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MySQL database connection error
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created by <a href="https://community.jboss.org/people/chabee">Csaba K</a> in <i>jBPM</i> - <a href="https://community.jboss.org/message/802643#802643">View the full discussion</a>
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<div class="jive-rendered-content"><p><strong>Hy all!</strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong><span>I am trying to change H2 database to MySQL database. I installed a MySQL server and went through </span><a class="jive-link-external-small" href="http://docs.jboss.com/jbpm/v5.4/userguide/ch.installer.html#d0e609" rel="nofollow" target="_blank">http://docs.jboss.com/jbpm/v5.4/userguide/ch.installer.html#d0e609</a><span> on this description. I started jboss AS7 and MySQL server also, I opened </span><a class="jive-link-external-small" href="http://localhost:8080/jbpm-console/" rel="nofollow" target="_blank">http://localhost:8080/jbpm-console/</a><span>.</span></strong></p><p><strong> After I logged in I got this error:</strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p class="Gtuw1jkN" style="color: #336633;" title="2013-03-14 12:21:41,712 [DEBUG] new subscription: appContext.model.listener -> org.jboss.bpm.console.client.task.AssignedTasksView$8@119 / ">2013-03-14 12:21:41,711 [DEBUG] new subscription: appContext.model.listener -> org.jboss.bpm.console.client.task.AssignedTasksView$8@119</p><p class="Gtuw1jkN" style="color: #336633;" title="2013-03-14 12:21:41,713 [DEBUG] New Subscription: appContext.model.listener / ">2013-03-14 12:21:41,713 [DEBUG] New Subscription: appContext.model.listener</p><p class="Gtuw1jkN" style="color: #336633;" title="2013-03-14 12:21:42,223 [DEBUG] GET: http://localhost:8080/gwt-console-server/rs/tasks/admin / "><span>2013-03-14 12:21:42,221 [DEBUG] GET: </span><a class="jive-link-external-small" href="http://localhost:8080/gwt-console-server/rs/tasks/admin" rel="nofollow" target="_blank">http://localhost:8080/gwt-console-server/rs/tasks/admin</a></p><p><span>2013-03-14 12:21:53,134 [ERROR] <ul><li>URL: '</span><a class="jive-link-external-small" href="http://localhost:8080/gwt-console-server/rs/tasks/admin" rel="nofollow" target="_blank">http://localhost:8080/gwt-console-server/rs/tasks/admin</a><span>'</span></p><p><li>Action: 'org.jboss.bpm.console.client.task.LoadTasksAction'</p><p><li>Exception: 'class com.google.gwt.http.client.RequestException'</ul></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>HTTP 500: <html><head><title>JBoss Web/7.0.13.Final - Error report</title><style><!--H1 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:22px;} H2 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:16px;} H3 {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;font-size:14px;} BODY {font-family:Tahoma,Arial,sans-serif;color:black;background-color:white;} B {font-family:Tahoma,Arial,sans-serif;color:white;background-color:#525D76;} P {font-family:Tahoma,Arial,sans-serif;background:white;color:black;font-size:12px;}A {color : black;}A.name {color : black;}HR {color : #525D76;}--></style> </head><body><h1>HTTP Status 500 - </h1><HR size="1" noshade="noshade"><p><b>type</b> Exception report</p><p><b>message</b> <u></u></p><p><b>description</b> <u>The server encountered an internal error () that prevented it from fulfilling this request.