org.hibernate.MappingException: Unknown entity: com.csm.app1st.model.User

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    Error org.hibernate.MappingException: Unknown entity: com.csm.app1st.model.User

    Stack Overflow | 2 months ago | Scarj
    org.hibernate.MappingException: Unknown entity: com.csm.app1st.model.User
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    Root Cause Analysis

    1. org.hibernate.MappingException

      Unknown entity: com.csm.app1st.model.User

      at org.hibernate.metamodel.internal.MetamodelImpl.entityPersister()
    2. org.hibernate.metamodel
      MetamodelImpl.entityPersister
      1. org.hibernate.metamodel.internal.MetamodelImpl.entityPersister(MetamodelImpl.java:620)
      1 frame
    3. Hibernate
      SessionImpl.save
      1. org.hibernate.internal.SessionImpl.getEntityPersister(SessionImpl.java:1606)
      2. org.hibernate.event.internal.AbstractSaveEventListener.saveWithGeneratedId(AbstractSaveEventListener.java:104)
      3. org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.saveWithGeneratedOrRequestedId(DefaultSaveOrUpdateEventListener.java:192)
      4. org.hibernate.event.internal.DefaultSaveEventListener.saveWithGeneratedOrRequestedId(DefaultSaveEventListener.java:38)
      5. org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.entityIsTransient(DefaultSaveOrUpdateEventListener.java:177)
      6. org.hibernate.event.internal.DefaultSaveEventListener.performSaveOrUpdate(DefaultSaveEventListener.java:32)
      7. org.hibernate.event.internal.DefaultSaveOrUpdateEventListener.onSaveOrUpdate(DefaultSaveOrUpdateEventListener.java:73)
      8. org.hibernate.internal.SessionImpl.fireSave(SessionImpl.java:675)
      9. org.hibernate.internal.SessionImpl.save(SessionImpl.java:667)
      10. org.hibernate.internal.SessionImpl.save(SessionImpl.java:662)
      10 frames
    4. com.csm.app1st
      AddUser.doPost
      1. com.csm.app1st.controller.AddUser.doPost(AddUser.java:40)
      1 frame
    5. JavaServlet
      HttpServlet.service
      1. javax.servlet.http.HttpServlet.service(HttpServlet.java:650)
      2. javax.servlet.http.HttpServlet.service(HttpServlet.java:731)
      2 frames
    6. Glassfish Core
      ApplicationFilterChain.doFilter
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:303)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      2 frames
    7. Tomcat WS
      WsFilter.doFilter
      1. org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:52)
      1 frame
    8. Glassfish Core
      CoyoteAdapter.service
      1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:241)
      2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:208)
      3. org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:218)
      4. org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:122)
      5. org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:505)
      6. org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:169)
      7. org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:103)
      8. org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:956)
      9. org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:116)
      10. org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:442)
      10 frames
    9. Grizzly HTTP
      JIoEndpoint$SocketProcessor.run
      1. org.apache.coyote.http11.AbstractHttp11Processor.process(AbstractHttp11Processor.java:1083)
      2. org.apache.coyote.AbstractProtocol$AbstractConnectionHandler.process(AbstractProtocol.java:640)
      3. org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:318)
      3 frames
    10. Java RT
      ThreadPoolExecutor$Worker.run
      1. java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
      2. java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
      2 frames
    11. Tomcat Util
      TaskThread$WrappingRunnable.run
      1. org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
      1 frame
    12. Java RT
      Thread.run
      1. java.lang.Thread.run(Unknown Source)
      1 frame