Running Multiple Apache Tomcat on same Machine

最新推荐文章于 2025-05-01 19:36:49 发布

guojunjian

最新推荐文章于 2025-05-01 19:36:49 发布

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分类专栏： Tomcat 文章标签： apache tomcat server redirect application rest

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本文介绍如何在同一台机器上配置多个Apache Tomcat实例的方法，包括更改端口号以实现负载均衡或隔离Web应用等目的。文章详细解释了Tomcat使用的各种端口及其在server.xml文件中的配置方式。

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Sometimes we want to run multiple instance of Apache TOMCAT on same machine may be for load balancing, separating web application etc. This article describes on how we can run multiple instance of Apache TOMCAT on same machine.

Running multiple Apache TOMCAT instance does not require any change in the server code, we just need to change the port no assigned to the Apache TOMCAT.

NOTE:

In this article i will be referring to Apache TOMCAT 6 configuration. But the same is applicable for 5.5 also.
Also to change the port configuration you need to edit server.xml, this file resides insideapache-tomcat-/conf/ folder.

Ports Used in Apache TOMCAT:

Shutdown Port
Tomcat Connector Port
AJP Connector Port
Redirect Port

Shutdown Port:
This port is used when we try to shutdown the Apache TOMCAT Server. We can identify this Port inside server.xml by checking the following tag.

<server port="8005" shutdown="SHUTDOWN">
</server>

Connector Port:
This port is used to connect to Apache TOMCAT server. By default 8080 is set. We can identify this Port inside server.xml by checking the following tag.

     <connector port="8080" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" />

AJP Connector Port:
This port is used AJP port, AJP is used to redirect the request to Apache Web Server from Apache TOMCAT Server. We can identify this Port inside server.xml by checking the following tag.

      <connector port="8009" protocol="AJP/1.3" redirectPort="8443" />

Redirect Port:
Any redirection happening inside Apache TOMCAT will happen through this port. In Apache TOMCAT there are two instance where redirectPort is mentioned. First one is for the Apache TOMCAT server and other one is for the AJP port. We can identify this Port inside server.xml by checking the following tag.

      <connector port="8009" protocol="AJP/1.3" redirectPort="8443" />
 
     <connector port="8100" protocol="HTTP/1.1" connectionTimeout="20000" redirectPort="8443" />