jboss和apache的集群配置
2009-11-02 14:57
337 查看
说起JBoss集群好像很高深的样子,其实一点也不恐怖,建立一个集群很简单,难的是怎么针对具体的应用优化服务器和实现负载均衡(学习中^o^)。本文将带领大家在JBoss的default目录下建立一个简单的Web方面的JBoss集群。
搭建环境
两台电脑 //其实一台也够了,不过需要修改其中一个JBoss监听的端口,要不然有冲突
jboss-4.0.4.GA
apache_2.0.59 //我使用的是apache_2.0.59-win32-x86-no_ssl,其实无所谓的
mod_jk-apache-2.0.59.so //Apache请求分发的模块,官网上可以找到
首先安装JBoss,我用的是zip格式的,直接解压缩就可以了,在两台电脑里分别安装。
接下来在其中一台电脑上(这里是192.168.0.2)安装Apache(其实应该再找一台电脑来安装的),很简单,略过^o^(偶是不是很懒^o^)
配置JBoss
假设两台电脑的IP分别为192.168.0.2和192.168.0.3。我们这里使用JBoss的default目录。
将如下文件从%JBoss_Home%/server/all/lib里面拷到%JBoss_Home%/server/default/lib目录下:
jbossha.jar(加载org.jboss.ha.framework.server.ClusterPartition)
jgroups.jar(JBoss集群底层通信协议)
jboss-cache.jar(加载org.jboss.cache.aop.TreeCacheAop)
还要从%JBoss_Home%/server/all/deploy里把cluster-service.xml和tc5-cluster.sar拷贝到%JBoss_Home%/server/default/deploy里面。
编辑192.168.0.2的%JBoss_Home%/server/default/deploy/jbossweb-tomcat55.sar/server.xml
修改下面代码:
<
Engine
name
="jboss.web"
defaultHost
="localhost"
>
修改为:
<
Engine
name
="jboss.web"
defaultHost
="localhost"
jvmRoute
="node1"
>
其中 jvmRoute是用来让apache识别的节点名称,一个节点一个名称,注意不要有重复的(可以结合IP设置)。
同理编辑192.168.0.3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192.168.0.2的不重复就行,但是要和Apache的workers.properties(稍后介绍)下的配置一致。
在%JBoss_Home%/server/default/deploy/jbossweb-tomcat55.sar/ROOT.war/目录下添加一个新文件夹/test,并在里面添加如下3个jsp文件:
index.jsp
1
<%
@ page contentType
=
"
text/html;charset=ISO8859_1
"
%>
2
3
<
html
>
4
<
head
>
5
<
title
>
Test
</
title
>
6
<
meta
http-equiv
="Content-Type"
content
="text/html; charset=gb2312"
>
7
</
head
>
8
9
<
body
onload
="document.form.name.focus()"
>
10
<
br
><
br
><
br
>
11
<
center
>
12
The host is :
<%
=
java.net.InetAddress.getLocalHost().toString()
%>
<
br
>
13
Your session id is :
<%
=
session.getId()
%>
<
br
>
14
Your session detail is :
<%
=
session.toString()
%>
<
br
>
15
Your session context is :
<%
=
session.getSessionContext()
%>
<
br
><
br
>
16
Please input your name:
<
br
>
17
<
form
action
="test_action.jsp"
method
="POST"
name
="form"
>
18
<
input
type
="input"
name
="name"
/>
19
<
input
type
="submit"
value
="提交"
>
20
</
form
>
21
</
center
>
22
</
body
>
23
</
html
>
24
25
test_action.jsp
1
<%
@ page contentType
=
"
text/html;charset=ISO8859_1
"
%>
2
3
<
html
>
4
<
head
>
5
<
title
>
Test Action
</
title
>
6
<
meta
http-equiv
="Content-Type"
content
="text/html; charset=gb2312"
>
7
</
head
>
8
<%
9
String
name
=
request.getParameter(
"
name
"
);
10
session.setAttribute(
"
name
"
,name);
11
String
host
=
java.net.InetAddress.getLocalHost().toString();
12
%>
13
<
body
>
14
<
br
>
15
<
br
>
16
<
center
>
17
The host is :
<%
=
host
%>
<
br
><
br
>
18
Your session id is :
<%
=
session.getId()
%>
<
br
>
19
Your session detail is :
<%
=
session.toString()
%>
<
br
>
20
Your session context is :
<%
=
session.getSessionContext()
%>
<
br
><
br
>
21
Your name is :
<%
=
name
%>
<
br
>
22
This name is set into the session.
<
br
>
23
Please click
<
a
href
="session.jsp"
>
here
</
a
>
to check the session valid or not.