</u></p><p><b>exception</b> <pre>org.jboss.resteasy.spi.UnhandledException: java.lang.RuntimeException: Session was not initialized, check previous errors in log</p><p> org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:340)</p><p> org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:214)</p><p> org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:190)</p><p> org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:540)</p><p> org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:502)</p><p> org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119)</p><p> org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)</p><p> org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)</p><p> org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)</p><p> javax.servlet.http.HttpServlet.service(HttpServlet.java:847)</p><p> org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)</p><p></pre></p><p><b>root cause</b> <pre>java.lang.RuntimeException: Session was not initialized, check previous errors in log</p><p> org.jbpm.integration.console.StatefulKnowledgeSessionUtil.getStatefulKnowledgeSession(StatefulKnowledgeSessionUtil.java:89)</p><p> org.jbpm.integration.console.SessionInitializer.<init>(SessionInitializer.java:25)</p><p> org.jbpm.integration.console.TaskManagement.<init>(TaskManagement.java:52)</p><p> org.jbpm.integration.console.ManagementFactory.createTaskManagement(ManagementFactory.java:26)</p><p> org.jbpm.integration.console.ManagementFactory.createTaskManagement(ManagementFactory.java:19)</p><p> org.jboss.bpm.console.server.TaskListFacade.getTaskManagement(TaskListFacade.java:72)</p><p> org.jboss.bpm.console.server.TaskListFacade.getTasksForIdRef(TaskListFacade.java:101)</p><p> sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)</p><p> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)</p><p> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)</p><p> java.lang.reflect.Method.invoke(Method.java:616)</p><p> org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:155)</p><p> org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:257)</p><p> org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:222)</p><p> org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:211)</p><p> org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:525)</p><p> org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:502)</p><p> org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119)</p><p> org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)</p><p> org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)</p><p> org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)</p><p> javax.servlet.http.HttpServlet.service(HttpServlet.java:847)</p><p> org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)</p><p></pre></p><p><b>note</b> <u>The full stack trace of the root cause is available in the JBoss Web/7.0.13.Final logs.</u></p><HR size="1" noshade="noshade"><h3>JBoss Web/7.0.13.Final</h3></body></html></p><p>com.google.gwt.http.client.RequestException:</p><p><strong>HTTP 500:  </strong></p><h1><strong>HTTP Status 500 - </strong></h1><hr noshade="noshade" size="1"/><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>type</strong> Exception report</p><p><strong>message</strong> </p><p><strong>description</strong> <span style="text-decoration: underline;">The server encountered an internal error () that prevented it from fulfilling this request.</span></p><p><strong>exception</strong> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><strong>org.jboss.resteasy.spi.UnhandledException: java.lang.RuntimeException: Session was not initialized, check previous errors in log<br/>     org.jboss.resteasy.core.SynchronousDispatcher.handleApplicationException(SynchronousDispatcher.java:340)<br/>     org.jboss.resteasy.core.SynchronousDispatcher.handleException(SynchronousDispatcher.java:214)<br/>     org.jboss.resteasy.core.SynchronousDispatcher.handleInvokerException(SynchronousDispatcher.java:190)<br/>     org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:540)<br/>     org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:502)<br/>     org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119)<br/>     org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)<br/>     org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)<br/>     org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)<br/>     javax.servlet.http.HttpServlet.service(HttpServlet.java:847)<br/>     org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)<br/></strong></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>root cause</strong> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><pre class="jive-pre"><strong>java.lang.RuntimeException: Session was not initialized, check previous errors in log<br/>     org.jbpm.integration.console.StatefulKnowledgeSessionUtil.getStatefulKnowledgeSession(StatefulKnowledgeSessionUtil.java:89)<br/>     org.jbpm.integration.console.SessionInitializer.