
[INFO] CompositeCache - In DISPOSE, [TMS] put 0 into auxiliary TMS
[INFO] AbstractDiskCache - No longer waiting for event queue to finish: Cache Event Queue
Working = true
Alive = false
Empty = true
Size = 0
[INFO] AbstractDiskCache - In dispose, destroying event queue.
[INFO] CacheEventQueue - Destroy was called after queue was destroyed. Doing nothing. Stats = Cache Event Queue
Working = true
Alive = false
Empty = true
Size = 0
[INFO] IndexedDiskCache - Region [TMS] Beginning Optimization #1
[INFO] IndexedDiskCache - Region [TMS] Defragmentation took 7352ms.. File Size (before=522081154) (after=522081154) (truncating to 514719103)
[INFO] IndexedDisk - Truncating file home/venkat/.josm/cache/tiles/TMS.data to 514719103
[INFO] IndexedDiskCache - Region [TMS] Finished #1 Optimization took 7416ms.
[INFO] IndexedDiskCache - Region [TMS] Saving keys to: TMS, key count: 74748
[INFO] IndexedDiskCache - Region [TMS] Finished saving keys.
[INFO] IndexedDiskCache - Region [TMS] Shutdown complete.
[INFO] CompositeCache - In DISPOSE, [TMS] disposing of memory cache.}

---

Please provide any additional information below. Attach a screenshot if possible.

Repository Root: http://josm.openstreetmap.de/svn
Build-Date: 2015-10-30 02:32:24
Last Changed Author: Don-vip
Revision: 8969
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Relative URL: ^/trunk
URL: http://josm.openstreetmap.de/svn/trunk
Last Changed Date: 2015-10-29 22:15:23 +0100 (Thu, 29 Oct 2015)
Last Changed Rev: 8969

Identification: JOSM/1.5 (8969 en) Linux Mint 17.2 Rafaela
Memory Usage: 773 MB / 1774 MB (628 MB allocated, but free)
Java version: 1.7.0_85, Oracle Corporation, OpenJDK 64-Bit Server VM
Java package: openjdk-7-jre:amd64-7u85-2.6.1-5ubuntu0.14.04.1
Dataset consistency test: No problems found

Plugins:
- areaselector (263)
- ext_tools (31603)
- geochat (31694)
- log4j (31603)
- routing (31694)
- todo (29154)

[Don-vip]

In 13115/josm:

fix #12086 - fix EDT violation when no file exporter is found + choose note exporter by default when saving a note layer