24
</
center
>
25
</
body
>
26
</
html
>
27
28
session.jsp
1
<%
@ page contentType
=
"
text/html;charset=ISO8859_1
"
%>
2
3
<
html
>
4
<
head
>
5
<
title
>
Test Action
</
title
>
6
<
meta
http-equiv
="Content-Type"
content
="text/html; charset=gb2312"
>
7
</
head
>
8
<%
9
String
name
=
null
;
10
if
(session.getAttribute(
"
name
"
)!
=
null
)
11
name
=
(
String
)session.getAttribute(
"
name
"
);
12
String
host
=
java.net.InetAddress.getLocalHost().toString();
13
%>
14
<
body
>
15
<
br
>
16
<
br
>
17
<
center
>
18
The host is :
<%
=
host
%>
<
br
>
19
Your session id is :
<%
=
session.getId()
%>
<
br
>
20
Your session detail is :
<%
=
session.toString()
%>
<
br
>
21
Your session context is :
<%
=
session.getSessionContext()
%>
<
br
><
br
>
22
<%
23
if
(name!
=
null
){
24
out.print(
"
Your name is
"
+
name
+
"
<br>
"
);
25
out.print(
"
The session is valid.
"
);
26
}
27
else
{
28
out.print(
"
The session is invalid!!!
"
);
29
}
30
%>
31
<
a
href
="index.jsp"
>
Return!
</
a
>
32
</
center
>
33
</
body
>
34
<%
35
if
(session.getAttribute(
"
name
"
)!
=
null
)
36
session.invalidate();
37
%>
38
</
html
>
39
40
编辑%JBoss_Home%/server/default/deploy/jbossweb-tomcat55.sar/ROOT.war/WEB-INF/web.xml在<web-app>节点下增加如下代码:
1
<
distributable
/>
完成后web.xml代码如下:
1
<?
xml version="1.0" encoding="ISO-8859-1"
?>
2
3
<!
DOCTYPE web-app
4
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
5
"http://java.sun.com/dtd/web-app_2_3.dtd"
>
6
7
<
web-app
>
8
<
distributable
/>
9
<
display-name
>
Welcome to JBoss
</
display-name
>
10
<
description
>
11
Welcome to JBoss
12
</
description
>
13
<
servlet
>
14
<
servlet-name
>
Status Servlet
</
servlet-name
>
15
<
servlet-class
>
org.jboss.web.tomcat.tc5.StatusServlet
</
servlet-class
>
16
</
servlet
>
17
<
servlet-mapping
>
18
<
servlet-name
>
Status Servlet
</
servlet-name
>
19
<
url-pattern
>
/status
</
url-pattern
>
20
</
servlet-mapping
>
21
</
web-app
>
22
看到第8行了吗?^o^
到这里JBoss就配置完成了^o^
配置Apache
JBoss
的Web集群使用apache的mod_jk,浏览器请求apache服务器,apache服务器根据workers.properties中的配置进行
request分发,apache服务器和Jboss中的Tomcat可以用ajp1.3进行通信的,request通过ajp1.3协议的包装被发送到
Jboss,Jboss执行后返回结果。
将下载到的mod_jk-apache-2.0.59.so保存到%Apache%/modules/目录下,并去掉版本号重命名为“mod_jk.so”,如果不改也可以在mod-jk.conf文件(稍后介绍)里修改配置。
在%Apache%/conf/目录下新建mod-jk.conf,并将如下代码添加进去:
1
# Load mod_jk module
2
# Specify the filename of the mod_jk lib
3
LoadModule jk_module modules/mod_jk.so
4
# Where to find workers.properties
5
JkWorkersFile conf/workers.properties
6
# Where to put jk logs
7
JkLogFile logs/mod_jk.log
8
# Set the jk log level [debug/error/info]
9
JkLogLevel debug
10
# Select the log format
11
JkLogStampFormat "[%a %b %d %H:%M:%S %Y]"
12
# JkOptions indicates to send SSK KEY SIZE
13
JkOptions +ForwardKeySize +ForwardURICompat -ForwardDirectories
14
# JkRequestLogFormat
15
JkRequestLogFormat "%w %V %T"
