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java.lang.NullPointerException at org.apache.aries.jpa.container.impl.PersistenceBundleManager$ProviderServiceComparator.compare(PersistenceBundleManager.java:575)[308:org.apache.aries.jpa.container:0.3.0] at org.apache.aries.jpa.container.impl.PersistenceBundleManager$ProviderServiceComparator.compare(PersistenceBundleManager.java:572)[308:org.apache.aries.jpa.container:0.3.0] at java.util.Collections.max(Collections.java:681)[:1.6.0_25] at org.apache.aries.jpa.container.impl.PersistenceBundleManager.getBestProvider(PersistenceBundleManager.java:554)[308:org.apache.aries.jpa.container:0.3.0] at org.apache.aries.jpa.container.impl.PersistenceBundleManager.getProviderServiceReference(PersistenceBundleManager.java:460)[308:org.apache.aries.jpa.container:0.3.0] at org.apache.aries.jpa.container.impl.PersistenceBundleManager.setupManager(PersistenceBundleManager.java:360)[308:org.apache.aries.jpa.container:0.3.0] at org.apache.aries.jpa.container.impl.PersistenceBundleManager.addingBundle(PersistenceBundleManager.java:148)[308:org.apache.aries.jpa.container:0.3.0] at org.osgi.util.tracker.BundleTracker$Tracked.customizerAdding(BundleTracker.java:440)[karaf.jar:2.2.0-fuse-00-61] at org.osgi.util.tracker.AbstractTracked.trackAdding(AbstractTracked.java:261)[karaf.jar:2.2.0-fuse-00-61] at org.osgi.util.tracker.AbstractTracked.track(AbstractTracked.java:233)[karaf.jar:2.2.0-fuse-00-61] at org.osgi.util.tracker.BundleTracker$Tracked.bundleChanged(BundleTracker.java:413)[karaf.jar:2.2.0-fuse-00-61] at org.apache.felix.framework.util.EventDispatcher.invokeBundleListenerCallback(EventDispatcher.java:795)[org.apache.felix.framework-3.0.9-fuse-00-61.jar:] at org.apache.felix.framework.util.EventDispatcher.fireEventImmediately(EventDispatcher.java:717)[org.apache.felix.framework-3.0.9-fuse-00-61.jar:] at org.apache.felix.framework.util.EventDispatcher.fireBundleEvent(EventDispatcher.java:597)[org.apache.felix.framework-3.0.9-fuse-00-61.jar:] at org.apache.felix.framework.Felix.fireBundleEvent(Felix.java:3770)[org.apache.felix.framework-3.0.9-fuse-00-61.jar:] at org.apache.felix.framework.Felix.installBundle(Felix.java:2656)[org.apache.felix.framework-3.0.9-fuse-00-61.jar:] at org.apache.felix.framework.Felix.installBundle(Felix.java:2452)[org.apache.felix.framework-3.0.9-fuse-00-61.jar:] at org.apache.felix.framework.BundleContextImpl.installBundle(BundleContextImpl.java:129)[org.apache.felix.framework-3.0.9-fuse-00-61.jar:] at org.apache.karaf.shell.osgi.InstallBundle.install(InstallBundle.java:67)[14:org.apache.karaf.shell.osgi:2.2.0.fuse-00-61] at org.apache.karaf.shell.osgi.InstallBundle.doExecute(InstallBundle.java:43)[14:org.apache.karaf.shell.osgi:2.2.0.fuse-00-61] at org.apache.karaf.shell.console.OsgiCommandSupport.execute(OsgiCommandSupport.java:38)[19:org.apache.karaf.shell.console:2.2.0.fuse-00-61] at org.apache.felix.gogo.commands.basic.AbstractCommand.execute(AbstractCommand.java:35)[19:org.apache.karaf.shell.console:2.2.0.fuse-00-61] at org.apache.felix.gogo.runtime.CommandProxy.execute(CommandProxy.java:78)[19:org.apache.karaf.shell.console:2.2.0.fuse-00-61] at org.apache.felix.gogo.runtime.Closure.executeCmd(Closure.java:474)[19:org.apache.karaf.shell.console:2.2.0.fuse-00-61] at org.apache.felix.gogo.runtime.Closure.executeStatement(Closure.java:400)[19:org.apache.karaf.shell.console:2.2.0.fuse-00-61] at org.apache.felix.gogo.runtime.Pipe.run(Pipe.java:108)[19:org.apache.karaf.shell.console:2.2.0.fuse-00-61] at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:183)[19:org.apache.karaf.shell.console:2.2.0.fuse-00-61] at org.apache.felix.gogo.runtime.Closure.execute(Closure.java:120)[19:org.apache.karaf.shell.console:2.2.0.fuse-00-61] at org.apache.felix.gogo.runtime.CommandSessionImpl.execute(CommandSessionImpl.java:89)[19:org.apache.karaf.shell.console:2.2.0.fuse-00-61] at org.apache.karaf.shell.console.jline.Console.run(Console.java:240)[19:org.apache.karaf.shell.console:2.2.0.fuse-00-61] at java.lang.Thread.run(Thread.java:662)[:1.6.0_25]