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Do I need Java for Jenkins?

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Do I need Java for Jenkins?

Update 2017: After “Jenkins Upgrades To Java 8 (January)” and PR 2802, JDK 8 will be mandatory for Jenkins 2.54 or more (April 2017). 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).

Does Jenkins install Java?

Installing Jenkins Install Java. The current version of Jenkins does not support Java 10 (and Java 11) yet. If you have multiple versions of Java installed on your machine make sure Java 8 is the default Java version .

What are the basic requirements for installing Jenkins?

Prerequisites

  • 256 MB of RAM.
  • 1 GB of drive space (although 10 GB is a recommended minimum if running Jenkins as a Docker container)
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Can Jenkins run on Java 11?

We are thrilled to announce full support for Java 11 in Jenkins starting from Jenkins 2.164 (released on Feb 10, 2019) and LTS 2.164. This means you can now run your Jenkins controllers and agents with a Java 11 JVM.

Does Jenkins support Java 10?

Jenkins agents are able to start on Java 10, to connect to the controller and to execute Freestyle jobs. Agents can be connected using Docker Plugin and Yet Another Docker Plugin.

How configure Java in Jenkins?

Below are the steps to be followed in order to configure the JDK in Jenkins :

  1. Deploy the Jenkins.
  2. From the home page, click on the link Manage Jenkins and click on Configure System as shown below :
  3. From the next page, click on “Add JDK”.
  4. JDK can also be installed by intimating Jenkins to do the task.

Does Jenkins support Java 11?

We are thrilled to announce full support for Java 11 in Jenkins starting from Jenkins 2.164 (released on Feb 10, 2019) and LTS 2.164. This means you can now run your Jenkins controllers and agents with a Java 11 JVM. Starting in June 2018, many events were organized to improve Jenkins code base and add Java 11 support.

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Does Jenkins support Java 15?

3 Answers. From the Jenkins site here, it says versions older than Java 8 are not supported. However, there seem to be a workaround on using OpenJdk 12 with Jenkins 2.121.

How do I set Java version in Jenkins?

Where do I set Java version in Jenkins?

10 Answers. There is a JDK dropdown in “job name” -> Configure in Jenkins web ui. It will list all JDKs available in Jenkins configuration.

Is Jenkins compatible with Java 11?

How to install Jenkins in Java?

Since Jenkins is a Java based application, therefore Java is a must. To download the Java Click here. Select file according to your platform. Then install the Java as follows: This war is required to install Jenkins.

What version of JRE/JDK is supported by Jenkins?

Generally, Jenkins allows ANY version of JRE/JDK to be invoked during the build. It includes: Execution of Java commands from CLI Installation and execution of build steps using JDK managed by JDK tool installers In the case of particular plugins, there are still Java requirements:

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What are the mimimim requirements for Jenkins setup?

Following are the two mimimim requirements for Jenkins setup. Java is a primary requirement for Jenkins as it is a java based application. git is not a mandatory requirement. However, most of your Jenkins operations will be based on git.

How do I change the default JVM version in Jenkins?

Make sure the default JVM is the newly installed version. If it is not, use the correct java command in the Jenkins startup scripts ( /etc/default/jenkins or /etc/init.d/jenkins ). If you use Docker containers to run Jenkins, you should follow the same process and change the Java version by appending -jdk11 to the Docker image tag.