[KARAF-6813] Warning while starting cellar bundle activator

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: cellar-4.2.0
• Fix Version/s: cellar-4.2.1
• Component/s: cellar
• Assignee: Jean-Baptiste Onofré
• Reporter: Jean-Baptiste Onofré
• Created: 16/Aug/20 07:03
• Updated: 23/Mar/21 18:16
• Resolved: 16/Aug/20 15:05

Description

The following warn happens while starting cellar-bundle bundle:

09:01:07.353 WARN [activator-1-thread-4] Error starting activator
java.lang.UnsupportedOperationException: null
        at java.util.AbstractCollection.add(AbstractCollection.java:262) ~[?:1.8.0_241]
        at org.apache.karaf.cellar.hazelcast.HazelcastGroupManager.listGroups(HazelcastGroupManager.java:351) ~[!/:?]
        at org.apache.karaf.cellar.hazelcast.HazelcastGroupManager.listGroups(HazelcastGroupManager.java:380) ~[!/:?]
        at org.apache.karaf.cellar.hazelcast.HazelcastGroupManager.listLocalGroups(HazelcastGroupManager.java:297) ~[!/:?]
        at org.apache.karaf.cellar.bundle.BundleSynchronizer.init(BundleSynchronizer.java:62) ~[!/:?]
        at org.apache.karaf.cellar.bundle.internal.osgi.Activator.doStart(Activator.java:109) ~[!/:?]
        at org.apache.karaf.util.tracker.BaseActivator.run(BaseActivator.java:312) [!/:?]
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_241]
        at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_241]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_241]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_241]
        at java.lang.Thread.run(Thread.java:748) [?:1.8.0_241]