Tomcat8 实现负载均衡和集群

1、准备工作需要三个文件1、httpd-2.4.16-x64-vc11.zip2、apache-tomcat-8.0.24-windows-x64.zip3、tomcat-connectors-1.2.40-windows-x86_64-httpd-2.4.x.zip

2、解压httpd-2.4.16-x64-v罕铞泱殳c11.zip文件得到Apache24目录在超级管理员命令提示符下切换到Apache24\bin安装到服务httpd -k install修改conf\httpd.conf的Define SRVROOT "/Apache24"Define SRVROOT "E:/Tomcat/Apache24"否则启动httpd会报错

3、解压tomcat-connectors-1.2.40-windows-x86_64-httpd-2.桃轾庾殇4.x.zip1、把mod_jk.so文件拷贝到Apache24\modules目录下2、在httpd.conf文件最后添加Include conf/mod_jk/mod_jk.conf3、在Apache24\conf目录建立文件夹mod_jk4、创建三个文件mod_jk.conf、workers2.properties和urimap.propertiesmod_jk.conf内容#Load mod_jk module.LoadModule jk_module modules/mod_jk.so#Where to find workers.propertiesJkWorkersFile conf/mod_jk/workers2.propertiesJkMountFile conf/mod_jk/urimap.properties#Where to put jk logsJkLogFile logs/mod_jk.log#Set the jk log level[debug/error/info]JkLogLevel info#Select the log formatJkLogStampFormat "[%a %b %d %H:%M:%S %Y]"#JkRequestLogFormat set the request formatJkRequestLogFormat "%w %V %T"JkMount /* loadbalancerworkers2.properties内容#worker.list=loadbalancerworker.list=loadbalancer,tomcat1,tomcat2#server 列表#define the first nodeworker.tomcat1.port=8009worker.tomcat1.host=127.0.0.1worker.tomcat1.type=ajp13worker.tomcat1.lbfactor=1#worker.tomcat1.redirect = tomcat1#define the second nodeworker.tomcat2.port=9009worker.tomcat2.host=127.0.0.1worker.tomcat2.type=ajp13worker.tomcat2.lbfactor=1#worker.tomcat2.redirect = tomcat2#就是对Tomcat2活动性进行禁用,负载均衡启动的时候，负载都到tomcat1上面去,Tomcat2不参与负载。#当tomcat1当掉的时候，通过worker.tomcat1.redirect = tomcat2 ,tomcat2就会自己启动起来，接替tomcat1继续工作#worker.tomcat2.activation = disabled#Now we define the load-balancing behaviorworker.loadbalancer.type=lb#mod_jk versions 1.2.7 and upusebalance_workersreplaces oldbalanced_workers#worker.loadbalancer.balanced_workers=tomcat1, tomcat2worker.loadbalancer.balance_workers=tomcat1, tomcat2worker.loadbalancer.sticky_session=trueworker.loadbalancer.sticky_session_force=trueurimap.properties内容*.*=loadbalancer

4、解压apache-tomcat-8.0.24-windows-x64.zip并复制两份并分别重命名To罪焐芡拂mcat-8.0.24-x64_1和Tomcat-8.0.24-x64_21、修改Tomcat-8.0.24-x64_2的conf\server.xml文件<Server port="8005" shutdown="SHUTDOWN">改为<Server port="9005" shutdown="SHUTDOWN"><Connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" />改为<Connector port="9080" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="9443" /><Connector port="8009" protocol="AJP/1.3" redirectPort="8443" />改为<Connector port="9009" protocol="AJP/1.3" redirectPort="9443" /><Engine name="Catalina" defaultHost="localhost">改为<Engine name="Catalina" defaultHost="localhost"jvmRoute="tomcat2">2、修改Tomcat-8.0.24-x64_1的conf\server.xml文件<Engine name="Catalina" defaultHost="localhost">改为<Engine name="Catalina" defaultHost="localhost"jvmRoute="tomcat1">

5、运行Apache24\bin\ApacheMonitor.exe任务栏显示当上面配置完成后点击start按钮再访问 http://127.0.0.1到此Tomcat8 实现了负载均衡

6、实现集群把Tomcat-8.0.24-x64_1和Tomcat-8.0.24-x64_2\conf\server.xml里的<Cluster className="org.apache.catalina.ha.tcp.SimpleTcpCluster"/>的注释放开就可以实现简单的集群了