java.lang.NullPointerException

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    Spring @Autowired NullPointerException

    Stack Overflow | 9 months ago | Md. Nasir Uddin
    java.lang.NullPointerException

    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.netizenbd.controller.StudentMB.saveStudent()
    2. com.netizenbd.controller
      StudentMB.saveStudent
      1. com.netizenbd.controller.StudentMB.saveStudent(StudentMB.java:26)
      1 frame
    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. EL
      MethodExpressionImpl.invoke
      1. com.sun.el.parser.AstValue.invoke(AstValue.java:234)
      2. com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:297)
      2 frames