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| java project database error i am doing an acadamic java project by using html, servlets. in html form tag what is the url that i have to give in post attribute. and i am using access as my database. it is giving that httpserver error that given table is not found. will u please help me in sorting out this problem |
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| Re: java project database error In the form tag you must put the url in the 'action' attribute and in the 'method' attribute you put post or get: <form action="someurl" method="post">When you submit the form you send the information that are inside it to the given url And I would suggest to use .jsp to build your pages not servlets |
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| Re: java project database error <form action="url"mehtod="post"/> but this url should identify which servlet to run at server side. So, in your web.xml, your <servlet-mapping> <servlet-name>somename</servlet-name> <url-pattern>this pttern should identify your action url properly</url-pattern> </servlet-mapping> e.g. if action="*.do" then url patter should be <url-pattern>*.do</url-pattern> |
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| Re: java project database error well, that form tag you posted won't do as it's seriously malformed... |
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| Re: java project database error Quote:
Well, then you will have a tough time in your project. Anyways it works for me. Deploy below files in tomcat or any Servlet Container. Directory structure should be like this. Sample ---+WEB-INF ------+classes ----------+com -------------+sample ------------------+Servlet.class ------------------+Servlet.java ------+lib ----------+servlet-api.jar ------+web.xml ---+index.html 1. index.html <html> <head></head> <body> <form action="sample.do" method="post"> <input type="submit" name="myName" ></input> </form> </body> </html> 2. Servlet.java package com.sample; import java.io.IOException; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; public class SampleServlet extends HttpServlet{ private static final long serialVersionUID = -8734960688756643493L; protected void doGet(HttpServletRequest arg0, HttpServletResponse arg1) throws ServletException, IOException { service(arg0, arg1); } protected void doPost(HttpServletRequest arg0, HttpServletResponse arg1) throws ServletException, IOException { service(arg0, arg1); } protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("<HTML>" + "<HEAD>Sample</HEAD>" + "<BODY>\n" + "<H1>Hello World</H1>\n" + "</BODY>" + "</HTML>"); } } 3. web.xml <?xml version="1.0" encoding="UTF-8"?> <web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <display-name>Sample</display-name> <welcome-file-list> <welcome-file>index.html</welcome-file> </welcome-file-list> <servlet> <servlet-name>sample</servlet-name> <servlet-class>com.sample.SampleServlet</servlet-class> </servlet> <servlet-mapping> <servlet-name>sample</servlet-name> <url-pattern>*.do</url-pattern> </servlet-mapping> </web-app> 4. servlet-api.jar download it from http://www.mtholyoke.edu/courses/sro...ervlet-api.jar Deploy this application and check if it works. If this also doesn't work then best luck.:D And by the way "*.do" url is properly functioning in this sample web project.:-O And about the database error, it might not have been configured properly, provided if you are not doing anything logically or syntactically wrong in your code which connects D:'( B. |
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