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

  • As all WSO2 Carbon-based products are Java applications, it is generally possible to run them on most operating systems. These include Windows, Linux, Solaris, Ubuntu, Fedora, Mac OS X, Gentoo, SUSE, Debian etc. with a JDK 1.6.x runtime.
  • However, Linux/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, PostgreSQL.

Supporting applications

The following applications may be required for running the ESB. For details on installing these applications, see the installation section for Linux, Solaris, or Windows.





Java SE Development Kit (JDK)

  • 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 higher

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 higher

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

  • To compile and run the sample clients.

1.7.0 or later

Required by all WSO2 products to run product samples

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.

3.0.3 or later

Required by all WSO2 products when installing from 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, it is not allowed to go below the medium security level in Internet Explorer 6.x.


Required by all WSO2 products

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