<init>(SessionInitializer.java:25)<br/>     org.jbpm.integration.console.TaskManagement.<init>(TaskManagement.java:52)<br/>     org.jbpm.integration.console.ManagementFactory.createTaskManagement(ManagementFactory.java:26)<br/>     org.jbpm.integration.console.ManagementFactory.createTaskManagement(ManagementFactory.java:19)<br/>     org.jboss.bpm.console.server.TaskListFacade.getTaskManagement(TaskListFacade.java:72)<br/>     org.jboss.bpm.console.server.TaskListFacade.getTasksForIdRef(TaskListFacade.java:101)<br/>     sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)<br/>     sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)<br/>     sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)<br/>     java.lang.reflect.Method.invoke(Method.java:616)<br/>     org.jboss.resteasy.core.MethodInjectorImpl.invoke(MethodInjectorImpl.java:155)<br/>     org.jboss.resteasy.core.ResourceMethod.invokeOnTarget(ResourceMethod.java:257)<br/>     org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:222)<br/>     org.jboss.resteasy.core.ResourceMethod.invoke(ResourceMethod.java:211)<br/>     org.jboss.resteasy.core.SynchronousDispatcher.getResponse(SynchronousDispatcher.java:525)<br/>     org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:502)<br/>     org.jboss.resteasy.core.SynchronousDispatcher.invoke(SynchronousDispatcher.java:119)<br/>     org.jboss.resteasy.plugins.server.servlet.ServletContainerDispatcher.service(ServletContainerDispatcher.java:208)<br/>     org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:55)<br/>     org.jboss.resteasy.plugins.server.servlet.HttpServletDispatcher.service(HttpServletDispatcher.java:50)<br/>     javax.servlet.http.HttpServlet.service(HttpServlet.java:847)<br/>     org.jboss.bpm.console.server.util.GWTJsonFilter.doFilter(GWTJsonFilter.java:59)<br/></strong></pre><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>note</strong> <span style="text-decoration: underline;">The full stack trace of the root cause is available in the JBoss Web/7.0.13.Final logs.</span></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><hr noshade="noshade" size="1"/><h3><strong>JBoss Web/7.0.13.Final</strong></h3><p>    at Unknown.$fillInStackTrace_1(JsArrayString.java:42)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>    at Unknown.$RequestException(StackTraceCreator.java:366)</p><p>    at Unknown.onResponseReceived_5(AbstractRESTAction.java:93)</p><p>    at Unknown.$fireOnResponseReceived(Request.java:287)</p><p>    at Unknown.onReadyStateChange_0(RequestBuilder.java:393)</p><p>    at Unknown.anonymous(XMLHttpRequest.java:258)</p><p>    at Unknown.entry0(Impl.java:146)</p><p>    at Unknown.anonymous(Impl.java:56)</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>As I've seen the error log there are two kind of exceptions:</strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>First: </strong></p><p>2:15:13,030 ERROR [org.reflections.Reflections] (MSC service thread 1-2) could not create Vfs.Dir from url. ignoring the exception and continuing: org.reflections.ReflectionsException: could not create Dir using org.jboss.errai.bus.server.service.metadata.VFSUrlType from url vfs:/content/jbpm-gwt-console.war/WEB-INF/classes/</p><p>    at org.reflections.vfs.Vfs.fromURL(Vfs.java:99) [reflections-0.9.5-RC2_jboss-SP1.jar:]</p><p>    at org.reflections.vfs.Vfs.fromURL(Vfs.java:89) [reflections-0.9.5-RC2_jboss-SP1.jar:]</p><p>    at org.reflections.Reflections.scan(Reflections.java:136) [reflections-0.9.5-RC2_jboss-SP1.jar:]</p><p>    at org.jboss.errai.bus.server.service.metadata.MetaDataScanner.