Jetty getrequestdispatcher returns null

The given path must be begin with, is interpreted relative to the servers. There are two methods defined in the requestdispatcher interface. For the post requests, the mock request is configured to return a given name if present or null otherwise, and the getrequestdispatcher method returns the associated mock object. The servlet container creates the requestdispatcher object, which is used as a wrapper around a server resource located at a particular path or given by a particular name. The servlet spec isnt really clear, but only mentions returning null if the context is served from a war which isnt unpacked. I realise this topic is a week old, but hopefully i can still clear it up.

The following is lifted from the api docs for servletcontext. The following are top voted examples for showing how to use javax. The requestdispatcher interface provides the facility of dispatching the request to another resource it may be html, servlet or jsp. Returns the name of the character encoding used in the body of this request. String path the default behavior of this method is to return getrequestdispatcher string path on the wrapped request object. If the request did not include a header of the specified name, this method returns null. Stack overflow for teams is a private, secure spot for you and your coworkers to find and share information. Servlet requestdispatcher w3schools tutorialspoint w3adda. Dec 06, 2016 i think that the problem is local see my improved assumption from the warning message, i understand that. Servlet requestdispatcher interface this interface defines an object that receives request from the client and sends them to any resource which can be servlet,html or jsp. This interface is intended to wrap servlets, but a servlet container can create requestdispatcher objects to wrap any type of resources. The given path must be begin with, is interpreted relative to the servers document root.

Note that null does not mean your jsp doesnt exist at the location specified. Defines an object that receives requests from the client and sends them to any resource such as a servlet, html file, or jsp file on the server. Example demonstrating usage of requestdispatcher in this example, we will show you how requestdispatcher is used to forward or include response of a resource in a servlet. Requestdispatcher from servletrequest vs servletcontext. Subject to policyconfig the getcontextother would throw an exception, return null, or return a correct instance as hoped for. If there are multiple headers with the same name, this method returns the first head in the request. This method returns null if the servlet container cannot translate the virtual path to a real path for any reason such as when the content is being made available from a. The method uses the path to look up a servlet, using the servlet path matching rules, wraps it with a requestdispatcher object, and returns the resulting object. Requestdispatcher object that acts as a wrapper for the resource located at the given path. This allows the request object to be as lightweight as possible and not actually implement any significant behavior. According to the servlet api, getrequestdispatcher only returns null if the servletcontext cannot create a requestdispatcher, which should not happen under normal conditions, i think. The default implementation distributed with jetty is the org. If it is relative, it must be relative against the.

Strictrolecheckpolicy, which assesses a user as having a particular role if that role is at the top of the stack of roles that have been temporarily pushed onto the user, or if the user has no temporarily assigned roles, the role is among those configured for. This interface can also be used to include the content of another resource also. Returns the value of the named attribute as an object, or null if no attribute of the given name exists. The standard interface of mostly getters, is extended with setters so that the request is mutable by the handlers that it is passed to. The given path must be begin with, is interpreted relative to the servers document root and is matched against the context roots of other web. The method uses the path to look up a servlet, wraps it with a requestdispatcher object, and returns the resulting object. During deployment, when the init method is called, getrequestdispatcher returns null. This path must be relative to the root of the servletcontext and begin with a. Returns a servletcontext object that corresponds to a specified url on the server this method allows servlets to gain access to the context for various parts of the server, and as needed obtain requestdispatcher objects from the context. The following are jave code examples for showing how to use getrealpath of the javax. Returns the mime type of the specified file, or null if the mime type is not known. String is that this method can take a relative path. String uripath returns a servletcontext object that corresponds to a specified url on the server this method allows servlets to gain access to the context for various parts of the server, and as needed obtain requestdispatcher objects from the context.

The jetty start method will not return until all the components have been started. This is one of the bundles that can be downloaded from liferays release archive. The default behavior of this method is to return getremotehost on the wrapped request object. Cloudclient sends requests to jetty and gets null responses maybe you can put the io. The mime type is determined by the configuration of the servlet container, and may be specified in a web application deployment descriptor. If the path begins with a it is interpreted as relative to the current context root. The getservletpath method will return null until the request has been passed to a org. A requestdispatcher object can be used to forward a request to the resource or to include the. The getcontextpath method will return null, until the request has been passed to a contexthandler which matches the getpathinfo with a context path and calls setcontextpathstring as a result. A requestdispatcher object can be used to forward a request to the resource or to include the resource in a response. String 55 is that this method can take a relative path.

Returns the value of the specified request header as a string. The java ee 5 api documentation for the getrequestdispatcher method on both javax. The jsp successfully uses the session variables, calls request. The getrequestdispatcher method takes a string argument describing a path within the scope of the servletcontext. Servlethandler and the pathinfo matched against the servlet url patterns and setservletpathstring called as a result. Erp plm business process management ehs management supply chain management ecommerce quality management cmms.

This interface is intended to wrap servlets, but a servlet container can create requestdispatcher objects to wrap any type of resource. Jetty certainly would not produce a 403 for a non started servlet. Subject to policy config the getcontext other would throw an exception, return null, or return a correct instance as hoped for. Because jetty 6 is a completey new implementation with very little common heritage to jetty 5 you will probably find a number of things that worked in jetty 5 that dont work in 6. The difference between this method and servletcontext.

I think that the problem is local see my improved assumption from the warning message, i understand that. Returns a requestdispatcher object that acts as a wrapper for the resource located at the given path. These examples are extracted from open source projects. List contains the list of names of jar files in webinflib ordered by their web fragment names with possible exclusions if without any is being used, or null if no absolute or relative ordering has been specified. I have tried to rtfm but i just can t make it work. Dispatchers mostly working just parameter support needed.