[virgo-build] Build failed in Hudson: virgo.apps.snapshot #735

[hudsonbuild@xxxxxxxxxxx]

See <https://hudson.eclipse.org/hudson/job/virgo.apps.snapshot/735/>

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Started by timer
Building remotely on hudson-slave1
Checkout:virgo.apps.snapshot / <https://hudson.eclipse.org/hudson/job/virgo.apps.snapshot/ws/> - hudson.remoting.Channel@33264c47:hudson-slave1
Using strategy: Default
Last Built Revision: Revision 8b086f10689def1800943adeb89b0a541b427871 (origin/master)
Checkout:virgo.apps.snapshot / <https://hudson.eclipse.org/hudson/job/virgo.apps.snapshot/ws/> - hudson.remoting.LocalChannel@72a666be
Fetching changes from the remote Git repository
Fetching upstream changes from git://git.eclipse.org/gitroot/virgo/org.eclipse.virgo.apps.git
Commencing build of Revision 8b086f10689def1800943adeb89b0a541b427871 (origin/master)
Checking out Revision 8b086f10689def1800943adeb89b0a541b427871 (origin/master)
Cleaning workspace
Trying to fetch virgo-build into <https://hudson.eclipse.org/hudson/job/virgo.apps.snapshot/ws/virgo-build>
Fetching upstream changes from git://git.eclipse.org/gitroot/virgo/org.eclipse.virgo.virgo-build.git
FATAL: null
java.lang.NullPointerException
	at hudson.remoting.MultiClassLoaderSerializer$Input.readClassLoader(MultiClassLoaderSerializer.java:94)
	at hudson.remoting.MultiClassLoaderSerializer$Input.resolveClass(MultiClassLoaderSerializer.java:111)
	at java.io.ObjectInputStream.readNonProxyDesc(ObjectInputStream.java:1575)
	at java.io.ObjectInputStream.readClassDesc(ObjectInputStream.java:1496)
	at java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:1732)
	at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1329)
	at java.io.ObjectInputStream.readObject(ObjectInputStream.java:351)
	at hudson.remoting.UserRequest.deserialize(UserRequest.java:178)
	at hudson.remoting.UserResponse.retrieve(UserRequest.java:207)
	at hudson.remoting.Channel.call(Channel.java:651)
	at hudson.FilePath.act(FilePath.java:747)
	at hudson.FilePath.act(FilePath.java:740)
	at hudson.plugins.git.GitSCM.getBuildConfig(GitSCM.java:685)
	at hudson.plugins.git.GitSCM.checkout(GitSCM.java:645)
	at hudson.model.AbstractProject.checkout(AbstractProject.java:1229)
	at hudson.model.AbstractBuild$AbstractRunner.checkout(AbstractBuild.java:507)
	at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:424)
	at hudson.model.Run.run(Run.java:1367)
	at hudson.model.FreeStyleBuild.run(FreeStyleBuild.java:46)
	at hudson.model.ResourceController.execute(ResourceController.java:88)
	at hudson.model.Executor.run(Executor.java:145)