JSTL: catch Exception

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

<html>
  <head>
    <title>The c:catch action</title>
  </head>
  <body>
    <c:catch var="signalException">
      <%
        int i= (int) (Math.random() * 10);

        if (i < 5 )
          throw new NullPointerException(); %>
    </c:catch>


    <c:choose>
      <c:when test="${signalException != null}">
        Exception occurs.
      </c:when>
      <c:otherwise>
        No Exception.
      </c:otherwise>
    </c:choose>
  </body>
</html>

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JSTL: catch Exception : Exceptions « JSTL « Java

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