Jenkins failed to find a valid Java installation

1. What is the compatible Java version for Jenkins?
2. How to provide JDK path in Jenkins?
3. Do I need to install Java for Jenkins?
4. How to set Java_home for Jenkins?
5. Is Java 8 compatible with Jenkins?
6. Is Jenkins not compatible with Java 8?
7. Does Jenkins use Java 8 or 11?
8. How to run Jenkins with Java 17?
9. How to install Java 17 on Jenkins?
10. How do I install Java JDK?
11. Does Jenkins need JDK or JRE?
12. Is Java 11 and 17 the same?
13. What is the JDK version for Java 17?

What is the compatible Java version for Jenkins?

Jenkins requires Java 11 or 17 since Jenkins 2.357 and LTS 2.361. 1. Read more about this in the announcement blog post.

How to provide JDK path in Jenkins?

You can add a JDK version by navigating to Jenkins -> Manage Jenkins -> Global Tool Configuration. The global tool configuration menu will open the following window: Next, click the JDK Installations” button under the JDK section to configure multiple JDK versions.

Do I need to install Java for Jenkins?

Java needs to be installed and configured on the server on which you want to configure Jenkins. OpenJDK is preferred with Jenkins, but you can also use any other version of Java.

How to set Java_home for Jenkins?

Go to Manage Jenkins – Configure System, to the Global properties section and enable Environment variables. Add an environment variable for JAVA_HOME and fill the path with /var/jenkins_home/tools/hudson.

Is Java 8 compatible with Jenkins?

3 is the most recent Jenkins LTS. It supports Java 8. The Jenkins 2.361. 1 LTS that is scheduled to release Sep 7, 2022 will not support Java 8.

Is Jenkins not compatible with Java 8?

The next Jenkins LTS baseline (expected to release in September 2022) will require Java 11 or Java 17. It will not support Java 8. When upgrading across multiple versions, be sure that you read and heed the instructions in the upgrade guides for the intervening releases.

Does Jenkins use Java 8 or 11?

Beginning with Jenkins 2.357 (released on June 28, 2022) and the forthcoming 2.361. 1 LTS release, Jenkins requires Java 11 or newer on both the controller JVM (i.e., the JVM running jenkins. war ) and agent JVMs (i.e., JVMs running remoting. jar ).

How to run Jenkins with Java 17?

Open Command prompt and go to the directory where Jenkins is installed. Here, the option --enable-future-java, is used to start Jenkins with Java 17. As you can see, Jenkins is now up and running. Next, you can open your browser and go to http://localhost:8080 or the port number that you provided for Jenkins.

How to install Java 17 on Jenkins?

First approach is to use the command prompt. Open Command prompt and go to the directory where Jenkins is installed. Here, the option --enable-future-java, is used to start Jenkins with Java 17. As you can see, Jenkins is now up and running.

How do I install Java JDK?

Running the JDK Installer

To run the JDK installer: Start the JDK 13 installer by double-clicking the installer's icon or file name in the download location. Follow the instructions provided by the Installation wizard. After the installation is complete, delete the downloaded file to recover the disk space.

Does Jenkins need JDK or JRE?

You can use any jdk ( 1.5+ 1.7+ for 1.608+) you want for Jenkins: this is separate from the JDK that a job would use (either a job running on the master, or on a slave).

Is Java 11 and 17 the same?

While migrating from java 11 to java 17 will allow us to have up-to-date language features which build the apps more portable. Java 17 support the long term, java 11 also support the long term. Java 11 contains support up to Sept 2023 and it will also contain extended support up to Sept 2026.

What is the JDK version for Java 17?

Java™ SE Development Kit 17.0. 6 (JDK 17.0. 6) The full version string for this update release is 17.0.