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ASF GitHub Bot logged work on ARTEMIS-3509: ------------------------------------------- Author: ASF GitHub Bot Created on: 11/Feb/22 14:53 Start Date: 11/Feb/22 14:53 Worklog Time Spent: 10m Work Description: BBE78 opened a new pull request #3952: URL: https://github.com/apache/activemq-artemis/pull/3952 Concurrent modifications happened sometimes on non synchronized methods that use "refsToAck" list -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: gitbox-unsubscr...@activemq.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org Issue Time Tracking ------------------- Worklog Id: (was: 725189) Remaining Estimate: 0h Time Spent: 10m > STOMP Websocket client disconnected after ConcurrentModificationException in > Broker > ----------------------------------------------------------------------------------- > > Key: ARTEMIS-3509 > URL: https://issues.apache.org/jira/browse/ARTEMIS-3509 > Project: ActiveMQ Artemis > Issue Type: Bug > Components: Broker > Affects Versions: 2.16.0 > Reporter: Elodie Vandromme > Priority: Major > Time Spent: 10m > Remaining Estimate: 0h > > Web clients connected through WebSocket are randomly disconnected from > artemis broker without notification of the disconnection. > A ConcurrentModificationException is raised; > {noformat} > [2021-09-28 10:26:53,591] - [WILDFLY] - [WARN ] - [Thread-11 > ([ActiveMQ-server-org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl$6@444dc7ba|mailto:ActiveMQ-server-org.apache.activemq.artemis.core.server.impl.ActiveMQServerImpl$6@444dc7ba])] > - [org.apache.activemq.artemis.core.server] : *AMQ222151: removing consumer > which did not handle a message*, consumer=ServerConsumerImpl [id=1990, > filter=null, binding=LocalQueueBinding [address=jms.topic.defended_assetFull, > queue=QueueImpl[name=d1586796-2035-11ec-8d2e-00505689a76b, > postOffice=PostOfficeImpl > [server=ActiveMQServerImpl::serverUUID=2f00c36f-2034-11ec-8d2e-00505689a76b], > temp=true]@4180826b, filter=null, name=d1586796-2035-11ec-8d2e-00505689a76b, > clusterName=d1586796-2035-11ec-8d2e-00505689a76b2f00c36f-2034-11ec-8d2e-00505689a76b]], > > message=Reference[2019]:RELIABLE:CoreMessage[messageID=2019,durable=true,userID=d5e2d1c3-2035-11ec-8d2e-00505689a76b,priority=4, > timestamp=Tue Sep 28 10:26:53 CEST 2021,expiration=0, durable=true, > address=jms.topic.defended_assetFull,size=6520,properties=TypedProperties[__AMQ_CID=f9eab79a-2034-11ec-8d2e-00505689a76b,_AMQ_ROUTING_TYPE=0]]@155890432: > java.util.ConcurrentModificationException > at > java.util.ArrayList$Itr.checkForComodification(ArrayList.java:909) > at java.util.ArrayList$Itr.next(ArrayList.java:859) > at > org.apache.activemq.artemis.core.server.impl.RefsOperation.afterCommit(RefsOperation.java:179) > at > org.apache.activemq.artemis.core.transaction.impl.TransactionImpl.afterCommit(TransactionImpl.java:579) > at > org.apache.activemq.artemis.core.transaction.impl.TransactionImpl.access$100(TransactionImpl.java:40) > at > org.apache.activemq.artemis.core.transaction.impl.TransactionImpl$2.done(TransactionImpl.java:322) > at > org.apache.activemq.artemis.core.persistence.impl.journal.OperationContextImpl.executeOnCompletion(OperationContextImpl.java:190) > at > org.apache.activemq.artemis.core.persistence.impl.journal.OperationContextImpl.executeOnCompletion(OperationContextImpl.java:128) > at > org.apache.activemq.artemis.core.persistence.impl.journal.AbstractJournalStorageManager.afterCompleteOperations(AbstractJournalStorageManager.java:321) > at > org.apache.activemq.artemis.core.transaction.impl.TransactionImpl.commit(TransactionImpl.java:313) > at > org.apache.activemq.artemis.core.transaction.impl.TransactionImpl.commit(TransactionImpl.java:264) > at > org.apache.activemq.artemis.core.server.impl.ServerSessionImpl.commit(ServerSessionImpl.java:1284) > at > org.apache.activemq.artemis.core.protocol.stomp.StompSession$1.run(StompSession.java:164) > at > org.apache.activemq.artemis.core.protocol.stomp.StompSession.afterDelivery(StompSession.java:116) > at > org.apache.activemq.artemis.core.server.impl.ServerConsumerImpl.proceedDeliver(ServerConsumerImpl.java:511) > at > org.apache.activemq.artemis.core.server.impl.QueueImpl.proceedDeliver(QueueImpl.java:3744) > at > org.apache.activemq.artemis.core.server.impl.QueueImpl.deliver(QueueImpl.java:3048) > at > org.apache.activemq.artemis.core.server.impl.QueueImpl.access$2400(QueueImpl.java:125) > at > org.apache.activemq.artemis.core.server.impl.QueueImpl$DeliverRunner.run(QueueImpl.java:4119) > at > org.apache.activemq.artemis.utils.actors.OrderedExecutor.doTask(OrderedExecutor.java:42) > at > org.apache.activemq.artemis.utils.actors.OrderedExecutor.doTask(OrderedExecutor.java:31) > at > org.apache.activemq.artemis.utils.actors.ProcessorBase.executePendingTasks(ProcessorBase.java:65) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) > at > org.apache.activemq.artemis.utils.ActiveMQThreadFactory$1.run(ActiveMQThreadFactory.java:118) > {noformat} > Artemis (2.16.0) is deployed in Wildfly (24.0.1.Final) > Clients are connected to stomp acceptor: > {code:xml} > <acceptor name="stomp-over-ws" > factory-class="org.apache.activemq.artemis.core.remoting.impl.netty.NettyAcceptorFactory"> > <param name="host" value="0.0.0.0" /> > <param name="protocols" value="STOMP" /> > <param name="port" value="61614" /> > </acceptor> > {code} > Bug is random but is reproduced quite often with a full scenario we have (on > one topic or another) so we are able to reproduce it and add logs if > necessary. -- This message was sent by Atlassian Jira (v8.20.1#820001)