Sunday, November 29, 2020

How to fix Jenkins Error | Incorrect Java 11 version

You may have this issue when trying to install Jenkins with default JDK version(Java 11) in Ubuntu 18.0.4. We need to fix by installing JDK 8.

Remove Jenkins first.

sudo apt-get remove jenkins -y
 

Install Java 8 version

sudo apt-get install openjdk-8-jdk -y


Now choose which version to select from both Java 11 and Java 8 
sudo update-alternatives --config java
type 2 to choose Java 8 version.

Check Java version after setting:

Install Jenkins

sudo apt-get install jenkins -y
Now try to access Jenkins in the browser.

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