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java.lang.ClassCastException: org.hsqldb.jdbcDriver cannot be cast to javax.sql.DataSource	at com.sun.gjc.spi.DSManagedConnectionFactory.getDataSource(DSManagedConnectionFactory.java:139)	at com.sun.gjc.spi.DSManagedConnectionFactory.createManagedConnection(DSManagedConnectionFactory.java:93)	at com.sun.enterprise.resource.LocalTxConnectorAllocator.createResource(LocalTxConnectorAllocator.java:68)	at com.sun.enterprise.resource.AbstractResourcePool.createSingleResource(AbstractResourcePool.java:891)	at com.sun.enterprise.resource.AbstractResourcePool.createResourceAndAddToPool(AbstractResourcePool.java:1752)	at com.sun.enterprise.resource.AbstractResourcePool.createResources(AbstractResourcePool.java:917)	at com.sun.enterprise.resource.AbstractResourcePool.initPool(AbstractResourcePool.java:225)	at com.sun.enterprise.resource.AbstractResourcePool.internalGetResource(AbstractResourcePool.java:516)	at com.sun.enterprise.resource.AbstractResourcePool.getResource(AbstractResourcePool.java:443)	at com.sun.enterprise.resource.PoolManagerImpl.getResourceFromPool(PoolManagerImpl.java:248)	at com.sun.enterprise.resource.PoolManagerImpl.getResource(PoolManagerImpl.java:176)	at com.sun.enterprise.connectors.ConnectionManagerImpl.internalGetConnection(ConnectionManagerImpl.java:327)	at com.sun.enterprise.connectors.ConnectionManagerImpl.allocateConnection(ConnectionManagerImpl.java:189)	at com.sun.enterprise.connectors.ConnectionManagerImpl.allocateConnection(ConnectionManagerImpl.java:165)	at com.sun.enterprise.connectors.ConnectionManagerImpl.allocateConnection(ConnectionManagerImpl.java:158)	at com.sun.gjc.spi.base.DataSource.getConnection(DataSource.java:108)	at org.hibernate.ejb.connection.InjectedDataSourceConnectionProvider.getConnection(InjectedDataSourceConnectionProvider.java:47)	at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:84)	at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2073)	at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1298)	at org.hibernate.cfg.AnnotationConfiguration.buildSessionFactory(AnnotationConfiguration.java:859)	at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:669)	at org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:132)	at com.sun.enterprise.server.PersistenceUnitLoaderImpl.load(PersistenceUnitLoaderImpl.java:149)	at com.sun.enterprise.server.PersistenceUnitLoaderImpl.load(PersistenceUnitLoaderImpl.java:84)	at com.sun.enterprise.server.AbstractLoader.loadPersistenceUnits(AbstractLoader.java:898)	at com.sun.enterprise.server.ApplicationLoader.doLoad(ApplicationLoader.java:184)	at com.sun.enterprise.server.TomcatApplicationLoader.doLoad(TomcatApplicationLoader.java:126)	at com.sun.enterprise.server.AbstractLoader.load(AbstractLoader.java:244)	at com.sun.enterprise.server.ApplicationManager.applicationDeployed(ApplicationManager.java:336)	at com.sun.enterprise.server.ApplicationManager.applicationDeployed(ApplicationManager.java:210)	at com.sun.enterprise.server.ApplicationManager.applicationDeployed(ApplicationManager.java:645)	at com.sun.enterprise.admin.event.AdminEventMulticaster.invokeApplicationDeployEventListener(AdminEventMulticaster.java:928)	at com.sun.enterprise.admin.event.AdminEventMulticaster.handleApplicationDeployEvent(AdminEventMulticaster.java:912)	at com.sun.enterprise.admin.event.AdminEventMulticaster.processEvent(AdminEventMulticaster.java:461)	at com.sun.enterprise.admin.event.AdminEventMulticaster.multicastEvent(AdminEventMulticaster.java:176)	at com.sun.enterprise.admin.server.core.DeploymentNotificationHelper.multicastEvent(DeploymentNotificationHelper.java:308)	at com.sun.enterprise.deployment.phasing.DeploymentServiceUtils.multicastEvent(DeploymentServiceUtils.java:226)	at com.sun.enterprise.deployment.phasing.ServerDeploymentTarget.sendStartEvent(ServerDeploymentTarget.java:298)	at com.sun.enterprise.deployment.phasing.ApplicationStartPhase.runPhase(ApplicationStartPhase.java:132)	at com.sun.enterprise.deployment.phasing.DeploymentPhase.executePhase(DeploymentPhase.java:108)	at com.sun.enterprise.deployment.phasing.PEDeploymentService.executePhases(PEDeploymentService.java:919)	at com.sun.enterprise.deployment.phasing.PEDeploymentService.start(PEDeploymentService.java:591)	at com.sun.enterprise.deployment.phasing.PEDeploymentService.start(PEDeploymentService.java:635)	at com.sun.enterprise.admin.mbeans.ApplicationsConfigMBean.start(ApplicationsConfigMBean.java:744)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at com.sun.enterprise.admin.MBeanHelper.invokeOperationInBean(MBeanHelper.java:375)	at com.sun.enterprise.admin.MBeanHelper.invokeOperationInBean(MBeanHelper.java:358)	at com.sun.enterprise.admin.config.BaseConfigMBean.invoke(BaseConfigMBean.java:464)	at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836)	at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761)	at sun.reflect.GeneratedMethodAccessor13.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)	at java.lang.reflect.Method.invoke(Method.java:597)	at com.sun.enterprise.admin.util.proxy.ProxyClass.invoke(ProxyClass.java:90)	at $Proxy1.invoke(Unknown Source)	at com.sun.enterprise.admin.server.core.jmx.SunoneInterceptor.invoke(SunoneInterceptor.java:304)	at com.sun.enterprise.interceptor.DynamicInterceptor.invoke(DynamicInterceptor.java:174)	at com.sun.enterprise.admin.jmx.remote.server.callers.InvokeCaller.call(InvokeCaller.java:69)	at com.sun.enterprise.admin.jmx.remote.server.MBeanServerRequestHandler.handle(MBeanServerRequestHandler.java:155)	at com.sun.enterprise.admin.jmx.remote.server.servlet.RemoteJmxConnectorServlet.processRequest(RemoteJmxConnectorServlet.java:122)	at com.sun.enterprise.admin.jmx.remote.server.servlet.RemoteJmxConnectorServlet.doPost(RemoteJmxConnectorServlet.java:193)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:738)	at javax.servlet.http.HttpServlet.service(HttpServlet.java:831)	at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:411)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:317)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198)	at org.netbeans.modules.web.monitor.server.MonitorFilter.doFilter(MonitorFilter.java:196)	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:230)	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:198)	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:288)	at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:271)	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:202)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)	at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:94)	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:206)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571)	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080)	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:150)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:632)	at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:577)	at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:571)	at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:1080)	at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:272)	at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.invokeAdapter(DefaultProcessorTask.java:637)	at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.doProcess(DefaultProcessorTask.java:568)	at com.sun.enterprise.web.connector.grizzly.DefaultProcessorTask.process(DefaultProcessorTask.java:813)	at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.executeProcessorTask(DefaultReadTask.java:341)	at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:263)	at com.sun.enterprise.web.connector.grizzly.DefaultReadTask.doTask(DefaultReadTask.java:214)	at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:265)	at com.sun.enterprise.web.connector.grizzly.WorkerThreadImpl.run(WorkerThreadImpl.java:116)