plugin update impossible

[murmel]

after upgrading to the josm-lastest (1738) the also updated plugins (wms/validator) could not be activated.
errormessage follows:

Path: trunk
URL: ​http://josm.openstreetmap.de/svn/trunk
Repository Root: ​http://josm.openstreetmap.de/svn
Repository UUID: 0c6e7542-c601-0410-84e7-c038aed88b3b
Revision: 1738
Node Kind: directory
Last Changed Author: stoecker
Last Changed Rev: 1738
Last Changed Date: 2009-07-05 19:42:18 +0200 (Sun, 05 Jul 2009)

Memory Usage: 29 MB / 63 MB (3 MB allocated, but free)
Java version: 1.6.0_13

java.lang.NullPointerException

at org.openstreetmap.josm.plugins.PluginSelection.finish(PluginSelection.java:101)
at org.openstreetmap.josm.gui.preferences.PluginPreference.ok(PluginPreference.java:116)
at org.openstreetmap.josm.gui.preferences.PreferenceDialog.ok(PreferenceDialog.java:93)
at org.openstreetmap.josm.actions.PreferencesAction.run(PreferencesAction.java:80)
at org.openstreetmap.josm.actions.PreferencesAction.actionPerformed(PreferencesAction.java:39)
at javax.swing.AbstractButton.fireActionPerformed(Unknown Source)
at javax.swing.AbstractButton$Handler.actionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.fireActionPerformed(Unknown Source)
at javax.swing.DefaultButtonModel.setPressed(Unknown Source)
at javax.swing.AbstractButton.doClick(Unknown Source)
at javax.swing.plaf.basic.BasicMenuItemUI.doClick(Unknown Source)
at javax.swing.plaf.basic.BasicMenuItemUI$Handler.mouseReleased(Unknown Source)
at java.awt.AWTEventMulticaster.mouseReleased(Unknown Source)
at java.awt.Component.processMouseEvent(Unknown Source)
at javax.swing.JComponent.processMouseEvent(Unknown Source)
at java.awt.Component.processEvent(Unknown Source)
at java.awt.Container.processEvent(Unknown Source)
at java.awt.Component.dispatchEventImpl(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.LightweightDispatcher.retargetMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.processMouseEvent(Unknown Source)
at java.awt.LightweightDispatcher.dispatchEvent(Unknown Source)
at java.awt.Container.dispatchEventImpl(Unknown Source)
at java.awt.Window.dispatchEventImpl(Unknown Source)
at java.awt.Component.dispatchEvent(Unknown Source)
at java.awt.EventQueue.dispatchEvent(Unknown Source)
at java.awt.EventDispatchThread.pumpOneEventForFilters(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForFilter(Unknown Source)
at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.pumpEvents(Unknown Source)
at java.awt.EventDispatchThread.run(Unknown Source)

[delta_foxtrot2]

Closed as duplicate of #2836.