10.17. tomcat常用配置¶
10.17.1. 部署¶
[root@centos-151 ~]# mkdir -pv /usr/share/tomcat/webapps/test/{classes,lib,WEB-INF,META-INF}
[root@centos-151 ~]# cat /usr/share/tomcat/webapps/test/index.jsp
<%@ page language="java" %>
<%@ page import="java.util.*" %>
<html>
<head>
<title>Test Page</title>
</head>
<body>
<% out.println("hello world");
%>
</body>
</html>
[root@centos-151 test]# curl 192.168.46.151:8080/test/
<html>
<head>
<title>Test Page</title>
</head>
<body>
hello world
</body>
</html>
10.17.2. 主机管理启用¶
[root@centos-151 tomcat]# vim tomcat-users.xml
# 添加如下2行
<role rolename="admin-gui"/>
<user username="tomcat" password="tomcat" roles="admin-gui"/>
浏览器访问： http://192.168.46.151:8080/host-manager/
10.17.3. app管理启用¶
[root@centos-151 tomcat]# vim tomcat-users.xml
# 添加如下2行
<role rolename="manager-gui"/>
<user username="tomcat" password="tomcat" roles="manager-gui"/>
浏览器访问： http://192.168.46.151:8080/manager/
10.17.4. nginx代理tomcat¶
[root@centos-151 nginx]# vim nginx.conf
# 在默认的server中添加如下行
root /usr/share/tomcat/webapps/ROOT ;
index index.jsp ;
location ~* \.(jsp|do)$ {
proxy_pass http://127.0.0.1:8080;
}
浏览器测试：http://192.168.46.151/
10.17.5. httpd代理tomcat¶
<VirtualHost *:80>
ServerName www.linuxpanda.tech
ProxyRequests Off
ProxyVia On
ProxyPreserveHost On
<Proxy *>
Require all granted
</Proxy>
ProxyPass / http://www.linuxpanda.tech:8080/
ProxyPassReverse / http://www.linuxpanda.tech:8080/
<Location />
Require all granted
</Location>
</VirtualHost>
10.17.6. nginx负载代理tomcat¶
# 配置后端网页
[root@centos-152 ~]# mkdir -pv /usr/share/tomcat/webapps/test/{classes,lib,WEB-INF,META-INF}
[root@centos-152 ~]# vim /usr/share/tomcat/webapps/test/index.jsp
[root@centos-152 ~]# cat /usr/share/tomcat/webapps/test/index.jsp
<%@ page language="java" %>
<html>
<head><title>TomcatA</title></head>
<body>
<h1><font color="red">TomcatA.magedu.com</font></h1>
<table align="centre" border="1">
<tr>
<td>Session ID</td>
<% session.setAttribute("magedu.com","magedu.com"); %>
<td><%= session.getId() %></td>
</tr>
<tr>
<td>Created on</td>
<td><%= session.getCreationTime() %></td>
</tr>
</table>
</body>
</html>
[root@centos-152 ~]# scp -rp /usr/share/tomcat/webapps/test/ 192.168.46.153:/usr/share/tomcat/webapps/
[root@centos-153 ~]# vim /usr/share/tomcat/webapps/test/index.jsp
[root@centos-153 ~]# cat /usr/share/tomcat/webapps/test/index.jsp
<%@ page language="java" %>
<html>
<head><title>TomcatB</title></head>
<body>
<h1><font color="red">TomcatB.linuxpanda.tech</font></h1>
<table align="centre" border="1">
<tr>
<td>Session ID</td>
<% session.setAttribute("linuxpanda.tech","linuxpanda.tech"); %>
<td><%= session.getId() %></td>
</tr>
<tr>
<td>Created on</td>
<td><%= session.getCreationTime() %></td>
</tr>
</table>
</body>
</html>
[root@centos-151 nginx]# vim nginx.conf
# 在默认的server中添加如下行
upstream webend {
server 192.168.46.152:8080 ;
server 192.168.46.153:8080 ;
}
#修改server端配置
server {
listen 80 default_server;
listen [::]:80 default_server;
server_name _;
index index.jsp ;
#root /usr/share/nginx/html;
root /usr/share/tomcat/webapps/ROOT ;
