Try to execute "java -version". If it doesn't report JDK 11, then you need to set it using alternatives:

https://github.com/oVirt/ovirt-engine/blob/master/README.adoc#prepare-your-dev-envrionment-for-java-11

On Tue, Oct 29, 2019 at 7:33 AM Kaustav Majumder <kmajumde@redhat.com> wrote:

yes have done that
 echo $JAVA_HOME
/usr/lib/jvm/java-11-openjdk-11.0.4.11-0.fc29.x86_64/

On Tue, Oct 29, 2019 at 12:01 PM Benny Zlotnik <bzlotnik@redhat.com> wrote:

Did you set JAVA_HOME to point to java 11 jdk?


On Tue, Oct 29, 2019 at 5:43 AM Kaustav Majumder <kmajumde@redhat.com> wrote:
>
> Hi,
> I am currently facing this error while building ovirt-engine master (commit da774d861d5a593666932f6e678f5383222ed8d5) on fedora 29.
>
> [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.8.0:compile (default-compile) on project ovirt-checkstyle-extension: Fatal error compiling: invalid flag: --release -> [Help 1]
>
> full build log here: https://pastebin.com/rJA5PHWu
> --
>
> Thanks,
>
> Kaustav Majumder
>
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--

Thanks,

Kaustav Majumder

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--

Martin Perina
Manager, Software Engineering
Red Hat Czech s.r.o.