Hi Pierre, I'm facing the same issue with killbill-cloud. here is a snippet of the log
{"@timestamp":"2022-06-29T08:45:36.439Z","message":"Killbill lifecycle firing stage
INIT_PLUGIN","logger_name":"org.killbill.billing.lifecycle.DefaultLifecycle","thread_name":"localhost-startStop-1","level":"INFO"}
{"@timestamp":"2022-06-29T08:45:36.440Z","message":"Killbill lifecycle calling handler initialize for service osgi-service","logger_name":"org.killbill.billing.lifecycle.DefaultLifecycle","thread_name":"localhost-startStop-1","level":"INFO"}
{"@timestamp":"2022-06-29T08:45:36.663Z","message":"Unable to find the JRuby bundle at /var/lib/killbill/bundles/platform/jruby.jar, ruby plugins won't be started!","logger_name":"org.killbill.billing.osgi.JRubyJarHelper","thread_name":"localhost-startStop-1","level":"WARN"}
{"@timestamp":"2022-06-29T08:45:36.664Z","message":"Installing Java OSGI bundle from /var/lib/killbill/bundles/platform/killbill-platform-osgi-bundles-jruby-0.40.12.jar","logger_name":"org.killbill.billing.osgi.FileInstall","thread_name":"localhost-startStop-1","level":"INFO"}
...
var/lib/killbill/bundles/platform/killbill-platform-osgi-bundles-jruby-0.40.12.jar","logger_name":"org.killbill.billing.osgi.FileInstall","thread_name":"localhost-startStop-1","level":"INFO"}
{"@timestamp":"2022-06-29T08:45:36.739Z","message":"Error while parsing plugin configurations","logger_name":"org.killbill.billing.osgi.FileInstall","thread_name":"localhost-startStop-1","level":"ERROR","stack_trace":"org.osgi.framework.BundleException: Duplicate import: org.joda.time.format\n\tat org.apache.felix.framework.util.manifestparser.ManifestParser.normalizeImportClauses(ManifestParser.java:366)\n\tat org.apache.felix.framework.util.manifestparser.ManifestParser.<init>(ManifestParser.java:180)\n\tat org.apache.felix.framework.BundleRevisionImpl.<init>(BundleRevisionImpl.java:121)\n\tat org.apache.felix.framework.BundleImpl.createRevision(BundleImpl.java:1243)\n\tat org.apache.felix.framework.BundleImpl.<init>(BundleImpl.java:112)\n\tat org.apache.felix.framework.Felix.installBundle(Felix.java:2907)\n\tat org.apache.felix.framework.BundleContextImpl.installBundle(BundleContextImpl.java:165)\n\tat org.apache.felix.framework.BundleContextImpl.installBundle(BundleContextImpl.java:138)\n\tat org.killbill.billing.osgi.FileInstall.installOSGIBundle(FileInstall.java:151)\n\tat org.killbill.billing.osgi.FileInstall.installAllOSGIBundles(FileInstall.java:142)\n\tat org.killbill.billing.osgi.FileInstall.installBundles(FileInstall.java:91)\n\tat org.killbill.billing.osgi.BundleRegistry.installBundles(BundleRegistry.java:65)\n\tat org.killbill.billing.osgi.DefaultOSGIService.initialize(DefaultOSGIService.java:94)\n\tat sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)\n\tat sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)\n\tat sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)\n\tat java.lang.reflect.Method.invoke(Method.java:498)\n\tat org.killbill.billing.lifecycle.DefaultLifecycle.doFireStage(DefaultLifecycle.java:154)\n\tat org.killbill.billing.lifecycle.DefaultLifecycle.fireSequence(DefaultLifecycle.java:141)\n\tat org.killbill.billing.lifecycle.DefaultLifecycle.fireStartupSequencePriorEventRegistration(DefaultLifecycle.java:82)\n\tat org.killbill.billing.server.listeners.KillbillPlatformGuiceListener.startLifecycle(KillbillPlatformGuiceListener.java:299)\n\tat org.killbill.billing.server.listeners.KillbillPlatformGuiceListener.contextInitialized(KillbillPlatformGuiceListener.java:129)\n\tat org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4763)\n\tat org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5232)\n\tat org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)\n\tat org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:753)\n\tat org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:727)\n\tat org.apache.catalina.core.StandardHost.addChild(StandardHost.java:695)\n\tat org.apache.catalina.startup.HostConfig.deployDirectory(HostConfig.java:1177)\n\tat org.apache.catalina.startup.HostConfig$DeployDirectory.run(HostConfig.java:1925)\n\tat java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)\n\tat java.util.concurrent.FutureTask.run(FutureTask.java:266)\n\tat java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)\n\tat java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)\n\tat java.lang.Thread.run(Thread.java:748)\n"}
thanks