# Load configuration files for the default server block.
include /etc/nginx/default.d/*.conf;
location / {
proxy_pass http://webend ;
index index.jsp index.html ;
}
浏览器测试：http://192.168.46.151/test
10.17.7. httpd负载代理tomcat¶
[root@centos-151 conf.d]# systemctl restart httpd
[root@centos-151 conf.d]# cat vhost.conf
<proxy balancer://webend>
ProxySet lbmethod=byrequests
BalancerMember ajp://192.168.46.152:8009
BalancerMember ajp://192.168.46.153:8009
</proxy>
<VirtualHost *:80>
ServerName www.linuxpanda.tech
ProxyVia on
ProxyRequests off
ProxyPreserveHost on
ProxyPass / balancer://webend/
ProxyPassReverse / balance://webend/
<Proxy *>
Require all granted
</Proxy>
<Location / >
require all granted
</location>
</VirtualHost>
10.17.8. 保持会话¶
[root@centos-151 conf.d]# cat vhost.conf
Header add Set-Cookie "ROUTEID=.%{BALANCER_WORKER_ROUTE}e; path=/" env=BALANCER_ROUTE_CHANGED
<proxy balancer://webend>
ProxySet lbmethod=byrequests
ProxySet stickysession=ROUTEID
BalancerMember ajp://192.168.46.152:8009 route=TomcatA
BalancerMember ajp://192.168.46.153:8009 route=TomcatB
</proxy>
<VirtualHost *:80>
ServerName www.linuxpanda.tech
ProxyVia on
ProxyRequests off
ProxyPreserveHost on
ProxyPass / balancer://webend/
ProxyPassReverse / balance://webend/
<Proxy *>
Require all granted
</Proxy>
<Location / >
require all granted
</location>
</VirtualHost>
[root@centos-151 conf.d]# systemctl restart httpd
浏览器测试：http://192.168.46.151/test
10.17.9. tomcat会话集群¶
[root@centos-153 tomcat]# vim server.xml
<Engine name="Catalina" defaultHost="localhost" jvmRoute="TomcatB" >
# 添加如下到/etc/tomcat/service.xml 的engine片段或者host片段中。
<Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"
channelSendOptions="8">
<Manager className="org.apache.catalina.ha.session.DeltaManager"
expireSessionsOnShutdown="false"
notifyListenersOnReplication="true"/>
<Channel className="org.apache.catalina.tribes.group.GroupChannel">
<Membership className="org.apache.catalina.tribes.membership.McastService"
address="228.0.0.4"
port="45564"
frequency="500"
dropTime="3000"/>
<Receiver className="org.apache.catalina.tribes.transport.nio.NioReceiver"
address="auto"
port="4000"
autoBind="100"
selectorTimeout="5000"
maxThreads="6"/>
<Sender className="org.apache.catalina.tribes.transport.ReplicationTransmitter">
<Transport className="org.apache.catalina.tribes.transport.nio.PooledParallelSender"/>
</Sender>
<Interceptor className="org.apache.catalina.tribes.group.interceptors.TcpFailureDetector"/>
<Interceptor className="org.apache.catalina.tribes.group.interceptors.MessageDispatch15Interceptor"/>
</Channel>
<Valve className="org.apache.catalina.ha.tcp.ReplicationValve"
filter=""/>
<Valve className="org.apache.catalina.ha.session.JvmRouteBinderValve"/>
<Deployer className="org.apache.catalina.ha.deploy.FarmWarDeployer"
tempDir="/tmp/war-temp/"
deployDir="/tmp/war-deploy/"
watchDir="/tmp/war-listen/"
watchEnabled="false"/>
<ClusterListener className="org.apache.catalina.ha.session.JvmRouteSessionIDBinderListener"/>
<ClusterListener className="org.apache.catalina.ha.session.ClusterSessionListener"/>
</Cluster>
[root@centos-152 tomcat]# cp web.xml /usr/share/tomcat/webapps/test/WEB-INF/
[root@centos-152 tomcat]# vim /usr/share/tomcat/webapps/test/WEB-INF/web.xml
# 添加行
<distributable/>
浏览器测试：http://192.168.46.151/test
