java.lang.NullPointerException: This exception has no message.

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, 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 com.sun.el.parser.AstValue.invoke(AstValue.java:234)
at com.sun.el.MethodExpressionImpl.invoke(MethodExpressionImpl.java:297)

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