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Tag: ajax

How to pass an object from front-end to Struts 2

I am trying to send value of a field to Struts2 back-end through JavaScript but it returns NullpointerException. Once form is submitted the request will be sent to the following JavaScript method to be sent to back-end. the request will be created and sent as following But in back-end when I try to show the value it returns NullPointerException. Java: