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6: Administer applications >
6.6: Tools and resources quick reference >
6.6.2: Administering nodes (overview) >
6.6.2.4: Property files pertaining to nodes >
6.6.2.4.1: Configuring multiple administrative servers on a node
On the AS/400 system, multiple WebSphere administrative servers can be run on a single
node. (Such a configuration might be possible on other operating systems, but is not formally
tested or supported).
The following administrative server properties are provided in the administrative
server configuration file to support running multiple administrative servers on the
same machine. The admin.config file is located in the bin directory of the WebSphere
Application Server installation root.
In the admin.config file, add the properties and their values as arguments on the
com.ibm.ejs.sm.util.process.Nanny.adminServerJvmArgs property. Add them using standard
Java command line syntax:
-D property_name=property_value
For example:
com.ibm.ejs.sm.util.process.Nanny.adminServerJvmArgs=-ms32m -mx128m -D server.root=property_value
where property_value is the value would like server.root to have.
- server.root
- The default product installation directory. Used to locate properties files, servlets, and other WebSphere resources.
- com.ibm.websphere.servlet.admin.config.file
- Override to specify the full path, including filename,
to the admin.config file, instead of using
server.root/bin
- com.ibm.websphere.servlet.initialEJSSetup.file
- Override to specify the full path, including filename,
to the initialEJSSetup.xml file, instead of using the
server.root/properties directory. Used to created the
initial system configuration.
- com.ibm.websphere.servlet.default.servlet.engine.file
- Override to specify the full path, including filename,
to the default.servlet_engine file, instead of using
the server.root/properties directory. Used to create
the initial system configuration
- com.ibm.websphere.servlet.webapp.root.directory
- Override to specify the directory containing the
webapp configuration tree, instead of using
server.root/hosts. Used to create the initial system
configuration.
- com.ibm.websphere.servlet.admin.bootstrap.file
- Override to specify the full path, including filename,
to the bootstrap.properties file, instead of using the
server.root/properties directory. The load order for
the plug-in configuration used by the admin server is
now:
- This property
- The root of the classloader (for example, a path on the classpath)
- The server.root/properties directory
All configuration for the plug-in used in the administrative
server is acquired from list file and has no
dependency on server.root.
The queues, rules, and vhosts property files are written to the
ose.tmp.dir location specified in
bootstrap.properties.
An additional property can be set from the WebSphere Administrative Console. Add it
as a command line argument of the target application server, again using the standard
Java command line argument notation -D property_name=property_value:
- default.client.encoding
- The default language encoding to be used by the servlet
engine for writing client data.
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