tomcat7でhello world（とそれにからむ環境変数なんかのメモ,startup.sh/shutdown.sh、スタートアップスクリプトとか
[root@localhost ~]# cat /etc/profile | tail -14
######
# Java/tomcat related
# 20130507
export PATH=$PATH:/usr/java/default/bin
#export CATALINA_BASE=/usr/local/tomcat
export CATALINA_HOME=/usr/local/tomcat
export CATALINA_TMPDIR=/usr/local/tomcat/temp
export JAVA_HOME=/usr/java/default
#export CLASSPATH=$CLASSPATH:/usr/java/default/mysql-connector-java-5.1.25-bin.jar
export CLASSPATH=$CLASSPATH:${CATALINA_HOME}/lib/servlet-api.jar
export CLASSPATH=$CLASSPATH:/usr/share/java/mysql-connector-java.jar
[root@localhost ~]#
[root@localhost bin]# pwd /usr/local/tomcat/bin [root@localhost bin]# ./startup.sh Using CATALINA_BASE: /usr/local/tomcat Using CATALINA_HOME: /usr/local/tomcat Using CATALINA_TMPDIR: /usr/local/tomcat/temp Using JRE_HOME: /usr/java/default Using CLASSPATH: /usr/local/tomcat/bin/bootstrap.jar:/usr/local/tomcat/bin/tomcat-juli.jar
[root@localhost webapps]# pwd /usr/local/tomcat/webapps
[root@localhost webapps]# find hiratest hiratest hiratest/WEB-INF hiratest/WEB-INF/lib hiratest/WEB-INF/web.xml hiratest/WEB-INF/classes hiratest/WEB-INF/classes/HelloWorld.java hiratest/WEB-INF/classes/HelloWorld.class [root@localhost webapps]#
[root@localhost webapps]# cat hiratest/WEB-INF/classes/HelloWorld.java
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class HelloWorld extends HttpServlet {
public void doGet(HttpServletRequest request,
HttpServletResponse response)
throws IOException, ServletException
{
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("HelloWorld");
out.println("</html>");
out.close();
}
}javac -classpath /usr/local/tomcat/lib/servlet-api.jar HelloWorld.java
[root@localhost webapps]# cat hiratest/WEB-INF/web.xml <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE web-app PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN" "http://java.sun.com/dtd/web-app_2_3.dtd"> <web-app> <servlet> <servlet-name>hello</servlet-name> <servlet-class>HelloWorld</servlet-class> </servlet> <servlet-mapping> <servlet-name> hello </servlet-name> <url-pattern> /x/x </url-pattern> </servlet-mapping> </web-app> [root@localhost webapps]#
つづいてhttp getとpostのサンプル
[root@localhost tomcat_test]# pwd /root/workspace/tomcat_test [root@localhost tomcat_test]# cat index.html <html> <body> <br> <form action="/tomcat_test/servlet/hello" method="POST"> キーワード: <input type="text" name="keyword"> <input type="submit" value="submit"> </form> </body> </html> [root@localhost tomcat_test]#
[root@localhost hirasawa]# pwd
/root/workspace/tomcat_test/WEB-INF/src/local/hirasawa
[root@localhost hirasawa]# cat HelloWorld.java
package local.hirasawa;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
public class HelloWorld extends HttpServlet {
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException
{
String keyword = request.getParameter( "keyword" );
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head>");
out.println("<title>Hello World!</title>");
out.println("</head>");
out.println("<body>");
out.println("<h1>Hello World!</h1>");
out.println("<h1>" + keyword + "</h1>");
out.println("</body>");
out.println("</html>");
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws IOException, ServletException {
doPost(request, response);
}
}
[root@localhost hirasawa]#スタートアップスクリプトをセットする
ディフォでは存在しないようなので、
こちらからいただきました。ありがとうございます
http://homepage1.nifty.com/y-osumi/works/code/tomcat7/
[root@localhost init.d]# cat tomcat
#!/bin/bash
#
# Startup script for the Tomcat Servlet Container
#
# chkconfig: 2345 35 65
# description: Tomcat is the servlet container that is used in the official \
# Reference Implementation for the Java Servlet and JavaServer \
# Pages technologies
TOMCAT_USER=tomcat
CATALINA_HOME=/usr/local/tomcat
. /etc/rc.d/init.d/functions
prog=tomcat
start() {
echo -n $"Starting $prog: "
daemon --user $TOMCAT_USER $CATALINA_HOME/bin/startup.sh > /dev/null
RETVAL=$?
if [ $RETVAL -eq 0 ]; then
echo_success
else
echo_failure
fi
echo
[ $RETVAL = 0 ] && touch /var/lock/subsys/$prog
return $RETVAL
}
stop() {
echo -n $"Stopping $prog: "
daemon --user $TOMCAT_USER $CATALINA_HOME/bin/shutdown.sh > /dev/null
RETVAL=$?
if [ $RETVAL -eq 0 ]; then
echo_success
else
echo_failure
fi
echo
[ $RETVAL = 0 ] && rm -f /var/lock/subsys/$prog
return $RETVAL
}
# See how we were called.
case "$1" in
start)
start
;;
stop)
stop
;;
restart)
stop
start
;;
status)
INSTANCES=`ps --columns 512 -aef|grep java|grep tomcat|grep org.apache.catalina.startup.Bootstrap|wc -l`
if [ $INSTANCES -eq 0 ]; then
echo $prog is stopped
RETVAL=3
else
if [ $INSTANCES -eq 1 ]; then
echo $prog is running 1 instance...
else
echo $prog is running $INSTANCES instances...
fi
RETVAL=0
fi
;;
*)
echo $"Usage: $prog {start|stop|restart|status|help}"
exit 1
esac
exit $RETVAL
[root@localhost init.d]# chmod +x tomcat
[root@localhost init.d]# c