16
# Mount your applications
17
#JkMount /application/* loadbalancer
18
JkMount /* loadbalancer
19
# You can use external file for mount points.
20
# It will be checked for updates each 60 seconds.
21
# The format of the file is: /url=worker
22
# /examples/*=loadbalancer
23
JkMountFile conf/uriworkermap.properties
24
# Add shared memory.
25
# This directive is present with 1.2.10 and
26
# later versions of mod_jk, and is needed for
27
# for load balancing to work properly
28
JkShmFile logs/jk.shm
29
# Add jkstatus for managing runtime data
30
<
Location
/jkstatus
/>
31
JkMount status
32
Order deny,allow
33
Deny from all
34
Allow from 127.0.0.1
35
</
Location
>
上述代码的第3行就是配置mod_jk.so模块的路径。
编辑%Apache%/conf/httpd.conf在最后一行添加如下代码:
1
Include conf/mod-jk.conf
在 %Apache%/conf/目录下添加workers.properties文件,该文件就是配置Apache所要将request转发到的JBoss的路径信息,代码如下:
1
# 定义request所要转发到的节点
2
worker.list=loadbalancer,status
3
# 定义节点 Node1
4
worker.node1.port=8009
5
worker.node1.host=192.168.0.2
6
worker.node1.type=ajp13
7
worker.node1.lbfactor=1
8
worker.node1.cachesize=10
9
# 定义节点 Node2
10
worker.node2.port=8009
11
worker.node2.host=192.168.0.3
12
worker.node2.type=ajp13
13
worker.node2.lbfactor=1
14
worker.node2.cachesize=10
15
# 负载配置
16
worker.loadbalancer.type=lb
17
worker.loadbalancer.balance_workers=node1,node2
18
worker.loadbalancer.sticky_session=0
19
worker.status.type=status
上述代码中:
port是配置JBoss AJP所监听的端口号,可以在%JBoss_Home%/server/default/deploy/jbossweb-tomcat55.sar/server.xml 看到,如下
1
<!--
A AJP 1.3 Connector on port 8009
-->
2
<
Connector
port
="8009"
address
="${jboss.bind.address}"
3
emptySessionPath
="true"
enableLookups
="false"
4
redirectPort
="8443"
protocol
="AJP/1.3"
/>
host定义JBoss所在机器的IP地址
lbfactor定义该节点的权重,数字越大分发到该节点的request越多
cachesize是servlet线程池的大小(对session复制有影响)
到这里所有的配置就全部完成啦^o^
启动192.168.0.2上的apache和两台机器上的JBoss。
打开浏览器,输入网址访问apache:http://192.168.0.2/test/index.jsp
,回车!看到了吧?
页面上有JBoss所在机器的IP地址,刷新页面还能看到IP在变化,说明apache将request分发到了不同的JBoss上,在输入框中输入随便一个字符串并提交还能测试JBoss 的session复制情况。
^o^
搭建环境
两台电脑 //其实一台也够了,不过需要修改其中一个JBoss监听的端口,要不然有冲突
jboss-4.0.4.GA
apache_2.0.59 //我使用的是apache_2.0.59-win32-x86-no_ssl,其实无所谓的
mod_jk-apache-2.0.59.so //Apache请求分发的模块,官网上可以找到
首先安装JBoss,我用的是zip格式的,直接解压缩就可以了,在两台电脑里分别安装。
接下来在其中一台电脑上(这里是192.168.0.2)安装Apache(其实应该再找一台电脑来安装的),很简单,略过^o^(偶是不是很懒^o^)
配置JBoss
假设两台电脑的IP分别为192.168.0.2和192.168.0.3。我们这里使用JBoss的default目录。
将如下文件从%JBoss_Home%/server/all/lib里面拷到%JBoss_Home%/server/default/lib目录下:
jbossha.jar(加载org.jboss.ha.framework.server.ClusterPartition)
jgroups.jar(JBoss集群底层通信协议)
jboss-cache.jar(加载org.jboss.cache.aop.TreeCacheAop)
还要从%JBoss_Home%/server/all/deploy里把cluster-service.xml和tc5-cluster.sar拷贝到%JBoss_Home%/server/default/deploy里面。
编辑192.168.0.2的%JBoss_Home%/server/default/deploy/jbossweb-tomcat55.sar/server.xml
修改下面代码:
<
Engine
name
="jboss.web"
defaultHost
="localhost"
>
修改为:
<
Engine
name
="jboss.web"
defaultHost
="localhost"
jvmRoute
="node1"
>
其中 jvmRoute是用来让apache识别的节点名称,一个节点一个名称,注意不要有重复的(可以结合IP设置)。
同理编辑192.168.0.3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192.168.0.2的不重复就行,但是要和Apache的workers.properties(稍后介绍)下的配置一致。
