Apache与Tomcat的整合配置方式

本文内容转载整理自《Apache HTTP Server 与 Tomcat 的三种链接方式介绍》(http://www.ibm.com/developerworks/cn/opensource/os-lo-apache-tomcat/css

Apache与Tomcat整合的优点有如下几点:html

1. 提高对静态文件的处理性能shell

2. 利用 Web 服务器来作负载均衡以及容错apache

3. 无缝的升级应用程序tomcat

整合方式一:使用Apache的mod_jk.so模块服务器

使用该方式须要三个配置文件,分别是httpd.conf、workers.properties、uriworkermap.properties,这三个配置文件均需放在apache的conf目录下。session

示例内容以下:负载均衡

httpd.conf性能

# Add module mod_jk.so
LoadModule jk_module modules/mod_jk.so

#
# Configure mod_jk
#

# Configure worker
JkWorkersFile conf/workers.properties
# Configure uri
JkMountFile conf/uriworkermap.properties
JkLogFile logs/mod_jk.log
JkLogLevel warn

workers.propertiesspa

#
# workers.properties
#


# list the workers by name
# DLOG4J is worker 
worker.list=DLOG4J, status

# localhost server 1
# ------------------------
worker.s1.port=8009
worker.s1.host=localhost
worker.s1.type=ajp13

# localhost server 2
# ------------------------
worker.s2.port=8519
worker.s2.host=192.168.200.14
worker.s2.type=ajp13
worker.s2.stopped=1

# configure the type of DLOG4J is loadbalance
worker.DLOG4J.type=lb
worker.retries=3
# configure s1 and s2 is balanced workers 
worker.DLOG4J.balanced_workers=s1, s2
worker.DLOG4J.sticky_session=1

worker.status.type=status

 uriworkermap.properties

#
# uriworkermap.properties
#

/*=DLOG4J
/jkstatus=status

!/*.gif=DLOG4J
!/*.jpg=DLOG4J
!/*.png=DLOG4J
!/*.css=DLOG4J
!/*.js=DLOG4J
!/*.htm=DLOG4J
!/*.html=DLOG4J

整合方式二:使用Apache的mod_proxy.so模块

http_proxy

注意:使用Apache的http_proxy,Tomcat必须配置HTTP Connector使其能支持HTTP协议。

单机时,可用如下配置

ProxyPass /images !
ProxyPass /css !
ProxyPass /js !
ProxyPass / http://localhost:8080/

机器时,可用如下配置

ProxyPass /images !
ProxyPass /css ! 
ProxyPass /js !

ProxyPass / balancer://example/
<Proxy balancer://example/>
BalancerMember http://server1:8080/
BalancerMember http://server2:8080/
BalancerMember http://server3:8080/
</Proxy>

ajp_proxy

注意:使用Apache的ajp_proxy,Tomcat必须配置AJP Connector使其能支持AJP协议。

ProxyPass /images !
ProxyPass /css ! 
ProxyPass /js !

ProxyPass / balancer://example/
<Proxy balancer://example/>
BalancerMember ajp://server1:8080/
BalancerMember ajp://server2:8080/
BalancerMember ajp://server3:8080/
</Proxy>
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