Apache+tomcat Load Balancing cluster construction

1. Required Software

Apache_2.2.4-win32-x86-no_ssl,apache Server

mod_jk-apache-2.2.4 connector, connecting Apache and Tomcat

Apache-tomcat-6.0.33tomcat Server

2. Software Installation

2.1apache Installation

Always next, to this interface:

Fill in the domain name or localhost is available;

After the installation is complete, launch access localhost with the following installation success:

2.2tomcat Installation

omitted, a lot of online data.

3. Cluster configuration

3.1apache integration with mod_jk.so

(1) Modify the httpd.conf configuration file and add the following statement:

Function: Loads the mod_jk.so and reads the mod_jk.conf configuration file.

(2) under the Conf folder in the Apache installation directory, create a new file mod_jk.conf

Add the following configuration:

Role: MOD_JK as a connector, mod_jk.conf configuration file configured as a connector workers.properties the work profile of subordinate servers.

(3) under the Conf folder in the Apache installation directory, create a new file workers.properties

The configuration is as follows:

Role: Configure the working Tomcat node.

3.2tomcat Configuration

(1) Copy of two Tomcat

(2) Modify the Server.xml file under the Conf folder in the Tomcat installation directory, and modify the following:

The Jvmroute is the same as the name configured in the Worker.properities file.

TOMCAT1 configuration with TOMCAT2 configuration.

4. Testing

The new folder directory structure under Tomcat working directory WebApps is as follows:

The contents of the test.jsp file are as follows:

Results

The test path is as follows: http://localhost/test/test.jsp

First time visit:

Second visit:

Apache requests distribution based on the load balancing policies and parameters that are set.

5. Frequently Asked Questions

(1) Apache installation failed

Solution: Install directory settings to the root directory, for example: h:/.

(2) Apache failed to start

Solution: In the cmd name to the Apache installation directory/bin, enter the HTTPD-T command, you will be prompted with detailed error information, based on detailed error information to troubleshoot. For example: Can not load apache2.2/modules/mod_jk.so into server:%1 \xb2\xbb\xca\xc7\xd3\xd0\xd0\xa7\xb5\xc4win32 \xd3\xa6\xd3 \XC3\XB3\XCC\XD0\XF2\XA1\XA3, this problem may be a version issue, or there is a problem with the configuration file, you can replace the MOD_JK version or this check httpd.conf configuration file.

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Apache+tomcat Load Balancing cluster construction