在%JBoss_Home%/server/default/deploy/jbossweb-tomcat55.sar/ROOT.war/目录下添加一个新文件夹/test,并在里面添加如下3个jsp文件:
index.jsp
1
<%
@ page contentType
=
"
text/html;charset=ISO8859_1
"
%>
2
3
<
html
>
4
<
head
>
5
<
title
>
Test
</
title
>
6
<
meta
http-equiv
="Content-Type"
content
="text/html; charset=gb2312"
>
7
</
head
>
8
9
<
body
onload
="document.form.name.focus()"
>
10
<
br
><
br
><
br
>
11
<
center
>
12
The host is :
<%
=
java.net.InetAddress.getLocalHost().toString()
%>
<
br
>
13
Your session id is :
<%
=
session.getId()
%>
<
br
>
14
Your session detail is :
<%
=
session.toString()
%>
<
br
>
15
Your session context is :
<%
=
session.getSessionContext()
%>
<
br
><
br
>
16
Please input your name:
<
br
>
17
<
form
action
="test_action.jsp"
method
="POST"
name
="form"
>
18
<
input
type
="input"
name
="name"
/>
19
<
input
type
="submit"
value
="提交"
>
20
</
form
>
21
</
center
>
22
</
body
>
23
</
html
>
24
25
test_action.jsp
1
<%
@ page contentType
=
"
text/html;charset=ISO8859_1
"
%>
2
3
<
html
>
4
<
head
>
5
<
title
>
Test Action
</
title
>
6
<
meta
http-equiv
="Content-Type"
content
="text/html; charset=gb2312"
>
7
</
head
>
8
<%
9
String
name
=
request.getParameter(
"
name
"
);
10
session.setAttribute(
"
name
"
,name);
11
String
host
=
java.net.InetAddress.getLocalHost().toString();
12
%>
13
<
body
>
14
<
br
>
15
<
br
>
16
<
center
>
17
The host is :
<%
=
host
%>
<
br
><
br
>
18
Your session id is :
<%
=
session.getId()
%>
<
br
>
19
Your session detail is :
<%
=
session.toString()
%>
<
br
>
20
Your session context is :
<%
=
session.getSessionContext()
%>
<
br
><
br
>
21
Your name is :
<%
=
name
%>
<
br
>
22
This name is set into the session.
<
br
>
23
Please click
<
a
href
="session.jsp"
>
here
</
a
>
to check the session valid or not.
24
</
center
>
25
</
body
>
26
</
html
>
27
28
session.jsp
1
<%
@ page contentType
=
"
text/html;charset=ISO8859_1
"
%>
2
3
<
html
>
4
<
head
>
5
<
title
>
Test Action
</
title
>
6
<
meta
http-equiv
="Content-Type"
content
="text/html; charset=gb2312"
>
7
</
head
>
8
<%
9
String
name
=
null
;
10
if
(session.getAttribute(
"
name
"
)!
=
null
)
11
name
=
(
String
)session.getAttribute(
"
name
"
);
12
String
host
=
java.net.InetAddress.getLocalHost().toString();
13
%>
14
<
body
>
15
<
br
>
16
<
br
>
17
<
center
>
18
The host is :
<%
=
host
%>
<
br
>
19
Your session id is :
<%
=
session.getId()
%>
<
br
>
20
Your session detail is :
<%
=
session.toString()
%>
<
br
>
21
Your session context is :
<%
=
session.getSessionContext()
%>
<
br
><
br
>
22
<%
23
if
(name!
=
null
){
24
out.print(
"
Your name is
"
+
name
+
"
<br>
"
);
25
out.print(
"
The session is valid.
"
);
26
}
27
else
{
28
out.print(
"
The session is invalid!!!
"
);
29
}
30
%>
31
<
a
href
="index.jsp"
>
Return!
</
a
>
32
</
center
>
33
</
body
>
34
<%
35
if
(session.getAttribute(
"
name
"
)!
=
null
)
36
session.invalidate();
37
%>
38
</
html
>
39
40
编辑%JBoss_Home%/server/default/deploy/jbossweb-tomcat55.sar/ROOT.war/WEB-INF/web.xml在<web-app>节点下增加如下代码:
1
<
distributable
/>
完成后web.xml代码如下:
1
<?
xml version="1.0" encoding="ISO-8859-1"
?>
2
3
<!
