Object passed via jsp:param throws javax.el.PropertyNotFoundException: Property 'foo' not found on type java.lang.String

Question

I know this might be silly question and i tried googling but didnt got perfect answer.

I am using following code

Answer 1

HTTP request parameters are treated as strings. With jsp:param it's basically been converted to string by String#valueOf(). Rather store it as object in the request scope with help of .

---

  
    ${batchProgressMetrics["clientId"]}    
    ${batchProgressMetrics["instrumentStats"]["totalImntsCompleted"]}  
    ${batchProgressMetrics["instrumentStats"]["totalImntsRemaining"]}