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Editorial Team
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Asked: 2026-05-27T12:49:59+00:00

I have a Jenkins Slave (A Windows PC) which has the JAVA_HOME environment variable.

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I have a Jenkins Slave (A Windows PC) which has the JAVA_HOME environment variable. I updated the Java version on the Slave so I also updated the Environment Variable.

When I look at the system properties of this Slave via Jenkins web interface the JAVA_HOME property is reported as the old one.

Running echo %PATH% on the Windows PC shows the correct values.
Running println System.getenv("PATH") on the Jenkins Node script console for the Slave shows the old JAVA_HOME value.

I have tried to delete and add the Slave again and restarted Jenkins server. Still the old value is not updated.

Any thoughts?

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1 Answer

  1. Editorial Team

    Hudson/Jenkins does not use the slave environment variables as it supports multiple java versions so you configure the java home environment variables in the GUI.

    What you need to do is go to Manage Hudson/Jenkins then choose Manage Nodes. Choose the Node you want to configure from the list and then choose Configure. Down the bottom there’s a Node Properties section. Check the Tool Locations checkbox. Click on Add then Select your JDK in the dropdown list and add the new path to it.

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