JOSM and Error message with surveyor plugin

[meppen7]

I still get an error message using the surveyor plugin(see also 3052 and 3101).
Plugin livegps seems to work well. But when I am activating the surveyor plugin and pushing one the buttons of the surveyor panel, I get an error message and the temp gpx-file is set to 0 Byte.
I am used to map with the aid of JOSM with livegps/surveyor, so it is important for me that the problems will be solved asap.
Is the developer of the 2 plugins still active, so that he can be asked to update the plugins?

Path: trunk
URL: ​http://josm.openstreetmap.de/svn/trunk
Repository Root: ​http://josm.openstreetmap.de/svn
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Revision: 1909
Node Kind: directory
Last Changed Author: stoecker
Last Changed Rev: 1909
Last Changed Date: 2009-08-04 21:39:23 +0200 (Tue, 04 Aug 2009)

Memory Usage: 51 MB / 1016 MB (17 MB allocated, but free)
Java version: 1.6.0_13

Plugins: AgPifoJCreate_grid_of_waysDirectUploadIntersect_wayPicLayerbuildings_toolscolorschemedataimporteditgpxgraphviewlakewalkerlivegpsmeasurementmultipolyopenstreetbugsopenvisibleosmarenderplastic_lafremotecontrolslippymapsurveyortageditortagging-preset-testerterracerusertoolsutilspluginvalidatorwalkingpaperswaydownloaderwmsplugin
Plugin plastic_laf Version: 14016
Plugin AgPifoJ Version: 16784
Plugin Create_grid_of_ways Version: 16620
Plugin DirectUpload Version: 16583
Plugin Intersect_way Version: 12781
Plugin PicLayer Version: 16302
Plugin buildings_tools Version: 20
Plugin colorscheme Version: 16383
Plugin dataimport Version: 16382
Plugin editgpx Version: 16793
Plugin graphview Version: 16836
Plugin lakewalker Version: 16621
Plugin livegps Version: 16294
Plugin measurement Version: 16801
Plugin multipoly Version: 16609
Plugin openstreetbugs Version: 16797
Plugin openvisible Version: 16587
Plugin osmarender Version: 16760
Plugin remotecontrol Version: 16624
Plugin slippymap Version: 16805
Plugin tageditor Version: 16848
Plugin tagging-preset-tester Version: 14015
Plugin terracer Version: 16626
Plugin usertools Version: 14125
Plugin utilsplugin Version: 16735
Plugin validator Version: 16788
Plugin walkingpapers Version: 16879
Plugin waydownloader Version: 16631
Plugin wmsplugin Version: 16860
Plugin surveyor Version: 16625

java.lang.NullPointerException

at org.openstreetmap.josm.io.GpxWriter.writeAttr(GpxWriter.java:71)
at org.openstreetmap.josm.io.GpxWriter.wayPoint(GpxWriter.java:242)
at org.openstreetmap.josm.io.GpxWriter.writeWayPoints(GpxWriter.java:137)
at org.openstreetmap.josm.io.GpxWriter.write(GpxWriter.java:53)
at at.dallermassl.josm.plugin.surveyor.AutoSaveGpsLayerTimerTask.run(AutoSaveGpsLayerTimerTask.java:79)
at java.util.TimerThread.mainLoop(Unknown Source)
at java.util.TimerThread.run(Unknown Source)

[meppen7anonymous]

It seems to me that JOSM istn´t working error free mit plugins surveyor/livegps since changing to API o.6