java.lang.NullPointerException

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  • Spring @Autowired NullPointerException
    via Stack Overflow by Md. Nasir Uddin
    ,
    • java.lang.NullPointerException at com.netizenbd.controller.StudentMB.saveStudent(StudentMB.java:26) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at com.sun.el.parser.AstValue.invoke(AstValue.java:234) at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:297)
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