Amit Mondal created FELIX-6501:
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Summary: ConcurrentModificationException during multiple reference
field injection
Key: FELIX-6501
URL: https://issues.apache.org/jira/browse/FELIX-6501
Project: Felix
Issue Type: Bug
Components: Declarative Services (SCR)
Affects Versions: scr-2.1.30
Reporter: Amit Mondal
java.util.ConcurrentModificationException
at java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1211)
at java.util.TreeMap$ValueIterator.next(TreeMap.java:1256)
at
org.apache.felix.scr.impl.inject.field.FieldHandler.getReplaceCollection(FieldHandler.java:167)
at
org.apache.felix.scr.impl.inject.field.FieldHandler.updateField(FieldHandler.java:241)
at
org.apache.felix.scr.impl.inject.field.FieldHandler.access$400(FieldHandler.java:50)
at
org.apache.felix.scr.impl.inject.field.FieldHandler$Resolved.invoke(FieldHandler.java:431)
at
org.apache.felix.scr.impl.inject.field.FieldHandler$ReferenceMethodImpl.invoke(FieldHandler.java:501)
at
org.apache.felix.scr.impl.manager.DependencyManager.doInvokeBindMethod(DependencyManager.java:2083)
at
org.apache.felix.scr.impl.manager.DependencyManager.invokeBindMethod(DependencyManager.java:2058)
at
org.apache.felix.scr.impl.manager.SingleComponentManager.invokeBindMethod(SingleComponentManager.java:443)
at
org.apache.felix.scr.impl.manager.DependencyManager$MultipleDynamicCustomizer.addedService(DependencyManager.java:333)
at
org.apache.felix.scr.impl.manager.DependencyManager$MultipleDynamicCustomizer.addedService(DependencyManager.java:301)
at
org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1200)
at
org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.customizerAdded(ServiceTracker.java:1121)
at
org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.trackAdding(ServiceTracker.java:928)
at
org.apache.felix.scr.impl.manager.ServiceTracker$AbstractTracked.track(ServiceTracker.java:864)
at
org.apache.felix.scr.impl.manager.ServiceTracker$Tracked.serviceChanged(ServiceTracker.java:1152)
at
org.apache.felix.scr.impl.BundleComponentActivator$ListenerInfo.serviceChanged(BundleComponentActivator.java:114)
at
org.apache.felix.framework.EventDispatcher.invokeServiceListenerCallback(EventDispatcher.java:990)
at
org.apache.felix.framework.EventDispatcher.fireEventImmediately(EventDispatcher.java:838)
at
org.apache.felix.framework.EventDispatcher.fireServiceEvent(EventDispatcher.java:545)
at org.apache.felix.framework.Felix.fireServiceEvent(Felix.java:4833)
at org.apache.felix.framework.Felix.registerService(Felix.java:3804)
at
org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:328)
at
org.apache.felix.framework.BundleContextImpl.registerService(BundleContextImpl.java:302)
at
org.eclipse.smarthome.core.thing.binding.BaseThingHandlerFactory.registerAsService(BaseThingHandlerFactory.java:293)
at
org.eclipse.smarthome.core.thing.binding.BaseThingHandlerFactory.registerFirmwareUpdateHandler(BaseThingHandlerFactory.java:284)
at
org.eclipse.smarthome.core.thing.binding.BaseThingHandlerFactory.registerHandler(BaseThingHandlerFactory.java:151)
at
org.eclipse.smarthome.core.thing.internal.ThingManagerImpl.doRegisterHandler(ThingManagerImpl.java:633)
at
org.eclipse.smarthome.core.thing.internal.ThingManagerImpl.registerHandler(ThingManagerImpl.java:614)
at
org.eclipse.smarthome.core.thing.internal.ThingManagerImpl.registerAndInitializeHandler(ThingManagerImpl.java:1080)
at
org.eclipse.smarthome.core.thing.internal.ThingManagerImpl.lambda$registerChildHandlers$1(ThingManagerImpl.java:656)
at
com.qivicon.runtime.executors.impl.ScheduledExecutorServiceImpl$NamedRunnable.run(ScheduledExecutorServiceImpl.java:80)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at java.lang.Thread.run(Thread.java:748)
This is found in {*}2.1.30{*}, however, the bug exists also in *2.2.0-RC1* even
though the '{*}FileHandler{*}' class has been changed. If we trace back the
method ('{*}getReplaceCollection{*}(..)') from the stacktrace in both versions,
the implementation remained same, hence, prone to
'{*}ConcurrentModificationException{*}'
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