Thanks I'm modifying the jpa example to work with my app but I now get an exception at startup. anonymous wrote : org.hibernate.dialect.PostgreSQLDialect cannot be cast to org.hibernate.dialect.Dialect
persistence.xml <?xml version="1.0" encoding="UTF-8"?> | <persistence version="1.0" xmlns="http://java.sun.com/xml/ns/persistence"; | xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; | xsi:schemaLocation="http://java.sun.com/xml/ns/persistence | http://java.sun.com/xml/ns/persistence/persistence_1_0.xsd";> | <persistence-unit name="My-PU" transaction-type="JTA"> | <provider>org.hibernate.ejb.HibernatePersistence</provider> | <jta-data-source>jdbc/orpello</jta-data-source> | <properties> | <property name="hibernate.cache.use_second_level_cache" value="true" /> | <property name="hibernate.cache.provider_class" value="org.hibernate.cache.EhCacheProvider"/> | <property name="net.sf.ehcache.configurationResourceName" value="/ehcache.xml" /> | <property name="hibernate.dialect" value="org.hibernate.dialect.PostgreSQLDialect" /> | <property name="hibernate.show_sql" value="true" /> | <property name="hibernate.transaction.manager_lookup_class" | value="org.hibernate.transaction.SunONETransactionManagerLookup"/> | </properties> | </persistence-unit> | </persistence> components.xml <?xml version="1.0" encoding="UTF-8"?> | <components xmlns="http://jboss.com/products/seam/components"; | xmlns:core="http://jboss.com/products/seam/core"; | xmlns:security="http://jboss.com/products/seam/security"; | xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"; | xsi:schemaLocation= | "http://jboss.com/products/seam/core http://jboss.com/products/seam/core-1.2.xsd | http://jboss.com/products/seam/security http://jboss.com/products/seam/security-1.2.xsd | http://jboss.com/products/seam/components http://jboss.com/products/seam/components-1.2.xsd";> | | <core:init jndi-pattern="java:comp/env/orpello-ejb/#{ejbName}/local" debug="true"/> | | <core:entity-manager-factory name="My-PU"/> | | <core:managed-persistence-context name="entityManager" | auto-create="true" | entity-manager-factory="#{My-PU}"/> | </components> anonymous wrote : [#|2007-03-13T06:45:53.771+0100|SEVERE|sun-appserver-pe9.0|javax.enterprise.system.container.web|_ThreadID=11;_ThreadName=httpWorkerThread-4848-0;_RequestID=eccb6a64-1a7e-4cf6-a27f-155f4ccab5e7;|WebModule[/Orpello-war]Exception sending context initialized event to listener instance of class org.jboss.seam.servlet.SeamListener | javax.persistence.PersistenceException: org.hibernate.HibernateException: Could not instantiate dialect class | at org.hibernate.ejb.Ejb3Configuration.createEntityManagerFactory(Ejb3Configuration.java:217) | at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:114) | at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:83) | at org.jboss.seam.core.EntityManagerFactory.startup(EntityManagerFactory.java:74) | 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:589) | at org.jboss.seam.util.Reflections.invoke(Reflections.java:20) | at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:123) | at org.jboss.seam.Component.callComponentMethod(Component.java:1842) | at org.jboss.seam.Component.callCreateMethod(Component.java:1757) | at org.jboss.seam.Component.newInstance(Component.java:1746) | at org.jboss.seam.contexts.Lifecycle.startup(Lifecycle.java:175) | at org.jboss.seam.contexts.Lifecycle.endInitialization(Lifecycle.java:145) | at org.jboss.seam.init.Initialization.init(Initialization.java:506) | at org.jboss.seam.servlet.SeamListener.contextInitialized(SeamListener.java:33) | at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4236) | at org.apache.catalina.core.StandardContext.start(StandardContext.java:4760) | at com.sun.enterprise.web.WebModule.start(WebModule.java:292) | at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:833) | at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:817) | at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:659) | at com.sun.enterprise.web.WebContainer.loadWebModule(WebContainer.java:1468) | at com.sun.enterprise.web.WebContainer.loadWebModule(WebContainer.java:1133) | at com.sun.enterprise.web.WebContainer.loadJ2EEApplicationWebModules(WebContainer.java:1058) | at com.sun.enterprise.server.TomcatApplicationLoader.load(TomcatApplicationLoader.java:128) | at com.sun.enterprise.server.ApplicationManager.applicationDeployed(ApplicationManager.java:322) | at com.sun.enterprise.server.ApplicationManager.applicationDeployed(ApplicationManager.java:196) | at com.sun.enterprise.server.ApplicationManager.applicationDeployed(ApplicationManager.java:633) | at com.sun.enterprise.admin.event.AdminEventMulticaster.invokeApplicationDeployEventListener(AdminEventMulticaster.java:908) | at com.sun.enterprise.admin.event.AdminEventMulticaster.handleApplicationDeployEvent(AdminEventMulticaster.java:892) | at com.sun.enterprise.admin.event.AdminEventMulticaster.processEvent(AdminEventMulticaster.java:445) | at com.sun.enterprise.admin.event.AdminEventMulticaster.multicastEvent(AdminEventMulticaster.java:160) | at com.sun.enterprise.admin.server.core.DeploymentNotificationHelper.multicastEvent(DeploymentNotificationHelper.java:296) | at com.sun.enterprise.deployment.phasing.DeploymentServiceUtils.multicastEvent(DeploymentServiceUtils.java:203) | at