Tomcat集群实现的三种方式
配置
Tomcat1
配置环境
ip a add 192.168.88.101/24 dev ens33
yum install ntpdate -y
ntpdate 172.16.0.1
安装java
yum install java-1.8.0-openjdk-devel -y
安装tomcat
yum install tomcat -y
yum install -y tomcat-admin-webapps tomcat-docs-webapp tomcat-webapps
mkdir /var/lib/tomcat/webapps/{ROOT,test}/{WEB-INF,META-INF,classes,lib} -pv
配置tomcat用户认证
vim /etc/tomcat/tomcat-users.xml
<role rolename="admin-gui"/>
<role rolename="manager-gui"/>
<user username="tomcat" password="tomcat" roles="admin-gui,manager-gui"/>
配置页面内容
vim /var/lib/tomcat/webapps/test/index.jsp
<html>
<head><title>Tomcat1</title></head>
<body>
<h1><font color="blue">Tomcat1.ez.com</font></h1>
<table align="centre" border="1">
<tr>
<td>Session ID</td>
<% session.setAttribute("ez.com","ez.com"); %>
<td><%= session.getId() %></td>
</tr>
<tr>
<td>Created on</td>
<td><%= session.getCreationTime() %></td>
</tr>
</table>
</body>
</html>
Tomcat2
配置环境
ip a add 192.168.88.102/24 dev ens33
yum install ntpdate -y
ntpdate 172.16.0.1
安装java
yum install java-1.8.0-openjdk-devel -y
安装tomcat
yum install tomcat -y
yum install -y tomcat-admin-webapps tomcat-docs-webapp tomcat-webapps
mkdir /var/lib/tomcat/webapps/{ROOT,test}/{WEB-INF,META-INF,classes,lib} -pv
配置tomcat用户认证
vim /etc/tomcat/tomcat-users.xml
<role rolename="admin-gui"/>
<role rolename="manager-gui"/>
<user username="tomcat" password="tomcat" roles="admin-gui,manager-gui"/>
配置页面内容
vim /var/lib/tomcat/webapps/test/index.jsp
<html>
<head><title>Tomcat2</title></head>
<body>
<h1><font color="blue">Tomcat2.ez.com</font></h1>
<table align="centre" border="1">
<tr>
<td>Session ID</td>
<% session.setAttribute("ez.com","ez.com"); %>
<td><%= session.getId() %></td>
</tr>
<tr>
<td>Created on</td>
<td><%= session.getCreationTime() %></td>
</tr>
</table>
</body>
</html>
NT-Nginx环境集群
配置环境
ip a add 192.168.88.11/24 dev ens33
yum install ntpdate -y
ntpdate 172.16.0.1
安装Nginx
yum install nginx -y
配置负载
vim /ect/nginx/nginx.conf
upstream tcsrvs {
server 192.168.88.101:8080;
server 192.168.88.102:8080;
}
...
location / {
proxy_pass http://tcsrvs;
}
...
systemctl start nginx
AT-httpd-http反代集群
配置环境
ip a add 192.168.88.11/24 dev ens33
yum install ntpdate -y
ntpdate 172.16.0.1
安装httpd-配置http协议反向代理
yum install -y httpd
vim /etc/httpd/conf.d/tc.conf
<Proxy balancer://tcsrvs>
BalancerMember http://192.168.88.101:8080
BalancerMember http://192.168.88.102:8080
</Proxy>
<VirtualHost *:80>
Proxyvia On
ProxyRequests Off
<Proxy *>
Require all granted
</Proxy>
ProxyPass / balancer://tcsrvs/
ProxyPassReverse / balancer://tcsrvs/
<Location />
Require all granted
</Location>
</VirtualHost>
systemctl start httpd
AT-httpd-ajp反代集群
配置环境
ip a add 192.168.88.11/24 dev ens33
yum install ntpdate -y
ntpdate 172.16.0.1
安装httpd-配置ajp协议反向代理
yum install -y httpd
vim /etc/httpd/conf.d/tc.conf
<Proxy balancer://tcsrvs>
BalancerMember ajp://192.168.88.101:8009
BalancerMember ajp://192.168.88.102:8009
</Proxy>
<VirtualHost *:80>
Proxyvia On
ProxyRequests Off
<Proxy *>
Require all granted
</Proxy>
ProxyPass / balancer://tcsrvs/
ProxyPassReverse / balancer://tcsrvs/
<Location />
Require all granted
</Location>
</VirtualHost>
systemctl start httpd
Session集群配置
配置
tomcat1
修改tomcat配置
vim /etc/tomcat/server.xml
<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="228.51.111.251"
port="45564"
frequency="500"
dropTime="3000"/>
<Receiver className="org.apache.catalina.tribes.transport.nio.NioReceiver"
address="192.168.88.101"
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>
修改页面配置
cp /etc/tomcat/web.xml /var/lib/tomcat/webapps/test/WEB-INF/
vim /var/lib/tomcat/webapps/test/WEB-INF/web.xml
<distributable/>
tomcat2
修改tomcat配置
vim /etc/tomcat/server.xml
<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="228.51.111.251"
port="45564"
frequency="500"
dropTime="3000"/>
<Receiver className="org.apache.catalina.tribes.transport.nio.NioReceiver"
address="192.168.88.102"
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>
修改页面配置
cp /etc/tomcat/web.xml /var/lib/tomcat/webapps/test/WEB-INF/
vim /var/lib/tomcat/webapps/test/WEB-INF/web.xml
<distributable/>
原创文章，作者：easyTang，如若转载，请注明出处：http://www.178linux.com/79479
