Which tag in JSP is used to define error page?
In order to make any JSP page as an error page, you need to use “isErrorPage” attribute of the page directive and mark it true. This is a preferred way of showing error messages in Java web applications if you have custom error messages based on JSP and it also supersedes any application-wide error page defined in web.
How can we perform exception handling in JSP?
There are three ways to catch an exception in JSP pages:
- Using error page and isErrorPage. Syntax: <%@ page errorPage=”exception.jsp” %>
- Try and Catch Block. This method is known for catching exceptions directly using a try and catch block like core java. Example:
- Using web. xml configuration.
How Restful Web Services display custom error pages?
To throw a custom error in your REST API, do the following:
- Create a User Exception for the custom error you want to throw.
- Go to the flow of the REST API method or the callback (such as OnAuthentication or OnRequest) where you want to throw the error and add a Raise Error element.
How can we create JSP custom tags Mcq?
For creating any custom tag, we need to follow following steps:
- Create the Tag handler class and perform action at the start or at the end of the tag.
- Create the Tag Library Descriptor (TLD) file and define tags.
- Create the JSP file that uses the Custom tag defined in the TLD file.
How do you display custom error pages using Restful Web Services Extends Status service?
How to display custom error pages using RestFull web services? Ans: In order to customize error you need to extend StatusService and implement getRepresentation(Status, Request, Response) method with your custom code now assign instance of your CustomStatusService to appropriate “statusService property”.
How is error handling done in Web service?
The exceptions raised by the Web service need to be handled on the client side. The Code property will be set to Client if the exception is caused by an invalid input from the client. If the exception is caused by the Web service code (for example, the database server is down), the Code property will be set to Server.