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java.lang.NullPointerException: 	at controllers.Replication.runNow(Replication.java:225)	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 play.mvc.ActionInvoker.invokeWithContinuation(ActionInvoker.java:544)	at play.mvc.ActionInvoker.invoke(ActionInvoker.java:494)	at play.mvc.ActionInvoker.invokeControllerMethod(ActionInvoker.java:489)	at play.mvc.ActionInvoker.invokeControllerMethod(ActionInvoker.java:458)	at play.mvc.ActionInvoker.invoke(ActionInvoker.java:162)	at play.server.PlayHandler$NettyInvocation.execute(PlayHandler.java:326)	at play.Invoker$Invocation$1.apply(Invoker.java:292)	at play.Invoker$Invocation$1.apply(Invoker.java:288)	at play.db.jpa.JPA.withTransaction(JPA.java:258)	at play.db.jpa.JPA.withinFilter(JPA.java:217)	at play.db.jpa.JPAPlugin$TransactionalFilter.withinFilter(JPAPlugin.java:298)	at play.Invoker$Invocation.withinFilter(Invoker.java:271)	at play.Invoker$Invocation.run(Invoker.java:288)	at play.server.PlayHandler$NettyInvocation.run(PlayHandler.java:303)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)	at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:293)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)