Testingservlet java 1 error package javax servlet does not exist import javax servlet

This blog post will help you if you notice that the javax servlet package does not exist. Javax package. Servlet. Javax file. A servlet package contains a set of classes and interfaces that summarize and define the contracts between the corresponding servlet class and the runtime provided by the servlet container corresponding to the instance ... Read more

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    This blog post will help you if you notice that the javax servlet package does not exist. Javax package. Servlet. Javax file. A servlet package contains a set of classes and interfaces that summarize and define the contracts between the corresponding servlet class and the runtime provided by the servlet container corresponding to the instance of that class.

    Well, these one or two packages are not actually built into Java like java.io. Instead, they come bundled with a servlet-centric web server (like Tomcat). First of all the Java compiler will be able to use our compiler servlet, we need to tell it where to find the types in these two packages.

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    The required classes are, of course, usually stored in a statement called servlet.jar. The exact location of this file will probably depend on the web server you are using, but in this case with Tomcat you can find it in any lib subdirectory of the main Tomcat build directory (for example, d: Program Files Apache Group jakarta-tomcat- 3.2.3 lib servlet.jar). In order for one of our Java compilers to compile servlets, you need to add this path to your Java classpath. As an extension, Java only looks for classes in the current directory (“.”). Where, “.” this is the standard classpath. If you change the contents of the servlet.jar document classpath (“.; D: … lib servlet.jar” on Windows, “.: / Usr /…/ lib / servlet.jar” on Unix), then the servlet should often compile well.

    You can also specify the path for the class to be used when javac.exe is run as follows:

    You must add a Tomcat parameter to your /lib/servlet-api.jar file to round up the classpath time.

      javac -cp.; / n / To / Tomcat / lib / servlet-api.jar com / example / MyServletClass.java 

    The classpath is now where Java should look due to imported dependencies. Otherwise, it defaults to any current directory containing once. in the above example. ; is the partitioning path for Windows; If your site uses a Unix-based operating system, your company should use : instead.

    If you are still facing the same compilation error and are currently using Tomcat 10 or newer, at this point you should migrate the latest imported sources from javax . * in Jakarta. * .

      import jakarta.servlet. *;jakarta.servlet.http. * import; 

    See Also:

    • jakarta.servlet.ServletException: class [com.practice.MyServlet] is not a servlet

    If you are working with an expert project, add the following to your personal pom.xml dependency

    package javax servlet does not exist

           javax.servlet      javax.servlet-api      3.0.1      provided  

    Well, these two sentences are not actually embeddeds in Java, as usual in java.io. Instead, they link to a servlet-compatible web server (like Tomcat). So, before the Java compiler can summarize our servlet, we need to figure out where to find the classes in these two packages.

    Where is javax servlet package?

    It contains, among other things, the files /usr/share/java/servlet-api-2.5. Package and /usr/share/java/jsp-api-2.1. jar, these are the servlet and JSP libraries you need.

    The required classes are usually reserved in a servlet file named .jar. The correct location for this file depends on the theme of the particular web server software you are integrating into the game, but in the case of Tomcat clients, you can find it in the lib subdirectory, which points to the game’s main web directory. .. installing Tomcat. (e.g. d: Program Files Apache Group jakarta-tomcat-3.2.3 lib servlet.jar). In order for the Java compiler to compile the servlets, you may need to add this file to your personal Java classpath. By default, Java only looks for current free information (“”. “) To work with classes. Hence,”. “is the path of the rest of the class. If you change the path to the class, include it in the servlet file. Jar (“.; D: … lib servlet.jar “for Windows” .: / Usr /…/ lib / servlet.jar “for Unix) the servlet should compile correctly.

    package javax servlet does not exist

    You can use almost any classpath if you can I can get javac.exe like this:

    En / Example / Model / BearExtra.java

    How do I fix javax servlet error does not exist?

    You will need to add the path to your Tomcat / lib / servlet-api. jar on the classpath to compile. Java wants to find dependencies imported on the classpath. Otherwise, the current folder, which is actually used as a file.

      package com.example.model;BearExtra public class public static empty go ()   System.out.It println ("yes, it works!");    

    En / Example / Web / Bear.java

      package com.example.web;import com.example.model. *;Public class bear  static local community void main (String [] args)   BearExtra .go ();   

    Now, to combine the race and these classes, go to the main directory where you can “see” and create multiple com folders:

    * Nothing / MacOS

      javac -cp. com / example / model / *. java com / example / web / *. Javajava -cp. com.example.web.Bear 

    Windows

      javac -cp comeexamplemodel * .java comeexampleweb * .javajava -cp. com.example.web.Bear 

    What is API servlet?

    A servlet package contains a large number of interfaces and classes that can be used through a servlet or web container. They may be protocol independent. Javax file. Servlet. The http package contains interfaces and variants that are only responsible for the hosted http command.

      Yes, information technology works! 

    posted 8 years ago

    • Number of fragments I need to send:

      Optional: thanks:

    In my experience, I am not using an IDE and am trying to compile servlets myself from the command line.

