Changing Gateway Java Version

You can change the Java version that the Gateway Service is using by editing the Ignition configuration ignition.conf file. Go to the Status page, and select the Systems > Overview section of the Gateway to view the current Java version you are running.

To Change the Java Version

Here is how you can change the current Java version:

  1. Go to Program Files > Inductive automation > Ignition > data and find the ignition.conf file.

  2. Open the ignition.conf file and scroll down to the wrapper Java Properties section.

  3. Find the line of code that starts with the following:
    wrapper.java.command=

  4. Change the path to the new location of your java.exe file. If you are not sure where you have java installed, you can search your computer for "java.exe"
    For example, if you see this:wrapper.java.command=C:/Program Files/Java64/bin/java.exebut your java is in the jre8 folder, then you can change it to:wrapper.java.command=C:/Program Files/Java/jre8/bin/java.exe

  5. Save the ignition.conf file.

  6. Launch the Gateway Control Utility (GCU) and click Restart to start the Service again.

After Ignition is restarted, you can verify that the Java version is updated by going back to the Status page, selecting Systems > Overview to see the Java Version you are now running.

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