An installation of Oracle Java putting its path before your JAVA_HOME, or.You changed JAVA_HOME points to a newer JDK/JRE, but Eclipse still runs under the old one. So changing the Java version that run Eclipse is just a matter of updating the value of the JAVA_HOME variable.However, sometimes it doesn’t work like that. Consider a typical value of the PATHenvironment variable like this: path1 path2 path3 … %JAVA_HOME%in In this case, the Java Virtual Machine found in the JAVA_HOME path will run Eclipse IDE. By default, the first instance of JDK/JRE found in the PATHenvironment variable is used to run Eclipse. How to Change JDK / JRE for EclipseYou know, Eclipse IDE is written in Java so it needs a JDK/JRE installed to run.

In the above screenshot, you see Eclipse is running on OpenJDK 11.0.2.Ģ. Wait for a moment while Eclipse is retrieving configuration information, and you will see a screen as below: Find the line that starts with –vm and the value in the next line shows the exact path of JDK/JRE on which Eclipse is running.

Then in the next screen, click Configuration tab. Then in the About Eclipse IDE dialog, click the Installation Details button. Find the JDK / JRE that runs EclipseIn Eclipse, click menu Help > About Eclipse IDE.

First, you need to know exactly which version of Java on which Eclipse is running. In this article, I will guide you how to change JDK/JRE that runs Eclipse IDE, on Windows operating system.

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