convert gpx-layer to data-layer not working if in session.joz

[MKnight]

What steps will reproduce the problem?

1. Add a GPX-Layer
2. Save as session
3. mark "add" (hinzufügen) instead local file
4. Close/open Session
5. go to convert gpx to data layer

What is the expected result?

Convert GPX to data layer (or alternatively not possible to use this function)

What happens instead?

Nothing AND Program Error

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

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

Identification: JOSM/1.5 (8969 de) Windows 7 64-Bit
Memory Usage: 276 MB / 1353 MB (139 MB allocated, but free)
Java version: 1.8.0_60, Oracle Corporation, Java HotSpot(TM) Client VM
Program arguments: [de-josm-kreise.joz]

Plugins:
- Mapillary (31694)
- OpeningHoursEditor (31696)
- RoadSigns (31694)
- apache-commons (31718)
- apache-http (31687)
- buildings_tools (31694)
- continuosDownload (1446070193)
- jts (31603)
- log4j (31603)
- measurement (31694)
- pbf (31694)
- public_transport (31646)
- reltoolbox (31694)
- reverter (31694)
- scripting (30722)
- tag2link (31603)
- terracer (31694)
- turnlanes (31603)
- turnrestrictions (31694)
- undelete (31603)
- utilsplugin2 (31694)
- waydownloader (31603)

Last errors/warnings:
- E: No tagging preset submenu for   
- E: No tagging preset submenu for   
- E: No tagging preset submenu for   
- E: No tagging preset submenu for   
- E: java.lang.NullPointerException

[simon04]

In 8987/josm:

fix #12059 - NPE when converting GPX layer to data-layer from session.joz

Regression from r8830.

[Don-vip]

Ticket #12095 has been marked as a duplicate of this ticket.

[Don-vip]

Ticket #12134 has been marked as a duplicate of this ticket.