This topic describes how to change configuration settings for Apache HTTP Server Version 2.2.
Install Apache Version 2.2 and the latest version of the Web server plug-ins for WebSphere Application Server Version 6.1 using the Update Installer. You can use Apache Version 2.2 with the Web server plug-ins for WebSphere Application Server V6.1.0.11 and later.
Apache HTTP Server Version 2.2 is different from IBM HTTP Server (powered by Apache). Apache HTTP Server is not supported on i5/OS. For details on configuring IBM HTTP Server (Powered by Apache), see Configuring IBM HTTP Server powered by Apache 2.0.
When you install the Web server plug-ins for WebSphere Application Server on a non-iSeries system, the Plug-ins installation wizard configures the Web server.
For information on how to configure
the Apache HTTP Server Version 2.2 Web server, see Installing Web server plug-ins.
For information on how to configure other supported Web servers other than the Apache HTTP Server Version 2.2 Web server, see Editing Web server configuration files .
httpd: Syntax error on line XXX of /home/apache/conf/httpd.conf: Cannot load /home/apache/Plugins/mod_was_ap22_http.sl into server: Invalid argument
The plug-in was tested with the threaded worker multi-processing module (MPM) on all platforms except Windows. The plug-in was tested with the default threaded MPM on Windows.
The plug-in works with the Apache 2.2 prefork MPM but works best with the worker MPM. The plug-in maintains connection pools to backend WebSphere Application Servers and uses in-memory caching. These plug-in functions perform most efficiently when Apache is configured to use a single child process with the ThreadsPerChild value equal to the MaxClients value. The plug-in can be used with the prefork MPM or the worker MPM that is configured with multiple child processes, but at reduced efficiency.
Compatibility Statement The plug-in works with versions of the Apache HTTP Server that claim full binary compatibility with Apache 2.0.47 and later, which are built with compilers and compiler options that are compatible with those used to build the plug-in.
Perform the step that configures Apache 2.2 for your operating system.
Examples and messages are shown on more than one line for clarity. Place each directive in a Web server configuration file on one line.
Local file path means a file path to the plugin-cfg.xml file on an Application Server that is on the same machine as the Web server. Remote file path means the file path to the plugin-cfg.xml file when the Application Server is on a remote machine. The Plug-ins installation wizard installs a dummy plugin-cfg.xml file during installation, but this file requires periodic propagation from the real file on the Application Server machine.
The node_name in the following Application Server local file paths is web_server_name_node for a stand-alone Application Server or managed_node_name for a managed node.
The name of the Web server definition in the following steps is webserver1.
This procedure results in reconfiguring the Apache 2.2 Web server.
The Plug-ins installation wizard installs
the GSKIT SSL encryption library at the required level if it is not
installed. If you manually copy the plug-in to a new machine, you
might not have the required GSKIT libraries for encrypting back-end
connections.
After configuring a Web server, you can install applications on it. See the Applications section of the information center for more information.
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