    I have assigned the following environment variables:
    CLASS: C: Program Files Java jdk1.7.0 lib;CLASSPATH
    : C: Program Files apache Foundation Tomcat 7.0 common lib servlet-api.jar; C: Program Files Apache Software Foundation Tomcat 7.0 lib commons-fileupload-1.2.1 .jar; C: Program Files Apache Software Foundation Tomcat 7.0 lib commons-io-1.3.2.jar; C: Program Files Java jdk1.7.0 bin; C: Program Files Java jre7 bin;

    When I try to compile the servlet program, the following error literally pops up

    C: Program Files Apache Foundation Tomcat 7.0 Software webapps userregister WEB-
    INF classes> javac NewServlet.java
    NewServlet.java:1: Error: Icon not found
    cappuccino import.io;
    ^Symbol
    : class io
    Location: Java Package
    NewServlet.java:2: Error: Software package javax. Servlet doesn’t exist
    import javax.servlet. *;
    ^
    NewServlet.java:3: Error: package javax.servlet.http does not exist
    import javax.servlet.http. *;
    ^
    NewServlet.java:4: Error: symbol cannot appear
    public class NewServlet extends HttpServlet {
    ^Icon
    : HttpServlet class
    NewServlet.java:5: Error: Unable to reach symbol
    protected void processRequest (HttpServletRequest policy for, HttpServletResponseanswer)
    ^
    Symbol: HttpServletRequest class
    Location: NewServlet class
    NewServlet.java:5: Error: Icon not found
    processRequest is uselessly protected (HttpServletRequest, HttpServletResponseanswer)
    ^Icon
    : HttpServletResponse Classifier
    Location:NewServlet class
    NewServlet.java:6: Error: Unable to symbolize
    find throws ServletException, IOException {
    ^
    -Ticker: ServletException class
    property: NewServlet class
    NewServlet.java:6: Error: Icon not found
    throws ServletException, IOException {
    ^
    Symbol: class IOException
    Location: NewServlet Training Course
    8 errors

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    Es Wird Angenommen, Dass Es Keine Einfache Möglichkeit Gibt, Das Javax-Servlet-Paket Wiederherzustellen
    Nie Ma Również łatwego Sposobu Na Przywrócenie Pakietu Serwletów Javax
    Realmente No Existe Una Manera Fácil De Restaurar El Paquete De Servlet Javax
    Javax 서블릿 패키지를 복원하는 쉬운 방법은 없습니다.
    Il N’y A Pas De Moyen Confortable De Restaurer Le Package De Servlet Javax
    Er Is Geen Gemakkelijke Manier Om Het Javax-servletpakket Te Herstellen
    Det Finns Ett Helt Enkelt Sätt Att återställa Javax-servletpaketet
    Нет простого способа восстановить пакет сервлета Javax
    Non C’è Mai Un Modo Semplice Per Ripristinare Il Pacchetto Servlet Javax
    Não Existe Uma Maneira Fácil De Restaurar O Pacote De Servlet Javax

    0 / 0 / 0

    Регистрация: 16.01.2008

    Сообщений: 26

    1

    16.01.2008, 23:22. Показов 6373. Ответов 2


    У меня установлены JDK1.3 и JRE
    при компилянии сервлета ругается — ‘package javax.servlet.*; does not exist’
    Как я понимаю у меня нет этого пакета вообще.
    Вопрос : поставляется ли он внутри JDK и каким образом его устанавливать?
    Достаточно ли просто поместить jsdk.jar в папку JDK/lib и если да , то где можно слить jsdk.jar?

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    0



    1 / 1 / 1

    Регистрация: 18.08.2007

    Сообщений: 289

    17.01.2008, 00:36

    2

    Вообще-то, создавать и отлаживать сервлеты удобнее в интегрированных средах. Например, JBuilder поставляется с Tomcat — простейшим сервлетным движком, отладка сервлета интерактивная и очень удобная (практически можно не вылезать из JBuilder-а, совсем не использовать IIS).
    Распространение и инсталляция сервлетов на другие движки — дело отдельное и, как правило, несложное.
    (Извините, что ответил не по существу вопроса).



    0



    Alex_1

    17.01.2008, 06:23

    3

    В дистрибутиве сервера Томкет идет этот пекедж servlet.jar, кинь его в папку c:jdkjrelibext — имя диска и название папки jdk — ты знаешь, я имел ввиду , что это та папка, где у тебя лежит jdk

    hi
    i am developing an application in netbeans.
    in that following error occured
    «package javax.servlet does not exist»

    this is the code

    package child;

    import java.sql.*;
    import java.io.*;
    import javax.servlet.ServletException;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    import javax.servlet.http.HttpSession;
    
    
    public class addnewphonenumber extends HttpServlet {
      
    
    
    String na1;
    int c;
        
         protected void doPost(HttpServletRequest request, HttpServletResponse response)
                throws ServletException, IOException {
           
           response.setContentType("text/html");
           PrintWriter pout =response.getWriter();
           if(request.getParameter("oks") != null)
          {
            try{
                String flag1="no";
                  Dbload db=new Dbload();
           Connection con=db.getConnection();
           
           ResultSet rs;
                PreparedStatement ps;
                String mob= request.getParameter("mobile");
                na1=request.getParameter("str");
                
                ps= (PreparedStatement) con.prepareStatement("select * from login where username=?");
                ps.setString(1,na1);
                rs=ps.executeQuery();
                if(rs.next())
                c=rs.getInt(1);
                ps.close();
                ps=con.prepareStatement("insert into mobnumbers(id,mob,flag) values(?,?,?);");
                ps.setInt(1,c);
                ps.setString(2,mob);
                ps.setString(3, flag1);
                ps.executeUpdate();
               ps.close();
               con.close();
               response.sendRedirect("blank.jsp");
            }
            catch(SQLException e){
                   response.sendRedirect("addphone.jsp");
            }
         }
            
        }
            
        }

    Please help me to solve this error.
    Thank you….

    Updated 20-Mar-12 20:03pm


    You need to add the «Java-EE-Glassfish-V3» library to the project.
    That is done in the project’s properties (right click on project).

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