上一篇(apache+tomcat集群01 HTTP代理模式),我说了通过Http代理模式实现Tomcat集群,今天我们来简单把AJP方式实现集群的方式介绍一下,其实和Http代理模式很类似,废话少说
1、加载module:
LoadModule proxy_module modules/mod_proxy.so LoadModule proxy_balancer_module modules/mod_proxy_balancer.so LoadModule proxy_http_module modules/mod_proxy_http.so LoadModule proxy_ajp_module modules/mod_proxy_ajp.so
2、继续添加如下配置:
ProxyPass / balancer://loadbalancer/ ProxyPassReverse / balancer://loadbalancer/ <Proxy balancer://loadbalancer/> BalancerMember ajp://localhost:8019/ BalancerMember ajp://localhost:8029/ BalancerMember ajp://localhost:8039/ </Proxy>
以上与Http修改主要集中在
1、 修改BalancerMember中的http为ajp;
2、 注意这里的8019、8029、8039,是Tomcat server.xml中的port
<Connector port="8019" protocol="AJP/1.3" redirectPort="8443" />
如果我们这里直接写成Tomcat的端口会报:
[Fri Aug 02 18:28:38 2013] [error] ajp_read_header: ajp_ilink_receive failed [Fri Aug 02 18:28:38 2013] [error] (120006)APR does not understand this error code: proxy: read response failed from (null) (localhost) [Fri Aug 02 18:28:46 2013] [error] (70014)End of file found: ajp_ilink_receive() can't receive header [Fri Aug 02 18:28:46 2013] [error] ajp_read_header: ajp_ilink_receive failed [Fri Aug 02 18:28:46 2013] [error] (120006)APR does not understand this error code: proxy: read response failed from (null) (localhost)
3、配置Tomcat容器
测试: