Fix javax.servlet doc to jakarta.servlet (#27692)

gradle/docs-dokka.gradle

@@ -20,7 +20,7 @@ tasks.findByName("dokkaHtmlPartial")?.configure {
 				url.set(new URL("https://javadoc.io/doc/org.hamcrest/hamcrest/2.1/"))
 			}
 			externalDocumentationLink {
-				url.set(new URL("https://javadoc.io/doc/javax.servlet/javax.servlet-api/latest/"))
+				url.set(new URL("https://javadoc.io/doc/jakarta.servlet/jakarta.servlet-api/latest/"))
 			}
 			externalDocumentationLink {
 				url.set(new URL("https://javadoc.io/static/io.rsocket/rsocket-core/1.1.1/"))

src/docs/asciidoc/languages/dynamic-languages.adoc

@@ -686,8 +686,8 @@ by using the Groovy dynamic language:
 	import org.springframework.web.servlet.ModelAndView
 	import org.springframework.web.servlet.mvc.Controller
 
-	import javax.servlet.http.HttpServletRequest
-	import javax.servlet.http.HttpServletResponse
+	import jakarta.servlet.http.HttpServletRequest
+	import jakarta.servlet.http.HttpServletResponse
 
 	class FortuneController implements Controller {
 

src/docs/asciidoc/web/webmvc.adoc

@@ -736,8 +736,8 @@ or to render a JSON response, as the following example shows:
 		@RequestMapping(path = "/error")
 		public Map<String, Object> handle(HttpServletRequest request) {
 			Map<String, Object> map = new HashMap<String, Object>();
-			map.put("status", request.getAttribute("javax.servlet.error.status_code"));
-			map.put("reason", request.getAttribute("javax.servlet.error.message"));
+			map.put("status", request.getAttribute("jakarta.servlet.error.status_code"));
+			map.put("reason", request.getAttribute("jakarta.servlet.error.message"));
 			return map;
 		}
 	}
@@ -751,8 +751,8 @@ or to render a JSON response, as the following example shows:
 		@RequestMapping(path = ["/error"])
 		fun handle(request: HttpServletRequest): Map<String, Any> {
 			val map = HashMap<String, Any>()
-			map["status"] = request.getAttribute("javax.servlet.error.status_code")
-			map["reason"] = request.getAttribute("javax.servlet.error.message")
+			map["status"] = request.getAttribute("jakarta.servlet.error.status_code")
+			map["reason"] = request.getAttribute("jakarta.servlet.error.message")
 			return map
 		}
 	}
@@ -1932,7 +1932,7 @@ instead.
 
 `@GetMapping` (and `@RequestMapping(method=HttpMethod.GET)`) support HTTP HEAD
 transparently for request mapping. Controller methods do not need to change.
-A response wrapper, applied in `javax.servlet.http.HttpServlet`, ensures a `Content-Length`
+A response wrapper, applied in `jakarta.servlet.http.HttpServlet`, ensures a `Content-Length`
 header is set to the number of bytes written (without actually writing to the response).
 
 `@GetMapping` (and `@RequestMapping(method=HttpMethod.GET)`) are implicitly mapped to
@@ -2053,17 +2053,17 @@ and others) and is equivalent to `required=false`.
 | Generic access to request parameters and request and session attributes, without direct
   use of the Servlet API.
 
-| `javax.servlet.ServletRequest`, `javax.servlet.ServletResponse`
+| `jakarta.servlet.ServletRequest`, `jakarta.servlet.ServletResponse`
 | Choose any specific request or response type -- for example, `ServletRequest`, `HttpServletRequest`,
   or Spring's `MultipartRequest`, `MultipartHttpServletRequest`.
 
-| `javax.servlet.http.HttpSession`
+| `jakarta.servlet.http.HttpSession`
 | Enforces the presence of a session. As a consequence, such an argument is never `null`.
   Note that session access is not thread-safe. Consider setting the
   `RequestMappingHandlerAdapter` instance's `synchronizeOnSession` flag to `true` if multiple
   requests are allowed to concurrently access a session.
 
-| `javax.servlet.http.PushBuilder`
+| `jakarta.servlet.http.PushBuilder`
 | Servlet 4.0 push builder API for programmatic HTTP/2 resource pushes.
   Note that, per the Servlet specification, the injected `PushBuilder` instance can be null if the client
   does not support that HTTP/2 feature.
@@ -2927,7 +2927,7 @@ as the following example shows:
 
 For use cases that require adding or removing session attributes, consider injecting
 `org.springframework.web.context.request.WebRequest` or
-`javax.servlet.http.HttpSession` into the controller method.
+`jakarta.servlet.http.HttpSession` into the controller method.
 
 For temporary storage of model attributes in the session as part of a controller
 workflow, consider using `@SessionAttributes` as described in
@@ -3116,7 +3116,7 @@ When the `@RequestParam` annotation is declared as a `Map<String, MultipartFile>
 `MultiValueMap<String, MultipartFile>`, without a parameter name specified in the annotation,
 then the map is populated with the multipart files for each given parameter name.
 
-NOTE: With Servlet 3.0 multipart parsing, you may also declare `javax.servlet.http.Part`
+NOTE: With Servlet 3.0 multipart parsing, you may also declare `jakarta.servlet.http.Part`
 instead of Spring's `MultipartFile`, as a method argument or collection value type.
 
 You can also use multipart content as part of data binding to a
@@ -3891,11 +3891,11 @@ level, <<mvc-exceptionhandlers, HandlerExceptionResolver>> mechanism.
 | Generic access to request parameters and request and session attributes without direct
   use of the Servlet API.
 
-| `javax.servlet.ServletRequest`, `javax.servlet.ServletResponse`
+| `jakarta.servlet.ServletRequest`, `jakarta.servlet.ServletResponse`
 | Choose any specific request or response type (for example, `ServletRequest` or
   `HttpServletRequest` or Spring's `MultipartRequest` or `MultipartHttpServletRequest`).
 
-| `javax.servlet.http.HttpSession`
+| `jakarta.servlet.http.HttpSession`
 | Enforces the presence of a session. As a consequence, such an argument is never `null`. +
   Note that session access is not thread-safe. Consider setting the
   `RequestMappingHandlerAdapter` instance's `synchronizeOnSession` flag to `true` if multiple
@@ -4768,7 +4768,7 @@ The MVC configuration also exposes several options for asynchronous requests.
 
 Filter and Servlet declarations have an `asyncSupported` flag that needs to be set to `true`
 to enable asynchronous request processing. In addition, Filter mappings should be
-declared to handle the `ASYNC` `javax.servlet.DispatchType`.
+declared to handle the `ASYNC` `jakarta.servlet.DispatchType`.
 
 In Java configuration, when you use `AbstractAnnotationConfigDispatcherServletInitializer`
 to initialize the Servlet container, this is done automatically.
@@ -6097,5 +6097,5 @@ For more details, see the
 https://github.com/spring-projects/spring-framework/wiki/HTTP-2-support[HTTP/2 wiki page].
 
 The Servlet API does expose one construct related to HTTP/2. You can use the
-`javax.servlet.http.PushBuilder` to proactively push resources to clients, and it
+`jakarta.servlet.http.PushBuilder` to proactively push resources to clients, and it
 is supported as a <<mvc-ann-arguments, method argument>> to `@RequestMapping` methods.