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Httpservletresponse Senderror Example

Overflow the company Business Learn more about hiring developers or posting ads with us httpservletresponse error message Stack Overflow Questions Jobs Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community httpservletresponse setstatus of 4.7 million programmers, just like you, helping each other. Join them; it only takes a minute: Sign up How to properly send an HTTP message to the client up vote 30 down vote favorite

Httpservletresponse Senderror Json

4 I'm working on a RESTful web service in Java. I need a good way to send error messages to the client if something's wrong. According to the Javadoc, HttpServletResponse.setStatus(int status, String message) is deprecated "due to ambiguous meaning of the message parameter." Is there a preferred way to set the status message or "reason phrase" of the response? The sendError(int, String) method doesn't do it. EDIT: To clarify, I want

Senderror Vs Setstatus

to modify the HTTP status line, i.e. "HTTP/1.1 404 Not Found", not the body content. Specifically, I'd like to send responses like "HTTP/1.1 400 Missing customerNumber parameter". java http java-ee servlets status share|improve this question edited Nov 17 '11 at 21:58 palacsint 16.3k55080 asked Jul 8 '09 at 22:26 Adam Crume 10.2k53647 Is there something wrong with the default reason phrase that your servlet container returns when you use sendError? –laz Jul 8 '09 at 22:49 There's nothing particularly wrong with it, just that I want to send a more specific message. –Adam Crume Jul 8 '09 at 23:28 add a comment| 7 Answers 7 active oldest votes up vote 12 down vote accepted I don't think any RESTful client would expect to look at the reason phrase to figure out what went wrong; most RESTful services I've seen/used will send the standard status info and an expanded message in the body of the response. sendError(int, String) is ideal for that situation. share|improve this answer answered Jul 8 '09 at 23:38 Hank Gay 44.8k21122199 2 A couple of people have argued that I shouldn't even be sending the message via the reason phrase, and I guess I'm convinced. I can't use sendError(int, String), though, because the con

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Httpservletresponse Setheader

Documentation Tags Users Badges Ask Question x Dismiss Join the Stack Overflow Community Stack Overflow is a community of 4.7 million programmers, just httpservletresponse setheader example like you, helping each other. Join them; it only takes a minute: Sign up How do I throw a 404 error from within a java servlet? up vote 42 down vote favorite 5 How do I throw http://stackoverflow.com/questions/1100869/how-to-properly-send-an-http-message-to-the-client a 404 error from within a java servlet? My web.xml already specifies what page to show when there is a 404, how do I throw a 404 from within a servlet? java servlets share|improve this question edited Jul 15 '10 at 22:23 Pascal Thivent 399k77820991 asked Jul 15 '10 at 18:58 Kyle 8,4212284160 add a comment| 2 Answers 2 active oldest votes up vote 90 down vote accepted The Servlet API gives you a method http://stackoverflow.com/questions/3258942/how-do-i-throw-a-404-error-from-within-a-java-servlet to send a 404 or any other HTTP status code. It's the sendError method of HttpServletResponse: public void doGet(HttpServletRequest request, HttpServletResponse response) { response.sendError(HttpServletResponse.SC_NOT_FOUND); } share|improve this answer answered Jul 15 '10 at 19:04 Ladlestein 4,4242446 3 After generating this error, whether user will be redirected to error page if configured in web.xml ? –Shadow Apr 10 '14 at 9:41 add a comment| up vote 5 down vote In your doGet or doPost method you have a parameter HttpServletResponse res 404 is a status code which can be set by: res.setStatus(HttpServletResponse.SC_NOT_FOUND); share|improve this answer answered Jul 15 '10 at 19:06 stacker 44.6k1388163 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password Post as a guest Name Email Post as a guest Name Email discard By posting your answer, you agree to the privacy policy and terms of service. Not the answer you're looking for? Browse other questions tagged java servlets or ask your own question. asked 6 years ago viewed 39635 times active 6 years ago Blog Stack Overflow Podcast #91 - Can You Stump Nick Craver? Related 2Java Servlet 404 errors1226How do I call one constructor from another in Java?104How do you return a JSON object from a Java Servlet

SOAEJB3SpringPDFEmailJ2MEJ2EE ApplicationXMLDesign PatternLogSecurityApache CommonAntJUnitServlet Response Send Error : Response«Servlet«Java TutorialJava TutorialServletResponseimport java.io.*; import javax.servlet.*; import javax.servlet.http.*; http://www.java2s.com/Tutorial/Java/0400__Servlet/ServletResponseSendError.htm import java.net.*; public class MyServlet extends HttpServlet { public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException { res.setBufferSize(8 * 1024); // 8K buffer res.setContentType("text/html"); PrintWriter httpservletresponse set out = res.getWriter(); int size = res.getBufferSize(); // returns 8096 or greater // Record the default size, in the log log("The default buffer size is " httpservletresponse send error + size); out.println("The client won't see this"); res.reset(); out.println("And this won't be seen if sendError() is called"); if (req.getParameter("important_parameter") == null) { res.sendError(res.SC_BAD_REQUEST, "important_parameter needed"); } } } MyServletName MyServlet MyServletName /index.html Download:ServletResponseSendError.zip( 89 k) 25.13.Response25.13.1.Servlet Response Send Redirect25.13.2.Servlet Response Send Error25.13.3.Servlet OutputStream25.13.4.Get Servlet OutputStream from Servlet Response25.13.5.HTTP Responsejava2s.com |Email:info at java2s.com|© Demo Source and Support. All rights reserved.

 

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