2022-Oct-05 16:48:16,735 WARN [org.apache.activemq.artemis.core.client] AMQ212072: Failed to change channel state to ReadyForWriting : java.util.ConcurrentModificationException
at java.base/java.util.ArrayList.forEach(ArrayList.java:1543) [java.base:]
at org.apache.activemq.artemis.core.remoting.impl.netty.NettyConnection.fireReady(NettyConnection.java:171) [artemis-core-client-2.21.0.redhat-00025.jar:2.21.0.redhat-00025]
at org.apache.activemq.artemis.core.remoting.impl.netty.NettyAcceptor$Listener.connectionReadyForWrites(NettyAcceptor.java:988) [artemis-server-2.21.0.redhat-00025.jar:2.21.0.redhat-00025]
at org.apache.activemq.artemis.core.remoting.impl.netty.ActiveMQChannelHandler.channelWritabilityChanged(ActiveMQChannelHandler.java:65) [artemis-core-client-2.21.0.redhat-00025.jar:2.21.0.redhat-00025]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelWritabilityChanged(AbstractChannelHandlerContext.java:441) [netty-transport-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelWritabilityChanged(AbstractChannelHandlerContext.java:428) [netty-transport-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.AbstractChannelHandlerContext.fireChannelWritabilityChanged(AbstractChannelHandlerContext.java:421) [netty-transport-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.DefaultChannelPipeline$HeadContext.channelWritabilityChanged(DefaultChannelPipeline.java:1433) [netty-transport-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelWritabilityChanged(AbstractChannelHandlerContext.java:441) [netty-transport-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.AbstractChannelHandlerContext.invokeChannelWritabilityChanged(AbstractChannelHandlerContext.java:428) [netty-transport-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.DefaultChannelPipeline.fireChannelWritabilityChanged(DefaultChannelPipeline.java:931) [netty-transport-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.ChannelOutboundBuffer.fireChannelWritabilityChanged(ChannelOutboundBuffer.java:628) [netty-transport-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.ChannelOutboundBuffer.setWritable(ChannelOutboundBuffer.java:594) [netty-transport-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.ChannelOutboundBuffer.decrementPendingOutboundBytes(ChannelOutboundBuffer.java:196) [netty-transport-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.ChannelOutboundBuffer.remove(ChannelOutboundBuffer.java:273) [netty-transport-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.ChannelOutboundBuffer.removeBytes(ChannelOutboundBuffer.java:352) [netty-transport-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.epoll.AbstractEpollChannel.doWriteBytes(AbstractEpollChannel.java:364) [netty-transport-classes-epoll-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.epoll.AbstractEpollStreamChannel.writeBytes(AbstractEpollStreamChannel.java:260) [netty-transport-classes-epoll-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.epoll.AbstractEpollStreamChannel.doWriteSingle(AbstractEpollStreamChannel.java:471) [netty-transport-classes-epoll-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.epoll.AbstractEpollStreamChannel.doWrite(AbstractEpollStreamChannel.java:429) [netty-transport-classes-epoll-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.AbstractChannel$AbstractUnsafe.flush0(AbstractChannel.java:931) [netty-transport-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe.epollOutReady(AbstractEpollChannel.java:570) [netty-transport-classes-epoll-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:470) [netty-transport-classes-epoll-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:378) [netty-transport-classes-epoll-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:986) [netty-common-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) [netty-common-4.1.75.Final-redhat-00001.jar:4.1.75.Final-redhat-00001]
at org.apache.activemq.artemis.utils.ActiveMQThreadFactory$1.run(ActiveMQThreadFactory.java:118) [artemis-commons-2.21.0.redhat-00025.jar:]