空闲时间配了一个jboss集群用来负载均衡,过程中走了不少弯路,查了好多资料,好不容易,所以就写了个文档,希望GGMM节省一些时间,里面有不足之处请谅解刘兵召写于2008122316:55
环境说明刘兵召写于2008122316:55
1.服务器有3台,一台安装apache,两台安装jboss刘兵召写于2008122316:55
2.软件准备:刘兵召写于2008122316:55
apache http server 2.2.4,mod jk 1.2.27,jboss,jdk1.5刘兵召写于2008122316:55
下载mod jk 1.2.27:
http://www.apache.org/dist/tomcat/tomcat-connectors/jk/binaries/win32/jk-1.2.27/
下载:jems
http://jaist.dl.sourceforge.net/sourceforge/jboss/jems-installer-1.2.0.GA.jar
3.ip配置,一台安装apache的ip为192.168.1.6,两台安装jboss的服务器ip分别为192.168.1.3/155
安装过程刘兵召写于2008122316:55
1.在两台要安装jboss的服务器上先安装jdk,配置环境变量,安装jboss;
安装jboss步骤:刘兵召写于2008122316:55
执行java –jar jems-installer-1.2.0.GA.jar,出现Jboss安装图形界面。
选择“中文”。
下一步。刘兵召写于2008122316:55
同意协议。
安装路径设置为/usr/local/jboss,下一步。
选择”all”,下一步。
选择”advance”,把Name由default改为all.其余直接按下一步。
输入Admin密码,下一步。
等待安装结束,完成。
配置Jboss:刘兵召写于2008122316:55
这里的默认WEB服务端口是8888,找到jboss/server/all/deploy/jbossweb-tomcat55.sar/server.xml,
jboss默认端口为:8080,修改为8888,同时修改下面代码:
修改为:
改变cluster广播地址。$JBOSS_HOME/server/all/deploy/tc5-cluster.sar/META-INF/jboss-service.xml.
注释掉"
去掉
同理编辑192.168.1.155的%JBoss_Home%/server/default/deploy/jbossweb-tomcat55.sar/server.xml
注意把jvmRoute设置为node2,可以设置成别的只要和192.168.1.3的不重复就行,但是要和Apache的 workers.properties下的配置一致。找到jboss/server/all/deploy/jbossweb-tomcat55.sar/META-INF/jboss-service.xml 把UseJK改为true,在集群各机器的jboss/bin,分别执行run –c all, 测试每个
jboss的启动是否正常
安装apache刘兵召写于2008122316:55
安装后将apache2/conf/下的httpd.conf 找到ServerName并修改为:ServerName 127.0.0.1:80
apache mod_jk配置刘兵召写于2008122316:55
在apache2/conf/httpd.conf的末尾增加:Include conf/mod_jk.conf,新建mod_jk.conf,输入以下内容:
# Load mod_jk module
# Specify the filename of the mod_jk lib
LoadModule jk_module modules/mod_jk.so
# Where to find workers.properties
JkWorkersFile conf/workers.properties
# Where to put jk logs
JkLogFile logs/mod_jk.log
# Set the jk log level [debug/error/info]
JkLogLevel info
# Select the log format
JkLogStampFormat "[%a %b %d %H:%M:%S %Y] "
# JkOptions indicates to send SSK KEY SIZE
JkOptions +ForwardKeySize +ForwardURICompat -ForwardDirectories
# JkRequestLogFormat
JkRequestLogFormat "%w %V %T"
# Mount your applications
JkMount /application/* loadbalancer
# You can use external file for mount points.
# It will be checked for updates each 60 seconds.
# The format of the file is: /url=worker
# /examples/*=loadbalancer
JkMountFile conf/uriworkermap.properties
# Add shared memory.
# This directive is present with 1.2.10 and
# later versions of mod_jk, and is needed for
# for load balancing to work properly
JkShmFile logs/jk.shm
# Add jkstatus for managing runtime data
JkMount status
Order deny,allow
Deny from all
Allow from 127.0.0.1
新建apache2/conf/workers.properties,增加以下内容:刘兵召写于2008122316:55
#定义request所要转发到的节点刘兵召写于2008122316:55
worker.list=loadbalancer,status
# 定义节点 Node1刘兵召写于2008122316:55
#lbfactor定义该节点的权重,数字越大分发到该节点的request越多
# modify the host as your host IP or DNS name.
worker.node1.port=8009
worker.node1.host=192.168.1.3
worker.node1.type=ajp13
worker.node1.lbfactor=1
worker.node1.local_worker=1
worker.node1.cachesize=10
# 定义节点 Node2刘兵召写于2008122316:55
# modify the host as your host IP or DNS name.
worker.node2.port=8009
worker.node2.host= 192.168.1.155
worker.node2.type=ajp13
worker.node2.lbfactor=1
worker.node2.local_worker=1
worker.node2.cachesize=10
# 负载配置刘兵召写于2008122316:55
worker.loadbalancer.type=lb
worker.loadbalancer.balance_workers=node1,node2
worker.loadbalancer.sticky_session=1
worker.loadbalancer.local_worker_only=1
# Status worker for managing load balancer
worker.status.type=status
至此Apache服务器配置完毕,用Text Configration测试mod_jk加载是否正常,如果正常就可启动Apache
配置应用程序刘兵召写于2008122316:55
在应用程序的web.xml的
在jboss-web.xml中增加以下内容:
在此,我在jboss/server/all/deploy/jbossweb-tomcat55.sar/ROOT.war下创建了一个目录test,加入inex.jsp, session.jsp,test_action.jsp,文件内容分别如下:
<%@ page contentType="text/html;charset=ISO8859_1" %>
The host is : <%=java.net.InetAddress.getLocalHost().toString()%>
Your session id is : <%=session.getId()%>
Your session detail is : <%=session.toString()%>
Your session context is : <%=session.getSessionContext()%>
Please input your name:
<%@ page contentType="text/html;charset=ISO8859_1" %>
<%@ page contentType="text/html;charset=ISO8859_1" %>