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javax.jcr.RepositoryException: this session has been closed
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org.springframework.transaction.CannotCreateTransactionException: Could not open Hibernate Session for transaction; nested exception is org.hibernate.exception.GenericJDBCException: Could not open connection
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java.lang.IllegalStateException: BaseClassLoader@1f30e51{vfszip:/C:/Software/Server/jboss-5.0.0.GA/server/default/deploy/demoproj-ear.ear} classLoader is not connected to a domain (probably undeployed?) for class java.sql.SQLWarning
java.lang.IllegalStateException: EntityManager is closed	at org.hibernate.jpa.internal.EntityManagerImpl.checkOpen(EntityManagerImpl.java:97)	at org.hibernate.jpa.internal.EntityManagerImpl.checkOpen(EntityManagerImpl.java:88)	at org.hibernate.jpa.spi.AbstractEntityManagerImpl.createQuery(AbstractEntityManagerImpl.java:302)	at br.com.so.dao.hibernate.HibernateMensagemDao.existeNova(HibernateMensagemDao.java:38)	at br.com.so.bean.UsuarioLogadoBean.logar(UsuarioLogadoBean.java:26)	at br.com.so.bean.UsuarioLogadoBean$Proxy$_$$_WeldClientProxy.logar(Unknown Source)	at br.com.so.bean.LoginBean.efetuaLogin(LoginBean.java:36)	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:497)	at org.apache.el.parser.AstValue.invoke(AstValue.java:247)	at org.apache.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:267)	at org.jboss.weld.util.el.ForwardingMethodExpression.invoke(ForwardingMethodExpression.java:40)	at org.jboss.weld.el.WeldMethodExpression.invoke(WeldMethodExpression.java:50)	at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105)	at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:87)	at com.sun.faces.application.ActionListenerImpl.processAction(ActionListenerImpl.java:102)	at javax.faces.component.UICommand.broadcast(UICommand.java:315)	at javax.faces.component.UIViewRoot.broadcastEvents(UIViewRoot.java:790)	at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1282)	at com.sun.faces.lifecycle.InvokeApplicationPhase.execute(InvokeApplicationPhase.java:81)	at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)	at com.sun.faces.lifecycle.LifecycleImpl.execute(LifecycleImpl.java:198)	at javax.faces.webapp.FacesServlet.service(FacesServlet.java:646)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:292)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.primefaces.webapp.filter.FileUploadFilter.doFilter(FileUploadFilter.java:100)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.apache.catalina.filters.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:108)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at br.com.so.interceptor.EntityManagerInterceptor.doFilter(EntityManagerInterceptor.java:30)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:240)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:207)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:212)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:106)	at org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:502)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:141)	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:79)	at org.apache.catalina.valves.AbstractAccessLogValve.invoke(AbstractAccessLogValve.java:616)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:88)	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:528)	at org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1099)	at org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:672)	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1520)	at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.run(NioEndpoint.java:1476)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)	at java.lang.Thread.run(Thread.java:745)