Github user michaelandrepearce commented on the issue:
https://github.com/apache/activemq-artemis/pull/1093
i turned on the netty leak detector:
22:55:59,492 SEVERE [io.netty.util.ResourceLeakDetector] LEAK:
ByteBuf.release() was not called before it's garbage-collected. See
http://netty.io/wiki/reference-counted-objects.html for more information.
Recent access records: 4
#4:
io.netty.buffer.AdvancedLeakAwareByteBuf.readBytes(AdvancedLeakAwareByteBuf.java:504)
io.netty.buffer.WrappedByteBuf.readBytes(WrappedByteBuf.java:661)
org.apache.activemq.artemis.protocol.amqp.proton.handler.ProtonHandler.inputBuffer(ProtonHandler.java:182)
org.apache.activemq.artemis.protocol.amqp.proton.AMQPConnectionContext.inputBuffer(AMQPConnectionContext.java:110)
org.apache.activemq.artemis.protocol.amqp.broker.ActiveMQProtonRemotingConnection.bufferReceived(ActiveMQProtonRemotingConnection.java:134)
org.apache.activemq.artemis.core.remoting.server.impl.RemotingServiceImpl$DelegatingBufferHandler.bufferReceived(RemotingServiceImpl.java:629)
org.apache.activemq.artemis.core.remoting.impl.netty.ActiveMQChannelHandler.channelRead(ActiveMQChannelHandler.java:68)
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:349)
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:341)
io.netty.handler.codec.ByteToMessageDecoder.handlerRemoved(ByteToMessageDecoder.java:219)
io.netty.channel.DefaultChannelPipeline.callHandlerRemoved0(DefaultChannelPipeline.java:631)
io.netty.channel.DefaultChannelPipeline.remove(DefaultChannelPipeline.java:468)
io.netty.channel.DefaultChannelPipeline.remove(DefaultChannelPipeline.java:428)
org.apache.activemq.artemis.core.protocol.ProtocolHandler$ProtocolDecoder.decode(ProtocolHandler.java:185)
io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:411)
io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:248)
org.apache.activemq.artemis.core.protocol.ProtocolHandler$ProtocolDecoder.channelRead(ProtocolHandler.java:128)
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:349)
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:341)
io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1334)
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:349)
io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:926)
io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:1018)
io.netty.channel.epoll.EpollEventLoop.processReady(EpollEventLoop.java:394)
io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:299)
io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:858)
java.lang.Thread.run(Thread.java:745)
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