Adobe 38043740 User Guide - Page 33

Multiple instances, Platforms

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ADOBE COLDFUSION 8 29 Installing and Using ColdFusion Note: Each web application running in a server instance must have a unique context root. The JRun default web application uses / for a context root, so if you want to use / for the ColdFusion context root when you deploy on JRun, you must either delete the default-war application or change the default-war context root by editing the defaultear/META-INF/application.xml file. Multiple instances When you use the J2EE configuration, you can define multiple server instances on a single computer, each running ColdFusion. Running multiple instances of ColdFusion has the following advantages: Application isolation You deploy an independent application to each server instance. Each server instance has separate settings, and because each server instance runs in its own instance of the JVM, problems encountered by one application have no effect on other applications. Load balancing and failover You deploy the same application to each server instance and add the instances to a cluster. The web server connector optimizes performance and stability by automatically balancing load and by switching requests to another server instance when a server instance stops running. For more information on configuring ColdFusion on multiple server instances, including detailed information for configuring multiple server instances when running on JRun 4, see Configuring and Administering ColdFusion. The multiserver configuration provides the instance manager to make configuring ColdFusion on multiple servers easier; however, you can also configure ColdFusion on multiple servers manually by deploying EAR files and WAR files on multiple server instances. Platforms Full ColdFusion functionality is available for Windows, Macintosh, Linux, and Solaris, except that the following are Windows-specific: COM, .NET, and ODBC Services. If you install ColdFusion 8 in Mac OS® X, to use Verity you must install the stand-alone version of Verity on a computer running a supported operating system, and then configure the K2 Server page in the ColdFusion Administrator. AIX support is provided for WebSphere application server only. Functionality provided by platform-specific binary files. is not available on AIX. Additionally, you can install and deploy the all-Java ColdFusion J2EE configuration on other platforms, although without the functionality provided by platform-specific binary files (C++ CFXs).

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29
ADOBE COLDFUSION 8
Installing and Using ColdFusion
Note:
Each web application running in a server instance must have a unique context root. The JRun default web
application uses / for a context root, so if you want to use / for the ColdFusion context root when you deploy on JRun,
you must either delete the default-war application or change the default-war context root by editing the default-
ear/META-INF/application.xml file.
Multiple instances
When you use the J2EE configuration, you can define multiple server instances on a single computer, each
running ColdFusion. Running multiple instances of ColdFusion has the following advantages:
Application isolation
You deploy an independent application to each server instance. Each server instance has
separate settings, and because each server instance runs in its own instance of the JVM, problems encountered by
one application have no effect on other applications.
Load balancing and failover
You deploy the same application to each server instance and add the instances to a
cluster. The web server connector optimizes performance and stability by automatically balancing load and by
switching requests to another server instance when a server instance stops running.
For more information on configuring ColdFusion on multiple server instances, including detailed information
for configuring multiple server instances when running on JRun 4, see
Configuring and Administering ColdFusion
.
The multiserver configuration provides the instance manager to make configuring ColdFusion on multiple
servers easier; however, you can also configure ColdFusion on multiple servers manually by deploying EAR files
and WAR files on multiple server instances.
Platforms
Full ColdFusion functionality is available for Windows, Macintosh, Linux, and Solaris, except that the following
are Windows-specific: COM, .NET, and ODBC Services. If you install ColdFusion 8 in Mac OS® X, to use Verity
you must install the stand-alone version of Verity on a computer running a supported operating system, and then
configure the K2 Server page in the ColdFusion Administrator. AIX support is provided for WebSphere appli-
cation server only. Functionality provided by platform-specific binary files. is not available on AIX. Additionally,
you can install and deploy the all-Java ColdFusion J2EE configuration on other platforms, although without the
functionality provided by platform-specific binary files (C++ CFXs).