servlets

问题 I was always wondering why no primefaces theme gets applied and could never fix it. Today I found out that when I add a Bean "ServletContextInitializer" to my Application with the same stuff like in the web.xml it works. I read something that app.properties maybe overrides the settings? I got a application.properties but just for the database and jpa/hibernate. Application: @EnableAutoConfiguration @ComponentScan({ "de.develop.telefonbuch" }) public class Application extends

问题 What could be causing this error? Caused by: jakarta.servlet.UnavailableException: Servlet class org.restlet.ext.servlet.ServerServlet is not a jakarta.servlet.Servlet at org.eclipse.jetty.servlet.ServletHolder.checkServletType (ServletHolder.java:499) at org.eclipse.jetty.servlet.ServletHolder.doStart (ServletHolder.java:377) at org.eclipse.jetty.util.component.AbstractLifeCycle.start (AbstractLifeCycle.java:96) at org.eclipse.jetty.servlet.ServletHandler.lambda$initialize$2 (ServletHandler

问题 I have this line of code: response.setCharacterEncoding("UTF-8"); I'm getting this error: The method setCharacterEncoding(String) is undefined for the type HttpServletResponse Eclipse suggests to cast the response to request which is some thing I don't want to. Can any one help me fix this, please? 回答1: See the javadoc. This method exists since servlet 2.4. Either your server supports this version (or later) of the servlet spec, and the jar in your buildpath is too old, or it doesn't support

问题 This question already has answers here : Change default homepage in root path to servlet with doGet (2 answers) Closed 5 years ago . I've a servlet registered in web.xml as below. <servlet> <servlet-name>Manager</servlet-name> <servlet-class>Manager</servlet-class> </servlet> <servlet-mapping> <servlet-name>Manager</servlet-name> <url-pattern>/RequestManager</url-pattern> </servlet-mapping> Basically I want to call this servlet as my default home page when I open http://localhost:8080/appname

问题 This question already has answers here : Change default homepage in root path to servlet with doGet (2 answers) Closed 5 years ago . I've a servlet registered in web.xml as below. <servlet> <servlet-name>Manager</servlet-name> <servlet-class>Manager</servlet-class> </servlet> <servlet-mapping> <servlet-name>Manager</servlet-name> <url-pattern>/RequestManager</url-pattern> </servlet-mapping> Basically I want to call this servlet as my default home page when I open http://localhost:8080/appname

问题 I've built a small service which receives images from an Android device and saves them to a Amazon S3 Bucket. The code is pretty simple but is painfully slow. It goes like this: public synchronized static Response postCommentPicture(Response response, Request request){ JsonObject ret = new JsonObject(); OutputStream outputStream; String meepId = request.params(":id"); System.out.println("1"); if(meepId == null){ ret.addProperty("Error", "Missing meep id"); response.body(ret.getAsString());

问题 I've built a small service which receives images from an Android device and saves them to a Amazon S3 Bucket. The code is pretty simple but is painfully slow. It goes like this: public synchronized static Response postCommentPicture(Response response, Request request){ JsonObject ret = new JsonObject(); OutputStream outputStream; String meepId = request.params(":id"); System.out.println("1"); if(meepId == null){ ret.addProperty("Error", "Missing meep id"); response.body(ret.getAsString());

问题 I've built a small service which receives images from an Android device and saves them to a Amazon S3 Bucket. The code is pretty simple but is painfully slow. It goes like this: public synchronized static Response postCommentPicture(Response response, Request request){ JsonObject ret = new JsonObject(); OutputStream outputStream; String meepId = request.params(":id"); System.out.println("1"); if(meepId == null){ ret.addProperty("Error", "Missing meep id"); response.body(ret.getAsString());

问题 Im trying to login from a jsp page, using a loginServlet. It redirects to the servlet, but it doesn't make the authentication and throws an error. Here is the code: JSP file: <div class="container"> <div class="row"> <div class="box"> <div class="col-md-6 col-md-offset-4"> <h2 class="intro-text">Welcome! Login here:</h2> <form class="form-horizontal" action="LoginServlet" method="POST"> <div class="form-group"> <label class="control-label col-sm-2" for="username">Username:</label> <div class=

问题 I am in bit of a delicate situation here. In my organization we design stock management systems and it is a web application based on JSP pages and servlets which handles them. I have been asked to fix a specific problem. We have a JSP page with an HTML form table where there are stock details. When user enters the details manually and submit the form, stock details updated in the database and it works fine. Problem is this : When the user press the browser's back button, user can come to the