javax.persistence.PersistenceException

There are no available Samebug tips for this exception. Do you have an idea how to solve this issue? A short tip would help users who saw this issue last week.

  • example from booting seam with multiple persistence.xml's in play: FAILED CONFIGURATION: @BeforeClass init javax.persistence.PersistenceException: org.hibernate.HibernateException: Hibernate Dialect must be explicitly set at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:698) at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:121) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:51) at org.jboss.seam.persistence.EntityManagerFactory.createEntityManagerFactory(EntityManagerFactory.java:85) at org.jboss.seam.persistence.EntityManagerFactory.startup(EntityManagerFactory.java:50) at org.jboss.seam.util.Reflections.invoke(Reflections.java:21) at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:125) at org.jboss.seam.Component.callComponentMethod(Component.java:2082) at org.jboss.seam.Component.callCreateMethod(Component.java:1997) at org.jboss.seam.Component.newInstance(Component.java:1968) at org.jboss.seam.contexts.Contexts.startup(Contexts.java:304) at org.jboss.seam.contexts.Contexts.startup(Contexts.java:278) at org.jboss.seam.contexts.ServletLifecycle.endInitialization(ServletLifecycle.java:95) at org.jboss.seam.init.Initialization.init(Initialization.java:555) at org.jboss.seam.mock.BaseSeamTest.init(BaseSeamTest.java:939) at org.jboss.seam.mock.SeamTest.init(SeamTest.java:42) Caused by: org.hibernate.HibernateException: Hibernate Dialect must be explicitly set at org.hibernate.dialect.DialectFactory.determineDialect(DialectFactory.java:57) at org.hibernate.dialect.DialectFactory.buildDialect(DialectFactory.java:39) at org.hibernate.cfg.SettingsFactory.determineDialect(SettingsFactory.java:409) at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:119) at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2006) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1289) at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:691) ... 41 more ... Removed 26 stack frames No context whatsoever on what persistence unit out of 2 that is the culrpit. javax.persistence.PersistenceException: [test1unit] org.hibernate.HibernateException: Hibernate Dialect must be explicitly set would have saved me alot of time ,)
    via by Max Rydahl Andersen,
  • example from booting seam with multiple persistence.xml's in play: FAILED CONFIGURATION: @BeforeClass init javax.persistence.PersistenceException: org.hibernate.HibernateException: Hibernate Dialect must be explicitly set at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:698) at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:121) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:51) at org.jboss.seam.persistence.EntityManagerFactory.createEntityManagerFactory(EntityManagerFactory.java:85) at org.jboss.seam.persistence.EntityManagerFactory.startup(EntityManagerFactory.java:50) at org.jboss.seam.util.Reflections.invoke(Reflections.java:21) at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:125) at org.jboss.seam.Component.callComponentMethod(Component.java:2082) at org.jboss.seam.Component.callCreateMethod(Component.java:1997) at org.jboss.seam.Component.newInstance(Component.java:1968) at org.jboss.seam.contexts.Contexts.startup(Contexts.java:304) at org.jboss.seam.contexts.Contexts.startup(Contexts.java:278) at org.jboss.seam.contexts.ServletLifecycle.endInitialization(ServletLifecycle.java:95) at org.jboss.seam.init.Initialization.init(Initialization.java:555) at org.jboss.seam.mock.BaseSeamTest.init(BaseSeamTest.java:939) at org.jboss.seam.mock.SeamTest.init(SeamTest.java:42) Caused by: org.hibernate.HibernateException: Hibernate Dialect must be explicitly set at org.hibernate.dialect.DialectFactory.determineDialect(DialectFactory.java:57) at org.hibernate.dialect.DialectFactory.buildDialect(DialectFactory.java:39) at org.hibernate.cfg.SettingsFactory.determineDialect(SettingsFactory.java:409) at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:119) at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2006) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1289) at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:691) ... 41 more ... Removed 26 stack frames No context whatsoever on what persistence unit out of 2 that is the culrpit. javax.persistence.PersistenceException: [test1unit] org.hibernate.HibernateException: Hibernate Dialect must be explicitly set would have saved me alot of time ,)
    via by Max Rydahl Andersen,
  • problem in pro EJB3 chapter 2 code
    via by Niranjan Deshpande,
    • javax.persistence.PersistenceException: org.hibernate.HibernateException: Hibernate Dialect must be explicitly set at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:698) at org.hibernate.ejb.HibernatePersistence.createEntityManagerFactory(HibernatePersistence.java:121) at javax.persistence.Persistence.createEntityManagerFactory(Persistence.java:51) at org.jboss.seam.persistence.EntityManagerFactory.createEntityManagerFactory(EntityManagerFactory.java:85) at org.jboss.seam.persistence.EntityManagerFactory.startup(EntityManagerFactory.java:50) at org.jboss.seam.util.Reflections.invoke(Reflections.java:21) at org.jboss.seam.util.Reflections.invokeAndWrap(Reflections.java:125) at org.jboss.seam.Component.callComponentMethod(Component.java:2082) at org.jboss.seam.Component.callCreateMethod(Component.java:1997) at org.jboss.seam.Component.newInstance(Component.java:1968) at org.jboss.seam.contexts.Contexts.startup(Contexts.java:304) at org.jboss.seam.contexts.Contexts.startup(Contexts.java:278) at org.jboss.seam.contexts.ServletLifecycle.endInitialization(ServletLifecycle.java:95) at org.jboss.seam.init.Initialization.init(Initialization.java:555) at org.jboss.seam.mock.BaseSeamTest.init(BaseSeamTest.java:939) at org.jboss.seam.mock.SeamTest.init(SeamTest.java:42) Caused by: org.hibernate.HibernateException: Hibernate Dialect must be explicitly set at org.hibernate.dialect.DialectFactory.determineDialect(DialectFactory.java:57) at org.hibernate.dialect.DialectFactory.buildDialect(DialectFactory.java:39) at org.hibernate.cfg.SettingsFactory.determineDialect(SettingsFactory.java:409) at org.hibernate.cfg.SettingsFactory.buildSettings(SettingsFactory.java:119) at org.hibernate.cfg.Configuration.buildSettings(Configuration.java:2006) at org.hibernate.cfg.Configuration.buildSessionFactory(Configuration.java:1289) at org.hibernate.ejb.Ejb3Configuration.buildEntityManagerFactory(Ejb3Configuration.java:691) ... 16 more

    Users with the same issue

    Unknown visitor
    Unknown visitor1 times, last one,
    Unknown visitor
    Unknown visitor2 times, last one,
    Unknown visitor
    Unknown visitor1 times, last one,
    Unknown visitor
    Unknown visitor1 times, last one,
    nasimknasimk
    2 times, last one,
    11 more bugmates