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POClassCastException for Filter in Tomcat startup
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  1. POClassCastException for Filter in Tomcat startup
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    copied!<p>Im getting an error like this. This is happend when i run the program and it did not run.it showed following error.</p> <pre><code>Jul 10, 2013 1:21:24 PM org.apache.catalina.core.AprLifecycleListener init INFO: The APR based Apache Tomcat Native library which allows optimal performance in production environments was not found on the java.library.path: C:\Program Files\Java\jre6\bin;.;C:\Windows\Sun\Java\bin;C:\Windows\system32;C:\Windows;C:/Program Files/Java/jre6/bin/client;C:/Program Files/Java/jre6/bin;C:/Program Files/Java/jre6/lib/i386;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\Kaspersky Lab\Kaspersky Anti-Virus 6.0 for Windows Workstations MP4\;C:\Program Files\Java\jdk1.6.0_07/bin;C:\Program Files\MySQL\MySQL Server 5.2\bin;D:\common libs\com.mysql.jdbc_5.1.5.jar;;C:\Users\lcladmin\Documents\Softwares\java related\eclipse-jee-indigo-win32_2\eclipse; Jul 10, 2013 1:21:24 PM org.apache.tomcat.util.digester.SetPropertiesRule begin WARNING: [SetPropertiesRule]{Server/Service/Engine/Host/Context} Setting property 'source' to 'org.eclipse.jst.jee.server:BankDemoWeb' did not find a matching property. Jul 10, 2013 1:21:24 PM org.apache.coyote.AbstractProtocol init INFO: Initializing ProtocolHandler ["http-bio-8080"] Jul 10, 2013 1:21:24 PM org.apache.coyote.AbstractProtocol init INFO: Initializing ProtocolHandler ["ajp-bio-8009"] Jul 10, 2013 1:21:24 PM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 552 ms Jul 10, 2013 1:21:24 PM org.apache.catalina.core.StandardService startInternal INFO: Starting service Catalina Jul 10, 2013 1:21:24 PM org.apache.catalina.core.StandardEngine startInternal INFO: Starting Servlet Engine: Apache Tomcat/7.0.41 Jul 10, 2013 1:21:25 PM org.apache.catalina.core.StandardContext filterStart SEVERE: Exception starting filter FilterRequest java.lang.ClassCastException: com.mobitel.bankdemo.web.FilterRequest cannot be cast to javax.servlet.Filter at org.apache.catalina.core.ApplicationFilterConfig.getFilter(ApplicationFilterConfig.java:260) at org.apache.catalina.core.ApplicationFilterConfig.&lt;init&gt;(ApplicationFilterConfig.java:107) at org.apache.catalina.core.StandardContext.filterStart(StandardContext.java:4746) at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5399) at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:150) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1559) at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1549) at java.util.concurrent.FutureTask$Sync.innerRun(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source) Jul 10, 2013 1:21:25 PM org.apache.catalina.core.StandardContext startInternal SEVERE: Error filterStart Jul 10, 2013 1:21:25 PM org.apache.catalina.core.StandardContext startInternal SEVERE: Context [/BankDemoWeb] startup failed due to previous errors Jul 10, 2013 1:21:25 PM org.apache.coyote.AbstractProtocol start INFO: Starting ProtocolHandler ["http-bio-8080"] Jul 10, 2013 1:21:25 PM org.apache.coyote.AbstractProtocol start INFO: Starting ProtocolHandler ["ajp-bio-8009"] Jul 10, 2013 1:21:25 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 533 ms </code></pre> <p>Can any one tell me the reason of getting this error? (Im doing a web java application using jsp,servlet,tomcat.)</p> <p>Here my FilterRequest.java file code</p> <pre><code>package com.mobitel.bankdemo.web; import java.io.IOException; import java.util.ArrayList; import java.util.StringTokenizer; import java.util.logging.Filter; import java.util.logging.LogRecord; import javax.servlet.FilterChain; import javax.servlet.FilterConfig; import javax.servlet.RequestDispatcher; import javax.servlet.ServletException; import javax.servlet.ServletRequest; import javax.servlet.ServletResponse; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import com.mobitel.bankdemo.domain.User; public class FilterRequest implements Filter{ private static final long serialVersionUID = 1L; FilterConfig filterConfig = null; public FilterRequest() { super(); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { } protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { } public void init(FilterConfig filterConfig) throws ServletException { this.filterConfig = filterConfig; } public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws ServletException, IOException { HttpServletRequest request = (HttpServletRequest) req; HttpServletResponse response = (HttpServletResponse) resp; HttpSession session = request.getSession(true); User u = (User) session.getAttribute("loggedUser"); System.out.println(u+"i"); if (u!= null) { System.out.println(u+"u"); chain.doFilter(req, resp); return; }else{ String message = "Please Login!"; req.setAttribute("loginMsg", message); response.sendRedirect("login2.jsp"); } } public void destroy() { // do cleanup stuff } @Override public boolean isLoggable(LogRecord arg0) { // TODO Auto-generated method stub return false; } } </code></pre> <p>web.xml</p> <pre><code>&lt;?xml version="1.0" encoding="UTF-8"?&gt; &lt;web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0"&gt; &lt;display-name&gt;BankDemoWeb&lt;/display-name&gt; &lt;welcome-file-list&gt; &lt;welcome-file&gt;home.jsp&lt;/welcome-file&gt; &lt;/welcome-file-list&gt; &lt;servlet&gt; &lt;servlet-name&gt;AccountController&lt;/servlet-name&gt; &lt;servlet-class&gt;com.mobitel.bankdemo.web.AccountControllerServlet&lt;/servlet-class&gt; &lt;/servlet&gt; &lt;servlet-mapping&gt; &lt;servlet-name&gt;AccountController&lt;/servlet-name&gt; &lt;url-pattern&gt;/account&lt;/url-pattern&gt; &lt;/servlet-mapping&gt; &lt;session-config&gt; &lt;session-timeout&gt;5&lt;/session-timeout&gt; &lt;/session-config&gt; &lt;filter&gt; &lt;filter-name&gt;FilterRequest&lt;/filter-name&gt; &lt;filter-class&gt;com.mobitel.bankdemo.web.FilterRequest&lt;/filter-class&gt; &lt;/filter&gt; &lt;filter-mapping&gt; &lt;filter-name&gt;FilterRequest&lt;/filter-name&gt; &lt;url-pattern&gt;/*&lt;/url-pattern&gt; &lt;/filter-mapping&gt; </code></pre> <p></p>
 

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