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java.lang.NullPointerException: 	at org.eclipse.persistence.platform.server.ServerPlatformUtils.createServerPlatform(ServerPlatformUtils.java:99)	at org.eclipse.persistence.sessions.factories.SessionManager.init(SessionManager.java:77)	at org.eclipse.persistence.sessions.factories.SessionManager.(SessionManager.java:71)	at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.addSessionToGlobalSessionManager(EntityManagerSetupImpl.java:907)	at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.initSession(EntityManagerSetupImpl.java:2671)	at org.eclipse.persistence.internal.jpa.EntityManagerSetupImpl.deploy(EntityManagerSetupImpl.java:675)	at org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate.getAbstractSession(EntityManagerFactoryDelegate.java:205)	at org.eclipse.persistence.internal.jpa.EntityManagerFactoryDelegate.createEntityManagerImpl(EntityManagerFactoryDelegate.java:305)	at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManagerImpl(EntityManagerFactoryImpl.java:337)	at org.eclipse.persistence.internal.jpa.EntityManagerFactoryImpl.createEntityManager(EntityManagerFactoryImpl.java:318)	at com.sun.enterprise.container.common.impl.EntityManagerWrapper._getDelegate(EntityManagerWrapper.java:197)	at com.sun.enterprise.container.common.impl.EntityManagerWrapper.createNamedQuery(EntityManagerWrapper.java:521)	at org.glassfish.ejb.persistent.timer.TimerBean.findTimersByOwnerAndState(TimerBean.java:209)	at org.glassfish.ejb.persistent.timer.TimerBean.findActiveTimersOwnedByThisServer(TimerBean.java:523)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at org.glassfish.ejb.security.application.EJBSecurityManager.runMethod(EJBSecurityManager.java:1081)	at org.glassfish.ejb.security.application.EJBSecurityManager.invoke(EJBSecurityManager.java:1153)	at com.sun.ejb.containers.BaseContainer.invokeBeanMethod(BaseContainer.java:4786)	at com.sun.ejb.EjbInvocation.invokeBeanMethod(EjbInvocation.java:656)	at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:822)	at com.sun.ejb.EjbInvocation.proceed(EjbInvocation.java:608)	at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.doCall(SystemInterceptorProxy.java:163)	at com.sun.ejb.containers.interceptors.SystemInterceptorProxy.aroundInvoke(SystemInterceptorProxy.java:140)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)	at java.lang.reflect.Method.invoke(Unknown Source)	at com.sun.ejb.containers.interceptors.AroundInvokeInterceptor.intercept(InterceptorManager.java:883)	at com.sun.ejb.containers.interceptors.AroundInvokeChainImpl.invokeNext(InterceptorManager.java:822)	at com.sun.ejb.containers.interceptors.InterceptorManager.intercept(InterceptorManager.java:369)	at com.sun.ejb.containers.BaseContainer.__intercept(BaseContainer.java:4758)	at com.sun.ejb.containers.BaseContainer.intercept(BaseContainer.java:4746)	at com.sun.ejb.containers.EJBLocalObjectInvocationHandler.invoke(EJBLocalObjectInvocationHandler.java:212)	at com.sun.ejb.containers.EJBLocalObjectInvocationHandlerDelegate.invoke(EJBLocalObjectInvocationHandlerDelegate.java:88)	at com.sun.proxy.$Proxy221.findActiveTimersOwnedByThisServer(Unknown Source)	at org.glassfish.ejb.persistent.timer.PersistentEJBTimerService.restoreEJBTimers(PersistentEJBTimerService.java:369)	at org.glassfish.ejb.persistent.timer.PersistentEJBTimerService.resetEJBTimers(PersistentEJBTimerService.java:1400)	at com.sun.ejb.containers.EJBTimerService.initEJBTimerService(EJBTimerService.java:236)	at com.sun.ejb.containers.EJBTimerService.getEJBTimerService(EJBTimerService.java:205)	at com.sun.ejb.containers.EJBTimerService.getEJBTimerService(EJBTimerService.java:187)	at com.sun.ejb.containers.BaseContainer.(BaseContainer.java:825)	at com.sun.ejb.containers.StatelessSessionContainer.(StatelessSessionContainer.java:143)	at com.sun.ejb.containers.StatelessSessionContainer.(StatelessSessionContainer.java:137)	at com.sun.ejb.containers.StatelessContainerFactory.createContainer(StatelessContainerFactory.java:61)	at org.glassfish.ejb.startup.EjbApplication.loadContainers(EjbApplication.java:221)	at org.glassfish.ejb.startup.EjbDeployer.load(EjbDeployer.java:291)	at org.glassfish.ejb.startup.EjbDeployer.load(EjbDeployer.java:99)	at org.glassfish.internal.data.ModuleInfo.load(ModuleInfo.java:206)	at org.glassfish.internal.data.ApplicationInfo.load(ApplicationInfo.java:313)	at com.sun.enterprise.v3.server.ApplicationLifecycle.deploy(ApplicationLifecycle.java:496)	at com.sun.enterprise.v3.server.ApplicationLoaderService.processApplication(ApplicationLoaderService.java:406)	at com.sun.enterprise.v3.server.ApplicationLoaderService.postConstruct(ApplicationLoaderService.java:243)	at org.jvnet.hk2.internal.ClazzCreator.postConstructMe(ClazzCreator.java:326)	at org.jvnet.hk2.internal.ClazzCreator.create(ClazzCreator.java:374)	at org.jvnet.hk2.internal.SystemDescriptor.create(SystemDescriptor.java:471)	at org.glassfish.hk2.runlevel.internal.AsyncRunLevelContext.findOrCreate(AsyncRunLevelContext.java:228)	at org.glassfish.hk2.runlevel.RunLevelContext.findOrCreate(RunLevelContext.java:85)	at org.jvnet.hk2.internal.Utilities.createService(Utilities.java:2072)	at org.jvnet.hk2.internal.ServiceHandleImpl.getService(ServiceHandleImpl.java:114)	at org.jvnet.hk2.internal.ServiceHandleImpl.getService(ServiceHandleImpl.java:88)	at org.glassfish.hk2.runlevel.internal.CurrentTaskFuture$QueueRunner.oneJob(CurrentTaskFuture.java:1213)	at org.glassfish.hk2.runlevel.internal.CurrentTaskFuture$QueueRunner.run(CurrentTaskFuture.java:1144)	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)	at java.lang.Thread.run(Unknown Source)