[BUILD-FAILURE]: Job 'Karaf/karaf-runtime/main [main] [501]'

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BUILD-FAILURE: Job 'Karaf/karaf-runtime/main [main] [501]':
Check console output at "<a 
href="https://ci-builds.apache.org/job/Karaf/job/karaf-runtime/job/main/501/";>Karaf/karaf-runtime/main
 [main] [501]</a>"