This documentation is for WSO2 Stream Processor 4.4.0 (the latest version of WSO2 SP. View documentation for the Streaming Integrator, the successor of WSO2 SP.

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Prior to installing any WSO2 SP, 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

CPUYou require a minimum of one CPU with 2 cores.


  • ~ 4 GB minimum is recommended.
  • ~ 2 GB heap size.

2 GB is the initial heap (-Xms)  required for the server startup. The maximum heap size is 4 GB (-Xmx)


  • ~ 1 GB minimum (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 Oracle JDK 1.8* or OpenJDK compliant.
  • All WSO2 products are generally compatible with most common DBMSs. For more information, see Working with Databases.

  • It is not recommended to use Apache DS in a production environment due to issues with scalability. Instead, it is recommended to use an LDAP like OpenLDAP for user management.

  • For environments that WSO2 products are tested with, see Compatibility of WSO2 Products.
  • If you have difficulty in setting up any WSO2 product in a specific platform or database, please contact us.

Required applications

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




Download Links

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.


To launch WSO2 SP, you need to have JDK 1.8.*. You cannot launch WSO2 SP with JDK 1.7.* or lower.


Do not use JDK1.8.0_151 due to a known issue. This issue is fixed in JDK 1.8.0_162-ea. However, use JDK 1.8.0_144 until the latter mentioned version is released.


Oracle JDK

JDBC-compliant Connector for JavaRequired as a standardized database driver for Java platforms and development.1.7.0 or laterMySQL Connectors

Apache Ant

To compile and run the product samples .

1.7.0 or later

Apache Ant

Required to check out the source from the Git repository.

1.9.0 or later


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.

Apache Maven

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

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