Servlet sendredirect vs requestdispatcher include

This resource is typically another servlet or jsp page. The requestdispatcher interface provides the facility of dispatching the request to another resource it may be html, servlet or jsp. The requestdispatcher interface allows you to do a server side forward include whereas sendredirect does a client side redirect. This interface can also be used to include the content of another resource also. Calling servlet from servlet what is request dispatcher example of request dispatcher sendredirect. Difference in sendredirect and requestdispatcher in servlet. Requestdispatcher is used whenever the programmer would like dispatch the request to another resource like html. Servlet requestdispatcher forward and include method. There are two methods defined in the requestdispatcher interface. Here are the basic differences between a requestdispatcher s forward and sendredirect of the servletresponse interface. Servlet collaboration in java using requestdispatcher and. Interservlet communication, requestdispatcher, include, forward, sendredirect by arjun for complete list of videos please visit.

The browser is completely unaware that it has taken place, so its original url remains intact. To do this, we use the forward method belonging to the requestdispatcher interface. Client side do not know which resource that has been forwarded to. There are two methods in servlet to dispatch user request to other web resources such as jsp, html or another servlet in the same or different web applications. In this lesson you will understand when and how to use sendredirect method. Difference between sendredirect and forward in jsp servlet. When we use the forward method, the request is transferred to another resource within the same server. The request is transfer to other resource within same server. Following figures give the visual difference you can grasp include vs forward. Requestdispatcher vs sendredirect a controller servlet can conclude either a forward or a redirect operation at the end of processing a request.

Difference between forward and sendredirect in servlet. Let us make a table of differences include vs forward. The key difference between the two is the fact that the forward method will close the output stream after it has been invoked, whereas the include method leaves the output stream open. Sendredirect will search the content between the servers. You get the requestdispatcher reference either from servletcontext or. Using sendredirect method servlet tutorial studytonight. Requestdispatcher is used to dispatch request to the resource run in same web applications, and sendredirect can be used to redirect client user to. Forward this method is declared in requestdispatcher interface. Or to say, used to connect to another web resource. The sendredirect method is executed in the client side.