JSTL - Core <c:catch> Tag

The <c:catch> tag catches any Throwable that occurs in its body and optionally exposes it. It is used for error handling and to deal more gracefully with the problem.


The <c:catch> tag has the following attributes −

Attribute Description Required Default
var The name of the variable to hold the java.lang.Throwable if thrown by elements in the body. No None


<%@ taglib uri = "http://java.sun.com/jsp/jstl/core" prefix = "c" %>

      <title><c:catch> Tag Example</title>

      <c:catch var ="catchException">
         <% int x = 5/0;%>

      <c:if test = "${catchException != null}">
         <p>The exception is : ${catchException} <br />
         There is an exception: ${catchException.message}</p>

The above code will generate the following result −

The exception is : java.lang.ArithmaticException: / by zero
There is an exception: / by zero
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