Shortly after starting a build from hudson, SOMETIMES the following error occurs:

Started by timer
[workspace] $ cvs -q update ....
...
Parsing POMs
[workspace] $ /opt/mvn/jvm/java-1.5.0-sun/bin/java -cp ...
ERROR: Aborted Maven execution for InterruptedIOException
java.net.SocketTimeoutException: Accept timed out
at java.net.PlainSocketImpl.socketAccept(Native Method)
at java.net.PlainSocketImpl.accept(PlainSocketImpl.java:384)
at java.net.ServerSocket.implAccept(ServerSocket.java:450)
at java.net.ServerSocket.accept(ServerSocket.java:421)
at hudson.maven.MavenProcessFactory$SocketHandler$AcceptorImpl.accept(MavenProcessFactory.java:167)
at hudson.maven.MavenProcessFactory.newProcess(MavenProcessFactory.java:202)
at hudson.maven.ProcessCache.get(ProcessCache.java:227)
at hudson.maven.MavenModuleSetBuild$RunnerImpl.doRun(MavenModuleSetBuild.java:455)
at hudson.model.AbstractBuild$AbstractRunner.run(AbstractBuild.java:417)
at hudson.model.Run.run(Run.java:1176)
at hudson.maven.MavenModuleSetBuild.run(MavenModuleSetBuild.java:304)
at hudson.model.ResourceController.execute(ResourceController.java:88)
at hudson.model.Executor.run(Executor.java:123)
Finished: ABORTED