<init>(MetaDataScanner.java:83) [errai-bus-1.1-Final.jar:1.1-Final]</p><p>    at org.jboss.errai.bus.server.service.metadata.MetaDataScanner.createInstance(MetaDataScanner.java:95) [errai-bus-1.1-Final.jar:1.1-Final]</p><p>    at org.jboss.errai.bus.server.service.metadata.MetaDataScanner.createInstance(MetaDataScanner.java:87) [errai-bus-1.1-Final.jar:1.1-Final]</p><p>    at org.jboss.errai.bus.server.service.ErraiServiceConfiguratorImpl.<init>(ErraiServiceConfiguratorImpl.java:58) [errai-bus-1.1-Final.jar:1.1-Final]</p><p>    at org.jboss.errai.bus.server.service.ErraiServiceConfiguratorImpl$$FastClassByGuice$$b6139751.newInstance(<generated>)</p><p>    at com.google.inject.internal.cglib.reflect.FastConstructor.newInstance(FastConstructor.java:40) [guice-2.0.jar:]</p><p>    at com.google.inject.DefaultConstructionProxyFactory$1.newInstance(DefaultConstructionProxyFactory.java:60) [guice-2.0.jar:]</p><p>    at com.google.inject.ConstructorInjector.construct(ConstructorInjector.java:85) [guice-2.0.jar:]</p><p>    at com.google.inject.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:111) [guice-2.0.jar:]</p><p>    at com.google.inject.FactoryProxy.get(FactoryProxy.java:56) [guice-2.0.jar:]</p><p>    at com.google.inject.SingleParameterInjector.inject(SingleParameterInjector.java:42) [guice-2.0.jar:]</p><p>    at com.google.inject.SingleParameterInjector.getAll(SingleParameterInjector.java:66) [guice-2.0.jar:]</p><p>    at com.google.inject.ConstructorInjector.construct(ConstructorInjector.java:84) [guice-2.0.jar:]</p><p>    at com.google.inject.ConstructorBindingImpl$Factory.get(ConstructorBindingImpl.java:111) [guice-2.0.jar:]</p><p>    at com.google.inject.ProviderToInternalFactoryAdapter$1.call(ProviderToInternalFactoryAdapter.java:45) [guice-2.0.jar:]</p><p>    at com.google.inject.InjectorImpl.callInContext(InjectorImpl.java:811) [guice-2.0.jar:]</p><p>    at com.google.inject.ProviderToInternalFactoryAdapter.get(ProviderToInternalFactoryAdapter.java:42) [guice-2.0.jar:]</p><p>    at com.google.inject.Scopes$1$1.get(Scopes.java:54) [guice-2.0.jar:]</p><p>    at com.google.inject.InternalFactoryToProviderAdapter.get(InternalFactoryToProviderAdapter.java:48) [guice-2.0.jar:]</p><p>    at com.google.inject.FactoryProxy.get(FactoryProxy.java:56) [guice-2.0.jar:]</p><p>    at com.google.inject.InjectorImpl$4$1.call(InjectorImpl.java:758) [guice-2.0.jar:]</p><p>    at com.google.inject.InjectorImpl.callInContext(InjectorImpl.java:804) [guice-2.0.jar:]</p><p>    at com.google.inject.InjectorImpl$4.get(InjectorImpl.java:754) [guice-2.0.jar:]</p><p>    at com.google.inject.InjectorImpl.getInstance(InjectorImpl.java:793) [guice-2.0.jar:]</p><p>    at org.jboss.errai.bus.server.servlet.AbstractErraiServlet.buildService(AbstractErraiServlet.java:133) [errai-bus-1.1-Final.jar:1.1-Final]</p><p>    at org.jboss.errai.bus.server.servlet.AbstractErraiServlet.init(AbstractErraiServlet.java:104) [errai-bus-1.1-Final.jar:1.1-Final]</p><p>    at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1202) [jbossweb-7.0.13.Final.jar:]</p><p>    at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:1102) [jbossweb-7.0.13.Final.jar:]</p><p>    at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:3655) [jbossweb-7.0.13.Final.jar:]</p><p>    at org.apache.catalina.core.StandardContext.start(StandardContext.java:3873) [jbossweb-7.0.13.Final.jar:]</p><p>    at org.jboss.as.web.deployment.WebDeploymentService.start(WebDeploymentService.java:90) [jboss-as-web-7.1.1.Final.jar:7.1.1.Final]</p><p>    at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811)</p><p>    at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746)</p><p>    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) [rt.jar:1.6.0_24]</p><p>    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) [rt.jar:1.6.0_24]</p><p>    at java.lang.Thread.run(Thread.java:679) [rt.jar:1.6.0_24]</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>And the second is a MySQL exception, there a lots of tables missings like:</strong></p><p>com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown table 'sequences' in information_schema</p><p>    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) [rt.jar:1.6.0_24]</p><p>    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57) [rt.jar:1.6.0_24]</p><p>    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) [rt.jar:1.6.0_24]</p><p>    at java.lang.reflect.Constructor.newInstance(Constructor.java:532) [rt.jar:1.6.0_24]</p><p>    at com.mysql.jdbc.Util.handleNewInstance(Util.java:411)</p><p>    at com.mysql.jdbc.Util.getInstance(Util.java:386)</p><p>    at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1052)</p><p>    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3609)</p><p>    at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3541)</p><p>    at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2002)</p><p>    at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2163)</p><p>    at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2618)</p><p>    at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2568)</p><p>    at com.mysql.jdbc.StatementImpl.executeQuery(StatementImpl.java:1557)</p><p>    at org.jboss.jca.adapters.jdbc.WrappedStatement.executeQuery(WrappedStatement.java:340)</p><p>    at org.hibernate.tool.hbm2ddl.DatabaseMetadata.initSequences(DatabaseMetadata.java:149) [hibernate-core-4.0.1.Final.jar:4.0.1.Final]</p><p>    at org.hibernate.tool.hbm2ddl.DatabaseMetadata.<init>(DatabaseMetadata.java:70) [hibernate-core-4.0.1.Final.jar:4.0.1.Final]</p><p>    at org.hibernate.tool.hbm2ddl.DatabaseMetadata.<init>(DatabaseMetadata.java:63) [hibernate-core-4.0.1.Final.jar:4.0.1.Final]</p><p>    at org.hibernate.tool.hbm2ddl.SchemaUpdate.execute(SchemaUpdate.java:196) [hibernate-core-4.0.1.Final.jar:4.0.1.Final]</p><p>    at org.hibernate.tool.hbm2ddl.SchemaUpdate.execute(SchemaUpdate.java:178) [hibernate-core-4.0.1.Final.jar:4.0.1.Final]</p><p>    at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:457) [hibernate-core-4.0.1.Final.jar:4.0.1.Final]</p><p>    at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1737) [hibernate-core-4.0.1.Final.jar:4.0.1.Final]</p><p>    at org.hibernate.ejb.EntityManagerFactoryImpl.<init>(EntityManagerFactoryImpl.java:84) [hibernate-entitymanager-4.0.1.Final.jar:4.0.1.Final]</p><p>    at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:904) [hibernate-entitymanager-4.0.1.Final.jar:4.0.1.Final]</p><p>    at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:889) [hibernate-entitymanager-4.0.1.Final.jar:4.0.1.Final]</p><p>    at org.hibernate.ejb.HibernatePersistence.createContainerEntityManagerFactory(HibernatePersistence.java:73) [hibernate-entitymanager-4.0.1.Final.jar:4.0.1.Final]</p><p>    at org.jboss.as.jpa.service.PersistenceUnitServiceImpl.createContainerEntityManagerFactory(PersistenceUnitServiceImpl.java:162) [jboss-as-jpa-7.1.1.Final.jar:7.1.1.Final]</p><p>    at org.jboss.as.jpa.service.PersistenceUnitServiceImpl.start(PersistenceUnitServiceImpl.java:85) [jboss-as-jpa-7.1.1.Final.jar:7.1.1.Final]</p><p>    at org.jboss.msc.service.ServiceControllerImpl$StartTask.startService(ServiceControllerImpl.java:1811)</p><p>    at org.jboss.msc.service.ServiceControllerImpl$StartTask.run(ServiceControllerImpl.java:1746)</p><p>    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110) [rt.jar:1.6.0_24]</p><p>    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603) [rt.jar:1.6.0_24]</p><p>    at java.lang.Thread.run(Thread.java:679) [rt.jar:1.6.0_24]</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p><strong>My questions are: </strong></p><p><strong>Should I create the MySQL DB schema (I thin I should), and if I should where can I find an SQL script for this?</strong></p><p><strong>The first error  also caused by the DB error?</strong></p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Thanks for your help!</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Best Regards,</p><p style="min-height: 8pt; height: 8pt; padding: 0px;"> </p><p>Csaba</p></div>
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