我試圖讓兩個Tomcat的安裝6上運行一個基本的Apache 2.2的負載均衡。我正在閱讀所有文檔,並且無法正常工作。我相當肯定,我的Apache配置是正確的,但我想我的Tomcat設置中缺少一些阻止連接的設置。 Tomcat連接器文檔對於如何修改Apache很有幫助,但沒有提到Tomcat設置中需要更改的內容。Apache的負載平衡器 - 失去了一些東西,它不工作
這是我的基本設置。所有3個安裝都在同一臺機器上(這只是一個測試設置)。所以,Apache 2.2安裝在C:\ apache目錄下。在端口80上偵聽。2 Tomcat 6安裝,一個在端口81上偵聽,一個在端口82上偵聽.Apache將簡單地將所有內容路由到Tomcat服務器,充當100%負載均衡器。
這裏是我得到我的mod_jk.log文件中的錯誤,當我試圖讓在http://localhost:80/index.jsp的連接。這是一個502錯誤的網關錯誤。
[Mon Nov 15 13:05:04.681 2010] [3596:1496] [error] ajp_connection_tcp_get_message::jk_ajp_common.c (1245): wrong message format 0x4854 from 127.0.0.1:81
[Mon Nov 15 13:05:04.681 2010] [3596:1496] [error] ajp_get_reply::jk_ajp_common.c (2058): (tomcat1) Tomcat is down or refused connection. No response has been sent to the client (yet)
[Mon Nov 15 13:05:04.681 2010] [3596:1496] [info] ajp_service::jk_ajp_common.c (2543): (tomcat1) sending request to tomcat failed (recoverable), because of protocol error (attempt=1)
這裏是我在我的Apache的的httpd.conf文件中的設置...
LoadModule jk_module modules/mod_jk.so
<IfModule jk_module>
JkWorkersFile conf/workers.properties
JkLogFile logs/mod_jk.log
JkLogLevel info
JkMountFile conf/uriworkermap.properties
</IfModule>
這裏是workers.properties文件我有...
#
# This file provides minimal jk configuration properties needed to
# connect to Tomcat.
#
# The workers that jk should create and work with
#
worker.list=loadbalancer,jkstatus
#
# Define the servers in our cluster
#
worker.tomcat1.type=ajp13
worker.tomcat1.host=localhost
worker.tomcat1.port=81
worker.tomcat1.lbfactor=2
worker.tomcat2.type=ajp13
worker.tomcat2.host=localhost
worker.tomcat2.port=82
worker.tomcat2.lbfactor=1
#
# Defining a load balancer
#
worker.loadbalancer.type=lb
worker.loadbalancer.balance_workers=tomcat1,tomcat2
worker.loadbalancer.sticky_session=false
#
# Define status worker
#
worker.jkstatus.type=status
這裏是uriworkermap.properties我有
#
# This file provides sample mappings for example wlb
# worker defined in workermap.properties.minimal
# The general syntax for this file is:
# [URL]=[Worker name]
/*.*=loadbalancer
最後,這裏是在其server.xml中的Tomcat的引擎標籤文件
<Engine name="Catalina" defaultHost="localhost" jvmRoute="tomcat1">
<Realm className="org.apache.catalina.realm.UserDatabaseRealm" resourceName="UserDatabase" />
<Host name="localhost" appBase="webapps" deployOnStartup="true">
<Valve className="org.apache.catalina.valves.AccessLogValve"
directory="logs" prefix="localhost_access_log." suffix=".txt"
pattern="common" resolveHosts="false"/>
</Host>
</Engine>
「Tomcat將該端口轉發到HTTP連接器端口。」不,它不。 Tomcat直接通過AJP端口接收請求。您可以並可能應該完全刪除HTTP連接器。 'redirectPort'應該設置爲「443」。 – EJP 2012-06-25 00:25:24