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via Stack Overflow by Md. Nasir Uddin
, 1 year ago
This exception has no message.
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)