java - tomcat7 404 error when deploying -


I am trying to reproduce the solution given in this question, but I still get the same error Has been there.

This is the servlet code: 

  edu @ubuntu: ~ / ch1 $ cat ch1servlet.java package com.example; Import javax.servlet. *; Import javax.servlet.http.http. *; Import java.io * *; Public class C1 serletlet HTTPServlet {Public Zero Dotgate (HTTP Serial Request Request, HTTPServelet Response Feedback) throws IOException {printWriter Out = Response .getWriter (); Java.util.Date today = new java.util.Date (); out.println ("& lt; html> from" + "to & lt; body & gt;" + "& lt; h1 align = center & gt; hf's Chapter1 servlet & lt; / h1 & gt;" + "" + "& Lt; br>" + today + "& lt; / body & gt;" + "& lt; / html & gt;"); }}   
 with which was compiled:  
  edu @ubuntu: ~ / ch1 / web-enf $ javac -classpath / usr / share / tomcat7 / lib / servlet-api.jar -d classes ../ch1servlet.java edu @ Ubuntu: ~ / ch1 / web-nf $ ls classes / com / example / c1 eswallet.class classes / com / example / c1 This is the content of web.xml  
  edu @ Ubuntu: ~ / ch1 / WEB-INF $ cat web.xml & lt; eswl.txt   
 ? Xml version = "1.0" encoding = "UTF-8"? & Gt; & Lt; Web-app xmlns = "http://java.sun.com/xml/ns/javaee" xmlns: xsi = "http://www.w3.org/2001/XMLSchema-instance" XSI: Schema location = "http : //java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd "version =" 3.0 "& gt; & Lt; Servlet & gt; & Lt; Servlet-name & gt; Chapter 1 Servlet & lt; / Servlet-name & gt; & Lt; Servlet category & gt; Com.example.ch1servlet & lt; / Servlet category & gt; & Lt; / Servlet & gt; & Lt; Servlet-mapping & gt; & Lt; Servlet-name & gt; Chapter 1 Servlet & lt; / Servlet-name & gt; & Lt; URL pattern & gt; / Serv1 & lt; / URL pattern & gt; & Lt; / Servlet-mapping & gt; & Lt; / Web application & gt;   
 Then I copied the ch1 directory to $ CATALINA_HOME / webapps  
  edu @ Ubuntu: ~ / ch1 $ cd .. edu @ Ubuntu: ~ $ ps -oa | Grep tomcat tomcat7 1053 0.3 11.3 2557684 85272? Sol 03:12 0:51 / usr / lib / jvm / java-8-oracle / bin / java -dajava.util.logging.config.file = / var / lib / tomcat7 / conf / logging.properties -Djava.util .logging.manager = org.apache.juli.ClassLoaderLogManager -Djava.awt.headless = True-Xmx128m -XX: + UseConcMarkSweepGC -Djava.endorsed.dirs = / usr / share / tomcat7 / support -classpath / usr / share / tomca 7 / bin / bootstrap.jar: /usr/share/tomcat7/bin/tomcat-juli.jar-Dcatalina.base = / var / lib / tomcat7 -Dcatalina.home = / usr / share / tomcat7 -Djava.io.tmpdir = / tmp / tomcat7-tomcat7-tmp org.apache.catalina.startup.bootstrap start edu 2259 0.0 0.1 11,744 916 points / 1s + 07:24 00:00 Grape --color = Auto badge edu @ ubuntu: ~ $ sudo mkdir / usr / share / tomcat7 / webapps edu @ ubuntu: ~ $ sudo cp -rf ch1 / usr / share / tomcat7 / webapps / edu @ ubuntu: ~ $ ls / usr / share / tomcat7 / webapps / ch1 edu @ ubuntu : ~ $   
 when I try to reach 192.168.1.45:8080/ch1/Serv1  
 Get me the notorious 404 "requested resource (/ ch1 / Serv1 /) is not available"  
 This Using the version of Java:  
  edu @ Ubuntu: ~ $ Java-version Java version "1.8.0_05" Java (TM) SE Runtime Environment (1.8.0_05-B13 Built-in) Java Hotspot (TM) 64-bit server VM (25.5-B02, composite mode creation)   
 I have a dozen times different tutorials A repeated the process and I always got stuck in the same point.   
 
 
 After copying your file and modifying web.xml, you get the new web. To load the xml file, you must restart the tomcat.

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