XVSM:
Ableitung scheisse: Pizza<->PizzaOrder wegen Template-matching
DELETE-LOCK -> Congestion
keine primitiven datentypen für template-matching
nullpointer-exception: java.lang.NullPointerException
                       	at java.util.LinkedList$ListItr.next(LinkedList.java:891)
                       	at org.mozartspaces.capi3.javanative.persistence.DeferredDB$PersistentTransaction.commitTransaction(DeferredDB.java:68)
                       	at org.mozartspaces.capi3.javanative.isolation.DefaultTransaction.commit(DefaultTransaction.java:133)
                       	at org.mozartspaces.runtime.DefaultTransactionManager.commitTx(DefaultTransactionManager.java:206)
                       	at org.mozartspaces.runtime.DefaultTransactionManager.commitTransaction(DefaultTransactionManager.java:146)
                       	at org.mozartspaces.runtime.tasks.CommitTransactionTask.runSpecific(CommitTransactionTask.java:94)
                       	at org.mozartspaces.runtime.tasks.CommitTransactionTask.runSpecific(CommitTransactionTask.java:47)
                       	at org.mozartspaces.runtime.tasks.AbstractTask.processRequest(AbstractTask.java:265)
                       	at org.mozartspaces.runtime.tasks.AbstractTask.run(AbstractTask.java:122)
                       	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:722)
                       	at [Request result retrieved with the following stack trace].(Unknown Source)
                       	at org.mozartspaces.core.GenericRequestFuture.enhanceStackTrace(GenericRequestFuture.java:186)
                       	at org.mozartspaces.core.GenericRequestFuture.getResultOrError(GenericRequestFuture.java:129)
                       	at org.mozartspaces.core.GenericRequestFuture.getResult(GenericRequestFuture.java:81)
                       	at org.mozartspaces.core.Capi.sendRequestAndWaitForResult(Capi.java:1307)
                       	at org.mozartspaces.core.Capi.commitTransaction(Capi.java:997)
                       	at org.mozartspaces.core.Capi.commitTransaction(Capi.java:980)
durch persistence - berkeleydb funktioniert nichts mehr