com.sun.enterprise.deployment.phasing.ServerDeploymentTarget.sendStartEvent(ServerDeploymentTarget.java:285) | at com.sun.enterprise.deployment.phasing.ApplicationStartPhase.runPhase(ApplicationStartPhase.java:119) | at com.sun.enterprise.deployment.phasing.DeploymentPhase.executePhase(DeploymentPhase.java:95) | at com.sun.enterprise.deployment.phasing.PEDeploymentService.executePhases(PEDeploymentService.java:871) | at com.sun.enterprise.deployment.phasing.PEDeploymentService.start(PEDeploymentService.java:541) | at com.sun.enterprise.deployment.phasing.PEDeploymentService.start(PEDeploymentService.java:585) | at com.sun.enterprise.admin.mbeans.ApplicationsConfigMBean.start(ApplicationsConfigMBean.java:719) | 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:589) | at com.sun.enterprise.admin.MBeanHelper.invokeOperationInBean(MBeanHelper.java:353) | at com.sun.enterprise.admin.MBeanHelper.invokeOperationInBean(MBeanHelper.java:336) | at com.sun.enterprise.admin.config.BaseConfigMBean.invoke(BaseConfigMBean.java:448) | at com.sun.jmx.interceptor.DefaultMBeanServerInterceptor.invoke(DefaultMBeanServerInterceptor.java:836) | at com.sun.jmx.mbeanserver.JmxMBeanServer.invoke(JmxMBeanServer.java:761) | at sun.reflect.GeneratedMethodAccessor16.invoke(Unknown Source) | at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) | at java.lang.reflect.Method.invoke(Method.java:589) | at com.sun.enterprise.admin.util.proxy.ProxyClass.invoke(ProxyClass.java:77) | at $Proxy1.invoke(Unknown Source) | at com.sun.enterprise.admin.server.core.jmx.SunoneInterceptor.invoke(SunoneInterceptor.java:297) | at com.sun.enterprise.admin.jmx.remote.server.callers.InvokeCaller.call(InvokeCaller.java:56) | at com.sun.enterprise.admin.jmx.remote.server.MBeanServerRequestHandler.handle(MBeanServerRequestHandler.java:142) | at com.sun.enterprise.admin.jmx.remote.server.servlet.RemoteJmxConnectorServlet.processRequest(RemoteJmxConnectorServlet.java:109) | at com.sun.enterprise.admin.jmx.remote.server.servlet.RemoteJmxConnectorServlet.doPost(RemoteJmxConnectorServlet.java:180) | at javax.servlet.http.HttpServlet.service(HttpServlet.java:727) | at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) | at org.apache.catalina.core.ApplicationFilterChain.servletService(ApplicationFilterChain.java:397) | at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:278) | at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) | at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536) | at org.apache.catalina.core.StandardContextValve.invokeInternal(StandardContextValve.java:240) | at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:179) | at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) | at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:73) | at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:182) | at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) | at com.sun.enterprise.web.VirtualServerPipeline.invoke(VirtualServerPipeline.java:120) | at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939) | at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:137) | at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:566) | at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:536) | at org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:939) | at org.apache.coyote.tomcat5.CoyoteAdapter.service(CoyoteAdapter.java:231) | at com.sun.enterprise.web.connector.grizzly.ProcessorTask.invokeAdapter(ProcessorTask.java:667) | at com.sun.enterprise.web.connector.grizzly.ProcessorTask.processNonBlocked(ProcessorTask.java:574) | at com.sun.enterprise.web.connector.grizzly.ProcessorTask.process(ProcessorTask.java:844) | at com.sun.enterprise.web.connector.grizzly.ReadTask.executeProcessorTask(ReadTask.java:287) | at com.sun.enterprise.web.connector.grizzly.ReadTask.doTask(ReadTask.java:212) | at com.sun.enterprise.web.connector.grizzly.TaskBase.run(TaskBase.java:252) | at com.sun.enterprise.web.connector.grizzly.WorkerThread.run(WorkerThread.java:75) | Caused by: org.hibernate.HibernateException: Could not instantiate dialect class | at org.hibernate.dialect.DialectFactory.buildDialect(DialectFactory.java:84) | at org.hibernate.dialect.DialectFactory.buildDialect(DialectFactory.java:42) | at org.hibernate.cfg.SettingsFactory.determineDialect(SettingsFactory.java:397) | at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:111) | at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:1928) | at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1211) | at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:631) | at org.hibernate.ejb.Ejb3Configuration.createEntityManagerFactory(Ejb3Configuration.java:760) | at org.hibernate.ejb.Ejb3Configuration.createFactory(Ejb3Configuration.java:151) | at org.hibernate.ejb.Ejb3Configuration.createEntityManagerFactory(Ejb3Configuration.java:205) | ... 87 more | Caused by: java.lang.ClassCastException: org.hibernate.dialect.PostgreSQLDialect cannot be cast to org.hibernate.dialect.Dialect | at org.hibernate.dialect.DialectFactory.buildDialect(DialectFactory.java:78) | ... 96 more Am I missing something to get this to work with PostgreSQL? 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