Java Persistence API - Hibernate - Cannot Build EntityManagerFactory

I have a problem with JPA that I cannot solve.

Im deploying my webapp to 3+ glass fish, and when the EntityManagerFactory needs to be built, it always throws an exeption:

javax.persistence.PersistenceException: [PersistenceUnit: lab4] Unable to build EntityManagerFactory 

There is a stack trace:

 javax.faces.el.EvaluationException: javax.persistence.PersistenceException: [PersistenceUnit: lab4] Unable to build EntityManagerFactory at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:102) 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:794) at javax.faces.component.UIViewRoot.processApplication(UIViewRoot.java:1259) 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:118) at javax.faces.webapp.FacesServlet.service(FacesServlet.java:593) at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1542) at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:281) at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:175) at org.apache.catalina.core.StandardPipeline.doInvoke(StandardPipeline.java:655) at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:595) at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:161) at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:331) at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:231) at com.sun.enterprise.v3.services.impl.ContainerMapper$AdapterCallable.call(ContainerMapper.java:317) at com.sun.enterprise.v3.services.impl.ContainerMapper.service(ContainerMapper.java:195) at com.sun.grizzly.http.ProcessorTask.invokeAdapter(ProcessorTask.java:849) at com.sun.grizzly.http.ProcessorTask.doProcess(ProcessorTask.java:746) at com.sun.grizzly.http.ProcessorTask.process(ProcessorTask.java:1045) at com.sun.grizzly.http.DefaultProtocolFilter.execute(DefaultProtocolFilter.java:228) at com.sun.grizzly.DefaultProtocolChain.executeProtocolFilter(DefaultProtocolChain.java:137) at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:104) at com.sun.grizzly.DefaultProtocolChain.execute(DefaultProtocolChain.java:90) at com.sun.grizzly.http.HttpProtocolChain.execute(HttpProtocolChain.java:79) at com.sun.grizzly.ProtocolChainContextTask.doCall(ProtocolChainContextTask.java:54) at com.sun.grizzly.SelectionKeyContextTask.call(SelectionKeyContextTask.java:59) at com.sun.grizzly.ContextTask.run(ContextTask.java:71) at com.sun.grizzly.util.AbstractThreadPool$Worker.doWork(AbstractThreadPool.java:532) at com.sun.grizzly.util.AbstractThreadPool$Worker.run(AbstractThreadPool.java:513) at java.lang.Thread.run(Thread.java:722) Caused by: javax.persistence.PersistenceException: [PersistenceUnit: lab4] Unable to build EntityManagerFactory at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:930) at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:904) at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:72) at javax.persistence.Persistence.createEntityManagerFactory(Unknown Source) at javax.persistence.Persistence.createEntityManagerFactory(Unknown Source) at formel0api.EntityM.invoke(EntityM.java:40) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:601) at javax.el.BeanELResolver.invokeMethod(BeanELResolver.java:779) at javax.el.BeanELResolver.invoke(BeanELResolver.java:528) at javax.el.CompositeELResolver.invoke(CompositeELResolver.java:257) at com.sun.el.parser.AstValue.invoke(AstValue.java:248) at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:302) at com.sun.faces.facelets.el.TagMethodExpression.invoke(TagMethodExpression.java:105) at javax.faces.component.MethodBindingMethodExpressionAdapter.invoke(MethodBindingMethodExpressionAdapter.java:88) ... 32 more Caused by: org.hibernate.service.jndi.JndiException: Unable to lookup JNDI name [java:comp/env/jdbc/lab4] at org.hibernate.service.jndi.internal.JndiServiceImpl.locate(JndiServiceImpl.java:68) at org.hibernate.service.jdbc.connections.internal.DatasourceConnectionProviderImpl.configure(DatasourceConnectionProviderImpl.java:116) at org.hibernate.service.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:75) at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:159) at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:131) at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.buildJdbcConnectionAccess(JdbcServicesImpl.java:223) at org.hibernate.engine.jdbc.internal.JdbcServicesImpl.configure(JdbcServicesImpl.java:89) at org.hibernate.service.internal.StandardServiceRegistryImpl.configureService(StandardServiceRegistryImpl.java:75) at org.hibernate.service.internal.AbstractServiceRegistryImpl.initializeService(AbstractServiceRegistryImpl.java:159) at org.hibernate.service.internal.AbstractServiceRegistryImpl.getService(AbstractServiceRegistryImpl.java:131) at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:78) at org.hibernate.cfg.Configuration.buildSettingsInternal(Configuration.java:2283) at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2279) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1748) at org.hibernate.ejb.EntityManagerFactoryImpl.<init>(EntityManagerFactoryImpl.java:94) at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:920) ... 48 more Caused by: javax.naming.NamingException: Lookup failed for 'java:comp/env/jdbc/lab4' in SerialContext[myEnv={java.naming.factory.initial=com.sun.enterprise.naming.impl.SerialInitContextFactory, java.naming.factory.state=com.sun.corba.ee.impl.presentation.rmi.JNDIStateFactoryImpl, java.naming.factory.url.pkgs=com.sun.enterprise.naming} [Root exception is javax.naming.NamingException: Lookup failed for 'jdbc/lab4' in SerialContext[myEnv={java.naming.factory.initial=com.sun.enterprise.naming.impl.SerialInitContextFactory, java.naming.factory.state=com.sun.corba.ee.impl.presentation.rmi.JNDIStateFactoryImpl, java.naming.factory.url.pkgs=com.sun.enterprise.naming, com.sun.enterprise.naming.logicalName=java:comp/env/jdbc/lab4} [Root exception is javax.naming.NameNotFoundException: lab4 not found]] at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:518) at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:455) at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:654) at javax.naming.InitialContext.lookup(InitialContext.java:415) at javax.naming.InitialContext.lookup(InitialContext.java:415) at org.hibernate.service.jndi.internal.JndiServiceImpl.locate(JndiServiceImpl.java:65) ... 63 more Caused by: javax.naming.NamingException: Lookup failed for 'jdbc/lab4' in SerialContext[myEnv={java.naming.factory.initial=com.sun.enterprise.naming.impl.SerialInitContextFactory, java.naming.factory.state=com.sun.corba.ee.impl.presentation.rmi.JNDIStateFactoryImpl, java.naming.factory.url.pkgs=com.sun.enterprise.naming, com.sun.enterprise.naming.logicalName=java:comp/env/jdbc/lab4} [Root exception is javax.naming.NameNotFoundException: lab4 not found] at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:518) at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:455) at javax.naming.InitialContext.lookup(InitialContext.java:411) at javax.naming.InitialContext.lookup(InitialContext.java:411) at com.sun.enterprise.naming.util.JndiNamingObjectFactory.create(JndiNamingObjectFactory.java:90) at com.sun.enterprise.naming.impl.GlassfishNamingManagerImpl.lookup(GlassfishNamingManagerImpl.java:776) at com.sun.enterprise.naming.impl.GlassfishNamingManagerImpl.lookup(GlassfishNamingManagerImpl.java:744) at com.sun.enterprise.naming.impl.JavaURLContext.lookup(JavaURLContext.java:169) at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:498) ... 68 more Caused by: javax.naming.NameNotFoundException: lab4 not found at com.sun.enterprise.naming.impl.TransientContext.doLookup(TransientContext.java:248) at com.sun.enterprise.naming.impl.TransientContext.lookup(TransientContext.java:215) at com.sun.enterprise.naming.impl.TransientContext.lookup(TransientContext.java:219) at com.sun.enterprise.naming.impl.SerialContextProviderImpl.lookup(SerialContextProviderImpl.java:77) at com.sun.enterprise.naming.impl.LocalSerialContextProviderImpl.lookup(LocalSerialContextProviderImpl.java:119) at com.sun.enterprise.naming.impl.SerialContext.lookup(SerialContext.java:505) ... 76 more 

