org.hibernate.exception.GenericJDBCException: Cannot open connection

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Root Cause Analysis

  1. org.hibernate.exception.GenericJDBCException

    Cannot open connection

    at org.hibernate.exception.SQLStateConverter.handledNonSpecificException()
  2. Hibernate
    JDBCTransaction.begin
    1. org.hibernate.exception.SQLStateConverter.handledNonSpecificException(SQLStateConverter.java:126)
    2. org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter.java:114)
    3. org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:66)
    4. org.hibernate.exception.JDBCExceptionHelper.convert(JDBCExceptionHelper.java:52)
    5. org.hibernate.jdbc.ConnectionManager.openConnection(ConnectionManager.java:449)
    6. org.hibernate.jdbc.ConnectionManager.getConnection(ConnectionManager.java:167)
    7. org.hibernate.jdbc.JDBCContext.connection(JDBCContext.java:142)
    8. org.hibernate.transaction.JDBCTransaction.begin(JDBCTransaction.java:85)
    8 frames
  3. Hibernate
    SessionImpl.beginTransaction
    1. org.hibernate.impl.SessionImpl.beginTransaction(SessionImpl.java:1354)
    1 frame
  4. com.aexp.freelancerdb
    ShowList.doPost
    1. com.aexp.freelancerdb.dao.PositionDAO.getPositionsList(PositionDAO.java:47)
    2. com.aexp.freelancerdb.forms.ShowList.doPost(ShowList.java:68)
    2 frames
  5. JavaServlet
    HttpServlet.service
    1. javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
    2. javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    2 frames
  6. Glassfish Core
    ApplicationDispatcher.forward
    1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    2. org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
    3. org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
    4. org.apache.catalina.core.ApplicationDispatcher.processRequest(ApplicationDispatcher.java:436)
    5. org.apache.catalina.core.ApplicationDispatcher.doForward(ApplicationDispatcher.java:374)
    6. org.apache.catalina.core.ApplicationDispatcher.forward(ApplicationDispatcher.java:302)
    6 frames
  7. com.aexp.freelancerdb
    Controller.doPost
    1. com.aexp.freelancerdb.servlet.Controller.doPost(Controller.java:79)
    1 frame
  8. JavaServlet
    HttpServlet.service
    1. javax.servlet.http.HttpServlet.service(HttpServlet.java:637)
    2. javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
    2 frames
  9. Glassfish Core
    ApplicationFilterChain.internalDoFilter
    1. org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
    1 frame