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javajspservletsparameter-passinghttpserver

Sending a variable to a servlet

I want to pass a variable to servlet, using a form in a jsp file:

<form action="userSrevlet">
    <input name="username" type="hidden" value="<%=username%>"/>
    <input type="submit" value="User"/>
</form>

However I get 

HTTP Status 500 - Unable to compile class for JSP

error after adding the value of the variable that way. How can I send it?

Solution

  • You might be getting error due missing value for username i.e. username variable is not found or set. Better way is to use EL i.e. ${username} which will take set value="" if username is not found.