java.lang.NullPointerException

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  • java.lang.NullPointerException at org.apache.commons.vfs2.impl.DefaultFileSystemManager.closeFileSystem(DefaultFileSystemManager.java:1126) at org.objectweb.proactive.extensions.dataspaces.vfs.VFSMountManagerHelper.closeFileSystems(VFSMountManagerHelper.java:316) at org.objectweb.proactive.extensions.dataspaces.vfs.VFSSpacesMountManagerImpl.unmountAllFileSystems(VFSSpacesMountManagerImpl.java:414) at org.objectweb.proactive.extensions.dataspaces.vfs.VFSSpacesMountManagerImpl.close(VFSSpacesMountManagerImpl.java:223) at org.objectweb.proactive.extensions.dataspaces.core.NodeConfigurator$NodeApplicationConfigurator.close(NodeConfigurator.java:410) at org.objectweb.proactive.extensions.dataspaces.core.NodeConfigurator$NodeApplicationConfigurator.access$300(NodeConfigurator.java:357) at org.objectweb.proactive.extensions.dataspaces.core.NodeConfigurator.tryCloseAppConfigurator(NodeConfigurator.java:303) at org.objectweb.proactive.extensions.dataspaces.core.NodeConfigurator.close(NodeConfigurator.java:280) at org.objectweb.proactive.extensions.dataspaces.core.DataSpacesNodes.closeNodeConfig(DataSpacesNodes.java:237) at org.ow2.proactive.resourcemanager.nodesource.dataspace.DataSpaceNodeConfigurationAgent.closeNodeConfiguration(DataSpaceNodeConfigurationAgent.java:280) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.objectweb.proactive.core.mop.MethodCall.execute(MethodCall.java:353) at org.objectweb.proactive.core.body.request.RequestImpl.serveInternal(RequestImpl.java:214) at org.objectweb.proactive.core.body.request.RequestImpl.serve(RequestImpl.java:160) at org.objectweb.proactive.core.body.BodyImpl$ActiveLocalBodyStrategy.serveInternal(BodyImpl.java:552) at org.objectweb.proactive.core.body.BodyImpl$ActiveLocalBodyStrategy.serve(BodyImpl.java:485) at org.objectweb.proactive.core.body.AbstractBody.serve(AbstractBody.java:426) at org.objectweb.proactive.Service.serve(Service.java:128) at org.objectweb.proactive.Service.blockingServeOldest(Service.java:214) at org.objectweb.proactive.Service.blockingServeOldest(Service.java:189) at org.objectweb.proactive.Service.fifoServing(Service.java:150) at org.objectweb.proactive.core.body.ActiveBody$FIFORunActive.runActivity(ActiveBody.java:337) at org.objectweb.proactive.core.body.ActiveBody.run(ActiveBody.java:175) at java.lang.Thread.run(Thread.java:745)[2016-10-10 09:57:29,055 ERROR]
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