JAVA Apprication Server - Tomcat62008/08/31 |
Install Tomcat6. JDK is requied to installed and WEB Server is also requied to installed. |
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[1] | Install and configure Tomcat6. Make sure Get latest Tomcat 6 from here. |
[root@www ~]# wget http://ftp.riken.jp/net/apache/tomcat/tomcat-6/v6.0.20/bin/apache-tomcat-6.0.20.tar.gz [root@www ~]# tar zxvf apache-tomcat-6.0.20.tar.gz [root@www ~]# mv apache-tomcat-6.0.20 /usr/tomcat6 [root@www ~]# useradd -d /usr/tomcat6 -s /sbin/nologin tomcat useradd: warning: the home directory already exists. Not copying any file from skel directory into it. [root@www jsvc-src]# chown -R tomcat. /usr/tomcat6
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[2] | Create INIT script. |
[root@www ~]# cd /usr/tomcat6/bin/ [root@www ~]# tar zxvf jsvc.tar.gz [root@www ~]# cd jsvc-src [root@www jsvc-src]# [root@www jsvc-src]# sh configure --with-java=/usr/java/default [root@www jsvc-src]# [root@www jsvc-src]# chown tomcat. jsvc [root@www jsvc-src]# cp -p jsvc ../ [root@www jsvc-src]# [root@www ~]# vi /etc/rc.d/init.d/tomcat # an example
#!/bin/bash
[root@www ~]# # # chkconfig: - 90 10 # description: Tomcat 6 - Java apprication server . /etc/init.d/functions JAVA=/usr/java/default CATALINA_HOME=/usr/tomcat6 TOMCAT_USER=tomcat TMP_DIR=/tmp CATALINA_OPTS= CLASSPATH=\ $JAVA/lib/tools.jar:\ $CATALINA_HOME/bin/commons-daemon.jar:\ $CATALINA_HOME/bin/bootstrap.jar PIDFILE=/var/run/tomcat.pid LOCKFILE=/var/lock/subsys/tomcat DAEMON=/bin/jsvc start(){ echo -n "Starting jsvc: " $DAEMON \ -pidfile $PIDFILE \ -user $TOMCAT_USER \ -home $JAVA \ -Dcatalina.home=$CATALINA_HOME \ -Djava.io.tmpdir=$TMP_DIR \ -outfile $CATALINA_HOME/logs/catalina.out \ -errfile '&1' \ $CATALINA_OPTS \ -cp $CLASSPATH \ org.apache.catalina.startup.Bootstrap RETVAL=$? if [ $RETVAL = 0 ]; then echo_success touch $LOCKFILE else echo_failure fi echo } stop(){ echo -n "Shutting down jsvc: " $DAEMON \ -stop \ -pidfile $PIDFILE org.apache.catalina.startup.Bootstrap RETVAL=$? if [ $RETVAL = 0 ]; then echo_success rm -f $PIDFILE $LOCKFILE else echo_failure fi echo } case "$1" in start) start ;; stop) stop ;; restart) stop start ;; status) status $DAEMON RETVAL=$? ;; *) echo $"Usage: jsvc {start|stop|restart|status}" exit 1 ;; esac chmod 755 /etc/rc.d/init.d/tomcat [root@www ~]# /etc/rc.d/init.d/tomcat start Starting jsvc: [ OK ] [root@www ~]# chkconfig --add tomcat [root@www ~]# chkconfig tomcat on
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[3] | Access to "http://(your hostname or IP address):8080/" with Web browser and make sure following tomcat site is shown normally. |
[4] | Configure to be able to access without specify 8080 in URL. |
[root@www ~]# vi /etc/httpd/conf.d/proxy_ajp.conf # add at the bottom
ProxyPass /tomcat/ ajp://localhost:8009/
[root@www ~]# /etc/rc.d/init.d/httpd restart Stopping httpd: [ OK ] Starting httpd: [ OK ]
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[5] | Access to "http://(your hostname or IP address)/tomcat/" with web browser and verify tomcat site like [3] section is shown normally.
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[6] | Create a test servlet that shows current day and time and make sure uf it is working normally. |
[root@www ~]# mkdir /usr/tomcat6/webapps/ROOT/WEB-INF/classes [root@www ~]# chown tomcat. /usr/tomcat6/webapps/ROOT/WEB-INF/classes [root@www ~]# cd /usr/tomcat6/webapps/ROOT/WEB-INF/classes [root@www 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>"); out.println("<head>"); out.println("<title>DayTime</title>"); out.println("</head>"); out.println("<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>"); out.println("</body>"); out.println("</html>"); } } [root@www classes]# javac -classpath /usr/tomcat6/lib/servlet-api.jar daytime.java [root@www classes]# vi /usr/tomcat6/webapps/ROOT/WEB-INF/web.xml # insert following lines between <web-app> and </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> </web-app> |
[7] | Access to "http://(your hostname or IP address)/tomcat/daytime" and make sure following page is shown normally. |