Nuxeo SDK v5.6 Jena errors

2012-09-06 13:11:00,337 ERROR [org.nuxeo.ecm.platform.comment.listener.AbstractCommentListener] Error during message processing
java.lang.RuntimeException: com.hp.hpl.jena.shared.JenaException: The database appears to be unformatted or corrupted and
an attempt to automatically format the database has failed

        at org.nuxeo.ecm.platform.relations.jena.JenaGraph.wrapException(JenaGraph.java:173)
        at org.nuxeo.ecm.platform.relations.jena.JenaGraph.size(JenaGraph.java:852)
        at org.nuxeo.ecm.platform.relations.jena.JenaOrCoreGraphFactory.createGraph(JenaOrCoreGraphFactory.java:58)
        at org.nuxeo.ecm.platform.relations.services.RelationService.getGraphFromRegistries(RelationService.java:340)
        at org.nuxeo.ecm.platform.relations.services.RelationService.getGraph(RelationService.java:323)
        at org.nuxeo.ecm.platform.relations.services.RelationService.getGraphByName(RelationService.java:287)
        at org.nuxeo.ecm.platform.comment.listener.DocumentRemovedCommentEventListener.onDocumentRemoved(DocumentRemovedCommentEventListener.java:61)
        at org.nuxeo.ecm.platform.comment.listener.DocumentRemovedCommentEventListener.doProcess(DocumentRemovedCommentEventListener.java:47)
        at org.nuxeo.ecm.platform.comment.listener.AbstractCommentListener.handleEvent(AbstractCommentListener.java:58)
        at org.nuxeo.ecm.platform.comment.listener.AbstractCommentListener.handleEvent(AbstractCommentListener.java:43)
        at org.nuxeo.ecm.core.event.impl.AsyncEventExecutor$ListenerWork.work(AsyncEventExecutor.java:164)
        at org.nuxeo.ecm.core.work.AbstractWork.run(AbstractWork.java:145)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:679)
Caused by: com.hp.hpl.jena.shared.JenaException: The database appears to be unformatted or corrupted and
an attempt to automatically format the database has failed

        at com.hp.hpl.jena.db.impl.DriverRDB.getSystemSpecializedGraph(DriverRDB.java:311)
        at com.hp.hpl.jena.db.impl.DriverRDB.getDefaultModelProperties(DriverRDB.java:834)
        at com.hp.hpl.jena.db.DBConnection.getDefaultModelProperties(DBConnection.java:164)
        at com.hp.hpl.jena.db.impl.GraphRDBMaker.consGraph(GraphRDBMaker.java:111)
        at com.hp.hpl.jena.db.impl.GraphRDBMaker.createGraph(GraphRDBMaker.java:95)
        at com.hp.hpl.jena.rdf.model.impl.ModelMakerImpl.createModel(ModelMakerImpl.java:46)
        at com.hp.hpl.jena.rdf.model.impl.ModelMakerImpl.createModel(ModelMakerImpl.java:49)
        at org.nuxeo.ecm.platform.relations.jena.JenaGraph.openGraph(JenaGraph.java:281)
        at org.nuxeo.ecm.platform.relations.jena.JenaGraph.openGraph(JenaGraph.java:182)
        at org.nuxeo.ecm.platform.relations.jena.JenaGraph.size(JenaGraph.java:847)
        ... 13 more
Caused by: com.hp.hpl.jena.db.RDFRDBException: Exception when checking for database lock -
com.hp.hpl.jena.db.RDFRDBException: Internal error in driver - database not locked for cleaning.

        at com.hp.hpl.jena.db.impl.DriverRDB.doCleanDB(DriverRDB.java:1001)
        at com.hp.hpl.jena.db.impl.Driver_Derby.doCleanDB(Driver_Derby.java:183)
        at com.hp.hpl.jena.db.impl.DriverRDB.getSystemSpecializedGraph(DriverRDB.java:303)
        ... 22 more