第一季：Tomcat 8迷情】 第7集 apache http server+tomcat+mod_jk在linux上的负载均衡配置

1.安装mod_jk

[root@centos2 software]# wget http://mirrors.hust.edu.cn/apache/tomcat/tomcat-connectors/jk/tomcat-connectors-1.2.40-src.tar.gz
[root@centos2 software]# tar xzvf tomcat-connectors-1.2.40-src.tar.gz

[root@centos2 software]# cd tomcat-connectors-1.2.40-src
[root@centos2 tomcat-connectors-1.2.40-src]# cd native/

[root@centos2 native]# ./configure --with-apxs=/usr/local/apache2/bin/apxs
[root@centos2 native]# make

[root@centos2 native]# cd apache-2.0/
[root@centos2 apache-2.0]# ls
bldjk54.qclsrc config.m4 Makefile.apxs Makefile.in mod_jk.a mod_jk.dsp mod_jk.lo mod_jk.so
bldjk.qclsrc Makefile Makefile.apxs.in Makefile.vc mod_jk.c mod_jk.la mod_jk.o NWGNUmakefile
[root@centos1 apache-2.0]# cp mod_jk.so /usr/local/apache2/modules/

2.创建httpd-jk.conf

[root@centos2 conf]# vi httpd-jk.conf

# Load the mod_jk
LoadModule  jk_module  modules/mod_jk.so
JkWorkersFile  conf/workers.properties
JkLogFile  logs/mod_jk.log
JkLogLevel  debug
JkMount  /*  myCluster

3.创建workers.properties
[root@centos2 conf]# vi workers.properties

worker.list=myCluster

worker.TomcatA.port=8009
worker.TomcatA.host=192.168.146.128
worker.TomcatA.type=ajp13
worker.TomcatA.lbfactor=1

worker.TomcatB.port=8009
worker.TomcatB.host=192.168.146.130
worker.TomcatB.type=ajp13
worker.TomcatB.lbfactor=1

worker.myCluster.type=lb
worker.myCluster.balance_workers=TomcatA,TomcatB
worker.myCluster.sticky_session = 0

4.配置httpd.conf
[root@centos2 conf]# vi httpd.conf
将以下module注释去掉：

LoadModule proxy_module modules/mod_proxy.so
LoadModule proxy_connect_module modules/mod_proxy_connect.so
LoadModule proxy_ftp_module modules/mod_proxy_ftp.so
LoadModule proxy_http_module modules/mod_proxy_http.so
LoadModule proxy_fcgi_module modules/mod_proxy_fcgi.so
LoadModule proxy_scgi_module modules/mod_proxy_scgi.so
LoadModule proxy_wstunnel_module modules/mod_proxy_wstunnel.so
LoadModule proxy_ajp_module modules/mod_proxy_ajp.so
LoadModule proxy_balancer_module modules/mod_proxy_balancer.so
LoadModule proxy_express_module modules/mod_proxy_express.so

LoadModule slotmem_shm_module modules/mod_slotmem_shm.so

LoadModule lbmethod_byrequests_module modules/mod_lbmethod_byrequests.so
LoadModule lbmethod_bytraffic_module modules/mod_lbmethod_bytraffic.so
LoadModule lbmethod_bybusyness_module modules/mod_lbmethod_bybusyness.so
LoadModule lbmethod_heartbeat_module modules/mod_lbmethod_heartbeat.so

将mod_jk.conf配置加载到系统中：

Include conf/httpd-jk.conf

5.启动apache

[root@centos2 bin]# ./apachectl start
6.测试
http://192.168.146.130/dudada
页面显示正常表示配置成功了！

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