it seems to me that lab4 cannot be found, but my persitance.xml should be correct:

 <persistence version="2.0" 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_2_0.xsd"> <persistence-unit name="lab4" transaction-type="RESOURCE_LOCAL"> <provider>org.hibernate.ejb.HibernatePersistence</provider> <non-jta-data-source>java:comp/env/jdbc/lab4</non-jta-data-source> <class>tuwien.big.formel0.picasa.RaceDriver</class> <class>formel0api.User</class> <exclude-unlisted-classes>true</exclude-unlisted-classes> <properties> <property name="hibernate.dialect" value="org.hibernate.dialect.H2Dialect"/> <property name="hibernate.hbm2ddl.auto" value="create-drop"/> </properties> </persistence-unit> </persistence> 

And here is the class in which the EntityManager (Factory) is created:

 package formel0api; import javax.faces.bean.ManagedBean; import javax.faces.bean.ApplicationScoped; import javax.persistence.EntityManager; import javax.persistence.EntityManagerFactory; import javax.persistence.Persistence; /** * * @author Jakob */ @ManagedBean(name="entity") @ApplicationScoped public class EntityM { EntityManagerFactory emf; EntityManager em; /** * Creates a new instance of EntityManager */ public EntityM() { } public void invoke() { emf = Persistence.createEntityManagerFactory("lab4"); em = emf.createEntityManager(); } } 

context.xml

 <?xml version="1.0" encoding="UTF-8"?> <Context antiJARLocking="true" path="/lab4"> <Resource auth="Container" driverClassName="org.h2.Driver" initialSize="4" maxActive="100" maxIdle="100" maxWait="10000" minIdle="1" name="jdbc/lab4" password="lab4" type="javax.sql.DataSource" url="jdbc:h2:mem:lab4;DB_CLOSE_ON_EXIT=FALSE " username="lab4"/> </Context> 

web.xml

 <?xml version="1.0" encoding="UTF-8"?> <web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"> <context-param> <param-name>javax.faces.PROJECT_STAGE</param-name> <param-value>Development</param-value> </context-param> <servlet> <servlet-name>Faces Servlet</servlet-name> <servlet-class>javax.faces.webapp.FacesServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>Faces Servlet</servlet-name> <url-pattern>/faces/*</url-pattern> </servlet-mapping> <session-config> <session-timeout> 30 </session-timeout> </session-config> <welcome-file-list> <welcome-file>faces/index.xhtml</welcome-file> </welcome-file-list> <servlet> <servlet-name>H2Console</servlet-name> <servlet-class>org.h2.server.web.WebServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>H2Console</servlet-name> <url-pattern>/console/*</url-pattern> </servlet-mapping> </web-app> 

The call is basically called clicking the submit button in the xhtml file.

It would be very nice if someone could help me figure out what could be the problem, since I'm already quite ignorant.

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2 answers

An exception indicates that the JNDI name of the data source was not found.

Check the database connection settings and application container settings to make sure that the data source is up and running and that it is displayed through this jndi java:comp/env/jdbc/lab4 name java:comp/env/jdbc/lab4

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Yes, look at your JNDI name and its data source. Make sure this is actually the name java:comp/env/jdbc/lab4 An exception is java:comp/env/jdbc/lab4 because the JNDI lookup is not found or is invalid.

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Source: https://habr.com/ru/post/1482743/


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