Can you install "java-1.8.0-openjdk-devel" on your server so that javac-1.8
is also installed?
I suspect that Jenkins and Maven get tricked by the fact that your default
"java" installation doesn't have a "javac" compiler.
If you cannot install "java-1.8.0-openjdk-devel", I strongly recommend to
rely on Jenkins' capability to install a JDK:
- In Jenkins UI, with Jenkins administrator privileges, navigate to
"Manage Jenkins / Global Tools Installer"
- In the "JDK" section, click on "JDK Installations..." then "Add JDK"
- Choose the name "1.8"
- Select a JDK 8 version (e.g. "Java SE Development Kit 8u162")
- Enter oracle.com credentials
- Update your pipeline script and add "jdk: '1.8' "to your "withMaven"()
step: "withMaven(jdk: 1.8', ...){...}"
Cyrille
On Monday, February 19, 2018 at 11:29:09 AM UTC+1, Fábio Cabrita wrote:
>
> Here are both command paths:
>
> root@jenkins-server /h/jenkins> which java
> /bin/java
> root@jenkins-server /h/jenkins> which javac
> /bin/javac
>
> While checking mvn, I notice that Java home is set to JRE instead of JDK:
>
> [jenkins@jenkins-server ~]$ mvn --version
> Apache Maven 3.5.2 (138edd61fd100ec658bfa2d307c43b76940a5d7d; 2017-10-
> 18T08:58:13+01:00)
> Maven home: /usr/local/maven
> Java version: 1.8.0_161, vendor: Oracle Corporation
> Java home: /usr/lib/jvm/java-1.8.0-openjdk-1.8.0.161-0.b14.el7_4.x86_64/
> jre
> Default locale: en_US, platform encoding: UTF-8
> OS name: "linux", version: "3.10.0-693.17.1.el7.x86_64", arch: "amd64",
> family: "unix"
>
> Checking Java version:
>
> [jenkins@jenkins-server ~]$ java -version
> openjdk version "1.8.0_161"
> OpenJDK Runtime Environment (build 1.8.0_161-b14)
> OpenJDK 64-Bit Server VM (build 25.161-b14, mixed mode)
>
> In this system I have several Java's versions installed in this system:
>
> [root@jenkins-server ~]# sudo update-alternatives --config java
>
> There are 2 programs which provide 'java'.
>
> Selection Command
> -----------------------------------------------
> *+ 1 java-1.8.0-openjdk.x86_64 (/usr/lib/jvm/java-1.8.0-openjdk-
> 1.8.0.161-0.b14.el7_4.x86_64/jre/bin/java)
> 2 java-1.7.0-openjdk.x86_64 (/usr/lib/jvm/java-1.7.0-openjdk-
> 1.7.0.161-2.6.12.0.el7_4.x86_64/jre/bin/java)
>
> [root@jenkins-server ~]# sudo update-alternatives --config javac
>
> There is 1 program that provides 'javac'.
>
> Selection Command
> -----------------------------------------------
> *+ 1 java-1.7.0-openjdk.x86_64 (/usr/lib/jvm/java-1.7.0-openjdk-1.7.0.161-
> 2.6.12.0.el7_4.x86_64/bin/javac)
>
> But dont know how to set mavens to use java JDK.
>
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