'How to detect the exception instance type in jsp

How to get confirm the exceptions types in jsp. I have printed Exception using ex.printStackTrace(response.getWriter()) method, but it is not professional way to show the exception to the user.

Suppose i am getting Connection expression. it arrives the exception but it will directly writes the exception on the document of HTML. it will doesn't gives/return value. I want show the professional error to the user like DB Connection Error only not lot of line code.

javajsp


Solution 1:[1]

Sorry, I got solution on this issue. I have solved it as following code snippet.

<%@ page isErrorPage="true" import="java.util.*,java.sql.*"%>
<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title></title>
</head>
<body>
    <% 
        try{
            throw exception; // it will gives exception as new, and you can get Exception type
        }catch(SQLException ex){
            out.println("<h3 style='color:red'>DataBase Connection Error</h3>");
        }
        catch (Exception e) {
            e.printStackTrace(resopnse.getWriter());
        }
    %>

</body>
</html>

Sources

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Source: Stack Overflow

Solution Source
Solution 1

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