Build sample project

mvn install

Setup Apache Karaf

1. Add org.graalvm.polyglot into org.osgi.framework.system.packages.extra in the ${KARAF_HOME}/etc/config.properties
2. Set GraalVM 8 or 11 as a default JDK export JAVA_HOME=/path/to/graalvm
3. Start Karaf ${KARAF_HOME}/bin/karaf
4. Verify that org.graalvm.polyglot is exported

karaf@root()> package:exports
...
org.graalvm.polyglot │ 0.0.0       │ 0  │ org.apache.felix.framework
...

Activate the sample bundle

karaf@root()> feature:repo-add mvn:org.graalvm/polyglot-command-features/LATEST/xml
karaf@root()> feature:install org-graalvm-polyglot-command

Execute command provided by sample bundle

karaf@root()> polyglot:eval 1+3
Evaluating `1+3` in js
Result: 4