This documentation is for WSO2 Enterprise Service Bus version 4.7.0 . View documentation for the latest release.
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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


  • 1 GB minimum
  • A heap size of around 512MB is generally sufficient to process typical SOAP messages
  • Requirements may vary with larger message sizes and on the number of messages processed concurrently
  • Pentium 800MHz or equivalent at minimum ( Dual core or above processor is recommended for production deployments


  • Approximately 250 MB, excluding space allocated for log files and Databases.

Environment compatibility

Operating Systems / Databases

  • Because all WSO2 Carbon-based products are Java applications, it is possible to run them on most operating systems. These include Windows, Solaris, Linux/UNIX (including SUSE, Ubuntu, Fedora, Gentoo, Debian, Mac OS, etc.) with JDK 1.6.x or later.
  • Linux and Solaris are recommended for a production deployment.
  • All WSO2 Carbon-based products are generally compatible with most-common DBMSs such as MySQL, MS SQL Server, Oracle, H2, DB2, Derby, and PostgreSQL.

Supporting applications

The following applications are required for running the ESB and its samples or for building from the source code. For details on installing these applications, see the installation section for Linux, Solaris, or Windows.





Installation Instructions

Java SE Development Kit (JDK)

1.6.24 or later

Required by all WSO2 products

Apache ActiveMQ
JMS Provider

  • To enable the product's JMS transport and try out JMS samples. The ActiveMQ client libraries must be installed in the product's classpath before you can enable the JMS transport.

5.5.0 or later

If you use any other JMS provider (e.g. Apache Qpid), install any necessary libraries and/or components.

Currently needed by WSO2 ESB to run its JMS samples

Apache Ant

1.7.0 or later

Required by all WSO2 products to run product samples

SVN Client

Can be downloaded from:

Required when building a WSO2 product from the source distribution instead of installing the binary distributionRefer to the SVN client documentation.

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.

Required when building a WSO2 product from the source distribution instead of installing the binary distribution

Web Browser

  • To access the 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.


Required by all WSO2 products

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