Configure Apache HTTP Server V2.2

Network Deployment (Distributed operating systems), v8.0 > Set up intermediary services > Implement a web server plug-in > Edit web server configuration files

Configure Apache HTTP Server V2.2

This topic describes how to change configuration settings for Apache HTTP Server v2.2.
Install Apache 2.2 and the latest version of the web server plug-ins.
Apache HTTP Server v2.2 is different from IBM HTTP Server (powered by Apache). Apache HTTP Server is not supported on IBM i.
After you install the web server plug-ins, you can use the Web Server Plug-ins Configuration Tool to configure a web server plug-in.
This topic describes how to configure the Apache HTTP Server v2.2 Web server. Other procedures in Edit web server configuration files describe configuring other supported web servers.

If you are using an Apache HTTP Server that supports 64-bit addressing, use the 64-bit CD provided with the WAS product to install the Apache Web Server plug-in binaries. If you use the 32-bit CD, you will receive an error message indicating that the plug-in binaries did not load.

If you are using an Apache HTTP Server that supports 32-bit addressing, use the 32-bit CD provided with the WAS product to install the Apache Web Server plug-in binaries. If you use the 64-bit CD, you will receive an error message indicating that the plug-in binaries did not load.

A sample error message follows:
//publib.boulder.ibm.com/infocenter/wasinfo/v8r0/index.jsp?topic=/  d: Syntax error on line XXX of /home/apache/conf///publib.boulder.ibm.com/infocenter/wasinfo/v8r0/index.jsp?topic=/  d.conf: Cannot
load /home/apache/Plugins/mod_was_ap22_//publib.boulder.ibm.com/infocenter/wasinfo/v8r0/index.jsp?topic=/  .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 WASs 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 Web Server Plug-ins Configuration Tool 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 standalone application server or managed_node_name for a managed node.
The name of the web server definition in the following steps is webserver1.

Procedure
(AIX) Configure entries in the //publib.boulder.ibm.com/infocenter/wasinfo/v8r0/index.jsp?topic=/ d.conf file.
Use the following examples of the LoadModule and the WebSpherePluginConfig directives as models for configuring your file:
LoadModule
     was_ap22_module /usr/IBM/WebSphere/Plugins/bin/mod_was_ap22_//publib.boulder.ibm.com/infocenter/wasinfo/v8r0/index.jsp?topic=/  .so
Local distributed example:
WebSpherePluginConfig
     PROFILE_ROOT/config/cells/
        dmgrcell/nodes/managednode/servers/webserver1/plugin-cfg.xml
(Solaris) Configure entries in the //publib.boulder.ibm.com/infocenter/wasinfo/v8r0/index.jsp?topic=/ d.conf file.
Use the following examples of the LoadModule and the WebSpherePluginConfig directives as models for configuring your file:
LoadModule
     was_ap22_module /opt/IBM/WebSphere/Plugins/bin/mod_was_ap22_//publib.boulder.ibm.com/infocenter/wasinfo/v8r0/index.jsp?topic=/  .so
Local distributed example:
WebSpherePluginConfig
     PROFILE_ROOT/config/cells/
        dmgrcell/nodes/managednode/servers/webserver1/plugin-cfg.xml
(Solaris) On the Solaris SPARC 64-bit platform, the Web Server Plug-ins Configuration Tool installs both 32-bit and 64-bit versions of the plug-in for Apache 2.2, however it configures the web server to use the 32-bit plug-in only. If the web server is 64-bit, configure the LoadModule directive in the //publib.boulder.ibm.com/infocenter/wasinfo/v8r0/index.jsp?topic=/ d.conf file to use the 64-bit plug-in as follows:
LoadModule
     was_ap22_module /usr/IBM/WebSphere/Plugins/bin/64bits/mod_was_ap22_//publib.boulder.ibm.com/infocenter/wasinfo/v8r0/index.jsp?topic=/  .so
Configure entries in the //publib.boulder.ibm.com/infocenter/wasinfo/v8r0/index.jsp?topic=/ d.conf file.
Use the following examples of the LoadModule and the WebSpherePluginConfig directives as models for configuring your file:
LoadModule
     was_ap22_module /opt/IBM/WebSphere/Plugins/bin/mod_was_ap22_//publib.boulder.ibm.com/infocenter/wasinfo/v8r0/index.jsp?topic=/  .sl
Local distributed example:
WebSpherePluginConfig
     PROFILE_ROOT/config/cells/
        dmgrcell/nodes/managednode/servers/webserver1/plugin-cfg.xml
(Windows) Configure entries in the //publib.boulder.ibm.com/infocenter/wasinfo/v8r0/index.jsp?topic=/ d.conf file.
Use the following examples of the LoadModule and the WebSpherePluginConfig directives as models for configuring your file:
LoadModule was_ap22_module
     drive:\IBM\WebSphere\Plugins\bin\mod_was_ap22_//publib.boulder.ibm.com/infocenter/wasinfo/v8r0/index.jsp?topic=/  .dll
Local distributed example:
WebSpherePluginConfig
     PROFILE_ROOT\config\cells\
        dmgrcell\nodes\managednode\servers\webserver1\plugin-cfg.xml
Results

The Apache 2.2 Web Server is re-configured.

What to do next

The native GSKIT SSL encryption library is used.
Install the web server plug-ins 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.
Tip: To unconfigure a web server, reverse the manual steps and remove what was manually added in this procedure.
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