Troubleshooting Tips No Message Body Associated With Key Servlet

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Recently, some readers have reported missing a message body associated with a key servlet.

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    I’m posting a form call based on a good secure J2EE application. I ask the user to register and after authenticating with j_security_check get the role that he has, and based on the common role, redirect different pages with a filter to jsp.

    useless public request,ServletResponse doFilter(ServletRequest orfilter chain)throws ServletException, IOException// Action before visitingchain.doFilter(req, resp);System.out.println(“Filter called”);HttpServletResponse is equal to (HttpServletResponse) respectively;// do the work of getting all user roles… request.isUserInRole(“Some Role”); //If applicable response.sendRedirect(“somejsp.jsp”); //different //response.sendRedirect(“someone.jsp”) come back to;

    When I run the above code my product redirect has no effect and I get the following in my System.out

    [05/17/04 10:31:20:975 CDT] 7b2bdbb7 TraceNLS u No text associated with message with key HttpConnection.run:.java.lang.IllegalStateException:.0.response.bytes.writing,.but.Content – Length . header.equals.9262 in com.ibm.ejs.resources.seriousMessages

    [05/17/04 10:31:20:975 CDT] HttpConnectio 7b2bdbb7 E HttpConnection.run: java.lang.IllegalStateException: 0 bytes of reflex response written, but Content-Length header is 10:31:21:006 9262< / p>

    [17.05.04 CDT] 7b2bdbb7 SystemOut O java.lang.IllegalStateException: 0 response bytes written, content length, but header is 9262

    no message text associated with key servlet

    [5/17/04 10:31:35:429 CDT] 66a7dbb7 WebGroup E SRVE0026E: [Servlet Error] – [Filter [LoginFilter]: Filter not available.]: java.lang.IllegalStateException

    Presentation

    no message text associated with key servlet

    In the early days of the Internet, servers delivered fixed content that responded indiscriminately to user requests. Java servlets are server applications (running on a web server) that process client requests, processing each request individually or dynamically for the system. Response dynamics may be based on data from databases or a range of applications or time-sensitive data (eg news and stock prices) (eg research, online shopping, online transactions).

    Java servlets traditionally run over the HTTP protocol. HTTP is an asymmetric request-response protocol. The client sends a request message to help with the server, and the server returns aboutreply message as shown.

    Server technologies

    Many server-side (competing) functions are available: based on Java (Servlet, JSP, JSF, Struts, Spring, Hibernate), ASP, PHP, CGI scripts, and many more.

    The Java Servlet is the foundation of Java server technology. JSP (JavaServer Pages), JSF (JavaServer Faces), Struts, Spring, Hibernate and others are extensions of servlet technology.

    Background

    HTML, Java HTTP programming language and Apache Tomcat server, SQL and MySQL database system and more.

    Apache Tomcat Server

    Servlets are usually server programs that run inside a Java compatible http server. Apache Tomcat Server (@ http://tomcat.apache.est org) official reference implementation (RI) for Java servlets and hence JSP, provided free and open source, first step towards Apache (@ http:/ /www. apache.org).

    In order to use Java servlets, Tomcat must be configured. Read “How to Install Tomcat and Start Java Servlet Programming”.

    I need to specify that Tomcat is installed as a service and assume that the Tomcat server is running on port 8080.

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  • Tomcat provides manygreat servlet examples in “webappsexamplesservlets“. You can run these examples by configuring Tomcat with the URL http://localhost:8080/examples.

    Java servlet versions

    The Java Servlet contains the following [TODO Forms Features and New Features]

  • J2EE 1.2 (December 12, 1999) (Java Servlet 2.2, JSP 1.1, EJB 1.1, JDBC 2.0)
  • J2EE 1.3 (Sep 2001) 24, (Java 2.3 Servlet, JSP 1.2, EJB 2.0, JDBC 2.1)
  • J2EE 1. (November 4-11, 2003) (Java 2.4 Servlet, JSP 2.0, EJB 2.1, JDBC 3.0)
  • Java EE 5 (May 11 (Java 2006) Servlet 2.5, JSP 2.1, JSTL 1.2, JSF 1.2, EJB 3.0, JDBC 3.0)
  • EE

  • Java 6 (December 10, 2009) (Java Servlet 3.0, JSP 2.2/EL 2.2, JSTL 1.2, JSF 2.0, EJB 3.1, JDBC 4.0)
  • Java EE 7: Coming late 2012
  • Java homepage for servlets: @ http://java.sun.com/products/servlet (http://www.oracle.com/technetwork/java/javaee/servlet/index.html) . For developers, see @developer servlet http://java.net/projects/servlet/.

    Java Servlet is a technology that allows you to train and retrain Java on the server side, respectively. Before moving on to other Java server technologies such as JavaServer Pages (JSP) and JavaServer Faces (JSF), you should have a good understanding of servlets.

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    Schlüssel-Servlet Ist Kein Nachrichtentext Zugeordnet
    Nenhum Texto De Mensagem Associado Ao Servlet De Chave
    Ingen Meddelandetext Associerad Med Nyckelservlet
    Ningún Texto De Mensaje Asociado Con El Servlet Clave
    Aucun Texte De Message Associé Au Servlet De Clé
    Nessun Testo Del Messaggio Associato Al Servlet Chiave
    Нет текста сообщения, связанного с ключевым сервлетом
    Brak Tekstu Wiadomości Powiązanego Z Kluczowym Serwletem
    Geen Berichttekst Geassocieerd Met Sleutelservlet
    키 서블릿과 연결된 메시지 텍스트 없음