Tomcat 8 : Install2015/03/15 |
Install Tomcat 8 to configure JAVA Application Server.
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[2] | Install Tomcat 8. Make sure the latest one and download it from the site below. ⇒ http://ftp.riken.jp/net/apache/tomcat/tomcat-8/ |
[root@dlp ~]# wget http://ftp.riken.jp/net/apache/tomcat/tomcat-8/v8.0.20/bin/apache-tomcat-8.0.20.tar.gz [root@dlp ~]# tar zxvf apache-tomcat-8.0.20.tar.gz [root@dlp ~]# mv apache-tomcat-8.0.20 /usr/tomcat8 [root@dlp ~]# useradd -M -d /usr/tomcat8 tomcat8 [root@dlp ~]# chown -R tomcat8. /usr/tomcat8
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[3] | Create an init script. |
[root@dlp ~]#
vi /etc/rc.d/init.d/tomcat8 #!/bin/bash # Tomcat8: Start/Stop Tomcat 8 # # chkconfig: - 90 10 # description: Tomcat is a Java application Server. . /etc/init.d/functions . /etc/sysconfig/network CATALINA_HOME=/usr/tomcat8 TOMCAT_USER=tomcat8 LOCKFILE=/var/lock/subsys/tomcat8 RETVAL=0 start(){ echo "Starting Tomcat8: " su - $TOMCAT_USER -c "$CATALINA_HOME/bin/startup.sh" RETVAL=$? echo [ $RETVAL -eq 0 ] && touch $LOCKFILE return $RETVAL } stop(){ echo "Shutting down Tomcat8: " $CATALINA_HOME/bin/shutdown.sh RETVAL=$? echo [ $RETVAL -eq 0 ] && rm -f $LOCKFILE return $RETVAL } case "$1" in start) start ;; stop) stop ;; restart) stop start ;; *) echo $"Usage: $0 {start|stop|restart}" exit 1 ;; esac exit $? chmod 755 /etc/rc.d/init.d/tomcat8 [root@dlp ~]# /etc/rc.d/init.d/tomcat8 start Starting Tomcat8: Using CATALINA_BASE: /usr/tomcat8 Using CATALINA_HOME: /usr/tomcat8 Using CATALINA_TMPDIR: /usr/tomcat8/temp Using JRE_HOME: /usr/java/default Using CLASSPATH: /usr/tomcat8/bin/bootstrap.jar:/usr/tomcat8/bin/tomcat-juli.jar Tomcat started.[root@dlp ~]# chkconfig --add tomcat8 [root@dlp ~]# chkconfig tomcat8 on
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[4] | Start a Web browser on localhost or clients on the network and access to "http://(server's hostname or IP address):8080/", then Tomcat default site is displayed like follows. |
[5] | Create a test servlet that shows current day and time and make sure if it works normally. |
[root@dlp ~]# mkdir /usr/tomcat8/webapps/ROOT/WEB-INF/classes [root@dlp ~]# chown tomcat8. /usr/tomcat8/webapps/ROOT/WEB-INF/classes [root@dlp ~]# cd /usr/tomcat8/webapps/ROOT/WEB-INF/classes
[root@dlp classes]#
vi daytime.java import java.io.*; import javax.servlet.*; import javax.servlet.http.*; import java.util.Calendar; public class daytime extends HttpServlet { public void doGet(HttpServletRequest request ,HttpServletResponse response) throws IOException, ServletException{ response.setContentType("text/html"); PrintWriter out = response.getWriter(); Calendar cal = Calendar.getInstance(); out.println("<html>\n<head>\n<title>DayTime</title>\n</head>\n<body>"); out.println("<div style=\"font-size: 40px; text-align: center; font-weight: bold\">"); out.println(cal.get(Calendar.YEAR) + "/" + (cal.get(Calendar.MONTH) + 1) + "/" + cal.get(Calendar.DATE) + " " + cal.get(Calendar.HOUR_OF_DAY) + ":" + cal.get(Calendar.MINUTE)); out.println("</div>\n</body>\n</html>"); } } javac -classpath /usr/tomcat8/lib/servlet-api.jar daytime.java
[root@dlp classes]#
vi /usr/tomcat8/webapps/ROOT/WEB-INF/web.xml # add follows between <web-app> - </web-app> <servlet> <servlet-name>daytime</servlet-name> <servlet-class>daytime</servlet-class> </servlet> <servlet-mapping> <servlet-name>daytime</servlet-name> <url-pattern>/daytime</url-pattern> </servlet-mapping> |
[6] | Access to "http://(server's hostname or IP address):8080/daytime" to make sure it works normally. |
[7] | If you'd like to access without specifying 8080, configure with Apache http server liek follows. Therefore, Install and start Apache http server first. |
[root@dlp ~]#
vi /etc/httpd/conf.d/proxy_ajp.conf # add follows to the end
ProxyPass /tomcat8/ ajp://localhost:8009/
/etc/rc.d/init.d/httpd restart
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[8] | Access to "http://(server's hostname or IP address)/tomcat8/" and make sure it works normally. |
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