Petals ESB Container

Exception in thread "deserializer-thread-4" java.lang.NullPointerException
        at org.ow2.petals.transport.platform.nio.NioTransporterImpl.onMessage(NioTransporterImpl.java:130)
        at org.objectweb.fractal.julia.generated.Cf7d2b16a_0.onMessage(INTERCEPTOR[NioReceiver])
        at org.objectweb.fractal.julia.generated.C91833ad5_0.onMessage(INTERFACE[NioReceiver])
        at org.ow2.petals.transport.platform.nio.server.PipedDeserializerImpl.run(PipedDeserializerImpl.java:94)
        at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
        at java.lang.Thread.run(Thread.java:662)