javax.el.ELException: java.lang.NullPointerException

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    javax.el.ELException: java.lang.NullPointerException
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    Primefaces, Spring 4 with JPA (Hibernate 4/EclipseLink) Example Tutorial - JournalDev

    journaldev.com | 4 days ago
    javax.el.ELException: java.lang.NullPointerException
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    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException
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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.pape.dieng.service.EmployeeService.register()
    2. com.pape.dieng
      RegisterEmployee.register
      1. com.pape.dieng.service.EmployeeService.register(EmployeeService.java:23)
      2. com.pape.dieng.faces.bean.RegisterEmployee.register(RegisterEmployee.java:57)
      2 frames
    3. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
      4. java.lang.reflect.Method.invoke(Unknown Source)
      4 frames
    4. Pax Jsp
      AstValue.invoke
      1. org.apache.el.parser.AstValue.invoke(AstValue.java:245)
      1 frame