DOCTYPE web-app
4
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
5
"http://java.sun.com/dtd/web-app_2_3.dtd"
>
6
7
<
web-app
>
8
<
distributable
/>
9
<
display-name
>
Welcome to JBoss
</
display-name
>
10
<
description
>
11
Welcome to JBoss
12
</
description
>
13
<
servlet
>
14
<
servlet-name
>
Status Servlet
</
servlet-name
>
15
<
servlet-class
>
org.jboss.web.tomcat.tc5.StatusServlet
</
servlet-class
>
16
</
servlet
>
17
<
servlet-mapping
>
18
<
servlet-name
>
Status Servlet
</
servlet-name
>
19
<
url-pattern
>
/status
</
url-pattern
>
20
</
servlet-mapping
>
21
</
web-app
>
22
看到第8行了吗?^o^
到这里JBoss就配置完成了^o^
配置Apache
JBoss
的Web集群使用apache的mod_jk,浏览器请求apache服务器,apache服务器根据workers.properties中的配置进行
request分发,apache服务器和Jboss中的Tomcat可以用ajp1.3进行通信的,request通过ajp1.3协议的包装被发送到
Jboss,Jboss执行后返回结果。
将下载到的mod_jk-apache-2.0.59.so保存到%Apache%/modules/目录下,并去掉版本号重命名为“mod_jk.so”,如果不改也可以在mod-jk.conf文件(稍后介绍)里修改配置。
在%Apache%/conf/目录下新建mod-jk.conf,并将如下代码添加进去:
1
# Load mod_jk module
2
# Specify the filename of the mod_jk lib
3
LoadModule jk_module modules/mod_jk.so
4
# Where to find workers.properties
5
JkWorkersFile conf/workers.properties
6
# Where to put jk logs
7
JkLogFile logs/mod_jk.log
8
# Set the jk log level [debug/error/info]
9
JkLogLevel debug
10
# Select the log format
11
JkLogStampFormat "[%a %b %d %H:%M:%S %Y]"
12
# JkOptions indicates to send SSK KEY SIZE
13
JkOptions +ForwardKeySize +ForwardURICompat -ForwardDirectories
14
# JkRequestLogFormat
15
JkRequestLogFormat "%w %V %T"
16
# Mount your applications
17
#JkMount /application/* loadbalancer
18
JkMount /* loadbalancer
19
# You can use external file for mount points.
20
# It will be checked for updates each 60 seconds.
21
# The format of the file is: /url=worker
22
# /examples/*=loadbalancer
23
JkMountFile conf/uriworkermap.properties
24
# Add shared memory.
25
# This directive is present with 1.2.10 and
26
# later versions of mod_jk, and is needed for
27
# for load balancing to work properly
28
JkShmFile logs/jk.shm
29
# Add jkstatus for managing runtime data
30
<
Location
/jkstatus
/>
31
JkMount status
32
Order deny,allow
33
Deny from all
34
Allow from 127.0.0.1
35
</
Location
>
上述代码的第3行就是配置mod_jk.so模块的路径。
编辑%Apache%/conf/httpd.conf在最后一行添加如下代码:
1
Include conf/mod-jk.conf
在 %Apache%/conf/目录下添加workers.properties文件,该文件就是配置Apache所要将request转发到的JBoss的路径信息,代码如下:
1
# 定义request所要转发到的节点
2
worker.list=loadbalancer,status
3
# 定义节点 Node1
4
worker.node1.port=8009
5
worker.node1.host=192.168.0.2
6
worker.node1.type=ajp13
7
worker.node1.lbfactor=1
8
worker.node1.cachesize=10
9
# 定义节点 Node2
10
worker.node2.port=8009
11
worker.node2.host=192.168.0.3
12
worker.node2.type=ajp13
13
worker.node2.lbfactor=1
14
worker.node2.cachesize=10
15
# 负载配置
16
worker.loadbalancer.type=lb
17
worker.loadbalancer.balance_workers=node1,node2
18
worker.loadbalancer.sticky_session=0
19
worker.status.type=status
上述代码中:
port是配置JBoss AJP所监听的端口号,可以在%JBoss_Home%/server/default/deploy/jbossweb-tomcat55.sar/server.xml 看到,如下
1
<!--
A AJP 1.3 Connector on port 8009
-->
2
<
Connector
port
="8009"
address
="${jboss.bind.address}"
3
emptySessionPath
="true"
enableLookups
="false"
4
redirectPort
="8443"
protocol
="AJP/1.3"
/>
host定义JBoss所在机器的IP地址
lbfactor定义该节点的权重,数字越大分发到该节点的request越多
cachesize是servlet线程池的大小(对session复制有影响)
到这里所有的配置就全部完成啦^o^
启动192.168.0.2上的apache和两台机器上的JBoss。
打开浏览器,输入网址访问apache:http://192.168.0.2/test/index.jsp
,回车!看到了吧?
页面上有JBoss所在机器的IP地址,刷新页面还能看到IP在变化,说明apache将request分发到了不同的JBoss上,在输入框中输入随便一个字符串并提交还能测试JBoss 的session复制情况。
^o^
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