Closed EntityManager on shutdown

[muuki88]

!MESSAGE [SCR] Exception occurred while unbinding reference Reference[name = IEntityManagerService, interface = de.lmu.ifi.dbs.medmon.services.IEntityManagerService, policy = dynamic, cardinality = 0..n, target = null, bind = bindEntityManagerService, unbind = unbindEntityManagerService]
    Details:
    Problematic reference = Reference[name = IEntityManagerService, interface = de.lmu.ifi.dbs.medmon.services.IEntityManagerService, policy = dynamic, cardinality = 0..n, target = null, bind = bindEntityManagerService, unbind = unbindEntityManagerService]
    of service component = de.lmu.ifi.dbs.medmon.medic.core.GlobalSelectionService
    component implementation class = de.lmu.ifi.dbs.medmon.medic.core.service.GlobalSelectionService
    located in bundle with symbolic name = de.lmu.ifi.dbs.medmon.medic.core
    bundle location = reference:file:/home/muki/Development/workspace_e4/.metadata/.plugins/org.eclipse.pde.core/.bundle_pool/plugins/de.lmu.ifi.dbs.medmon.medic.core_1.0.0.201212032154.jar
!STACK 0
java.lang.reflect.InvocationTargetException
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    at org.eclipse.equinox.internal.ds.model.ComponentReference.unbind(ComponentReference.java:476)
    at org.eclipse.equinox.internal.ds.model.ServiceComponentProp.unbindDynamicReference(ServiceComponentProp.java:643)
    at org.eclipse.equinox.internal.ds.InstanceProcess.dynamicUnBind(InstanceProcess.java:466)
    at org.eclipse.equinox.internal.ds.Resolver.getEligible(Resolver.java:383)
    at org.eclipse.equinox.internal.ds.SCRManager.serviceChanged(SCRManager.java:222)
    at org.eclipse.osgi.internal.serviceregistry.FilteredServiceListener.serviceChanged(FilteredServiceListener.java:107)
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:861)
    at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
    at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
    at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEventPrivileged(ServiceRegistry.java:819)
    at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.publishServiceEvent(ServiceRegistry.java:771)
    at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.unregister(ServiceRegistrationImpl.java:225)
    at org.eclipse.equinox.internal.ds.InstanceProcess.disposeInstances(InstanceProcess.java:356)
    at org.eclipse.equinox.internal.ds.InstanceProcess.disposeInstances(InstanceProcess.java:306)
    at org.eclipse.equinox.internal.ds.Resolver.disposeComponentConfigs(Resolver.java:717)
    at org.eclipse.equinox.internal.ds.Resolver.disableComponents(Resolver.java:693)
    at org.eclipse.equinox.internal.ds.SCRManager.stoppingBundle(SCRManager.java:554)
    at org.eclipse.equinox.internal.ds.SCRManager.bundleChanged(SCRManager.java:233)
    at org.eclipse.osgi.framework.internal.core.BundleContextImpl.dispatchEvent(BundleContextImpl.java:847)
    at org.eclipse.osgi.framework.eventmgr.EventManager.dispatchEvent(EventManager.java:230)
    at org.eclipse.osgi.framework.eventmgr.ListenerQueue.dispatchEventSynchronous(ListenerQueue.java:148)
    at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEventPrivileged(Framework.java:1568)
    at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEvent(Framework.java:1504)
    at org.eclipse.osgi.framework.internal.core.Framework.publishBundleEvent(Framework.java:1499)
    at org.eclipse.osgi.framework.internal.core.BundleHost.stopWorker(BundleHost.java:506)
    at org.eclipse.osgi.framework.internal.core.AbstractBundle.suspend(AbstractBundle.java:566)
    at org.eclipse.osgi.framework.internal.core.Framework.suspendBundle(Framework.java:1206)
    at org.eclipse.osgi.framework.internal.core.StartLevelManager.decFWSL(StartLevelManager.java:592)
    at org.eclipse.osgi.framework.internal.core.StartLevelManager.doSetStartLevel(StartLevelManager.java:257)
    at org.eclipse.osgi.framework.internal.core.StartLevelManager.shutdown(StartLevelManager.java:215)
    at org.eclipse.osgi.framework.internal.core.InternalSystemBundle.suspend(InternalSystemBundle.java:284)
    at org.eclipse.osgi.framework.internal.core.Framework.shutdown(Framework.java:692)
    at org.eclipse.osgi.framework.internal.core.Framework.close(Framework.java:600)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.shutdown(EclipseStarter.java:399)
    at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:199)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:601)
    at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:629)
    at org.eclipse.equinox.launcher.Main.basicRun(Main.java:584)
    at org.eclipse.equinox.launcher.Main.run(Main.java:1438)
    at org.eclipse.equinox.launcher.Main.main(Main.java:1414)
Caused by: java.lang.IllegalStateException: Attempting to execute an operation on a closed EntityManager.
    at org.eclipse.persistence.internal.jpa.EntityManagerImpl.verifyOpen(EntityManagerImpl.java:1704)
    at org.eclipse.persistence.internal.jpa.EntityManagerImpl.close(EntityManagerImpl.java:1564)
    at de.lmu.ifi.dbs.medmon.medic.core.service.GlobalSelectionService.unbindEntityManagerService(GlobalSelectionService.java:104)
    ... 47 more