Java - 6.2

Talend Open Studio for Data Integration Installation and Upgrade Guide for Windows

Talend Open Studio for Data Integration
Installation and Upgrade
Talend Studio

In order to use your Talend product, Java must be installed on your machine. If you install your Talend Studio using the Talend Studio Installer, you do not need to set up a Java Environment as it is embedded in the Installer.

These pages list:

Compatible Java environments


In the following documentation:

  • recommended: designates an environment recommended by Talend based on our experiences and customer usage;

  • supported: designates a supported environment for use with the listed component or service;

  • supported with limitations: designates an environment that is supported by Talend but with certain conditions explained in notes.

The information contained in the following table is applicable for the 6.2.2 version of your Talend product at the time of its release. For updated information on the latest supported software or databases, see this page.

These tables provide a summary of the supported Java Runtime environments.

In this table:

  • (R) means that this combination is recommended;

  • means that this combination is supported;

  • means that this combination is not supported.

The Compiler Compliance Level corresponds to the Java version used for the Job code generation. This option can be changed in the Studio preferences. For more information, see Talend Studio User Guide.

Table 5. Studio Java environments

Support Type

JRE Version

Studio JDK Compiler Compliance Level


Oracle 8

1.7 (default)


Oracle 8


Depending on the licence you have, the available Execution Servers may differ.

Table 6. Server Java environments

JRE Version


MDM Server

ESB/Talend Runtime


Big Data Distributions

Talend Server Applications1


Oracle 7 (running alongside Oracle 8)

Compatible with Java 1.7 only

Compatible with Studio JDK Compiler Compliance Level 1.7 only

Oracle 8





Compatible with Java 1.8


Compatible with Studio JDK Compiler Compliance Level 1.7 (default/recommended) or 1.8

For example, the recommended combination is:

  • Oracle 8 installed on the machine running the Studio;

  • 1.7 set in the Compiler Compliance Level preferences of the Studio;

  • Oracle 8 installed on the machine(s) running the Execution Server(s) and the Talend Server Application(s);

  • Big Data Distributions compatible with Java 1.8 used.

For more information on Java specificities (version, Operating Systems compatibility), see the Knowledge Base articles on Talend Help Center.

Setting up JAVA_HOME

In order for your Talend product to use the Java environment installed on your machine, you must set the JAVA_HOME environment variable.

To do so, proceed as follows:

  1. Find the folder where Java is installed, usually C:\Program Files\Java\JREx.x.x.

  2. Open the Start menu and type Environment variable in the search bar to open the Environment variable properties.

  3. Click Environment Variables....

  4. Under System Variables, click New... to create a variable. Name the variable JAVA_HOME, enter the path to the Java 8 JRE, and click OK.

  5. Under System Variables, select the Path variable, click Edit... and add the following variable at the end of the Path variable value: