Installation Prerequisites

Prior to installing any WSO2 Carbon-based product, it is necessary to have the appropriate prerequisite software installed on your system. Verify that the computer has the supported operating system and development platforms before starting the installation.

System requirements

Memory	~ 2 GB minimum ~ 512 MB heap size. This is generally sufficient to process typical SOAP messages but the requirements vary with larger message sizes and the number of messages processed concurrently.
Disk	~ 180 MB, excluding space allocated for log files and databases.

Environment compatibility

Operating Systems / Databases

All WSO2 Carbon-based products are Java applications that can be run on any platform that is JDK 1.6.*/1.7.* compliant.
All WSO2 Carbon-based products are generally compatible with most common DBMSs.

Required applications

The following applications are required for running the ESB and its samples or for building from the source code. Mandatory installs are marked with *.

Application	Purpose	Version	Download Links
Oracle Java SE Development Kit (JDK)*	Required by all WSO2 products to: To launch the product as each product is a Java application. To build the product from the source distribution (both JDK and Apache Maven are required). To run Apache Ant.	1.6.24 or later / 1.7.* If you are using JDK 1.6, you might need to install Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy files to avoid "illegal key size" errors when you try to invoke a secured web service. If you want to build the product from the source distribution, you must use JDK 1.6 instead of JDK 1.7.	http://java.sun.com/javase/downloads/index.jsp
Apache Ant	Required by all WSO2 products to compile and run the product samples.	1.7.0 or later	http://ant.apache.org
SVN Client	To check out the code to build the product from the source distribution. If you are installing by downloading and extracting the binary distribution instead of building from the source code, you do not need to install SVN.		Linux - http://subversion.apache.org/packages.html Windows - http://tortoisesvn.net/downloads.html
Apache Maven	To build the product from the source distribution (both JDK and Apache Maven are required). If you are installing by downloading and extracting the binary distribution instead of building from the source code, you do not need to install Maven.	3.0.x	http://maven.apache.org
Web Browser	Required by all WSO2 products to access each product's Management Console. The Web Browser must be JavaScript enabled to take full advantage of the Management console. NOTE: On Windows Server 2003, you must not go below the medium security level in Internet Explorer 6.x.

You are now ready to install WSO2 ESB. Click one of the following links for instructions: