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hello! netty websocket Memory leak ,please take a look!!

See original GitHub issue

Expected behavior

2019-06-16 11:50:11.095 [nioEventLoopGroup-5-6] ERROR io.netty.util.ResourceLeakDetector - [ResourceLeakDetector.java:317] - 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: #1: Hint: ‘DefaultChannelPipeline$HeadContext#0’ will handle the message from this point. io.netty.channel.DefaultChannelPipeline.touch(DefaultChannelPipeline.java:116) io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:785) io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:701) io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:112) io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:716) io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:708) io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:791) io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:701) io.netty.channel.ChannelDuplexHandler.write(ChannelDuplexHandler.java:115) io.netty.handler.codec.http.websocketx.extensions.WebSocketServerExtensionHandler.write(WebSocketServerExtensionHandler.java:139) io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:716) io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:708) io.netty.channel.AbstractChannelHandlerContext.access$1700(AbstractChannelHandlerContext.java:56) io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.write(AbstractChannelHandlerContext.java:1102) io.netty.channel.AbstractChannelHandlerContext$WriteAndFlushTask.write(AbstractChannelHandlerContext.java:1149) io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.run(AbstractChannelHandlerContext.java:1073) io.netty.util.concurrent.AbstractEventExecutor.safeExecute$$$capture(AbstractEventExecutor.java:163) io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java) io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:405) io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:500) io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:906) io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) java.lang.Thread.run(Thread.java:748) #2: io.netty.buffer.AdvancedLeakAwareByteBuf.writeBytes(AdvancedLeakAwareByteBuf.java:592) io.netty.handler.codec.http.websocketx.WebSocket08FrameEncoder.encode(WebSocket08FrameEncoder.java:220) io.netty.handler.codec.http.websocketx.WebSocket08FrameEncoder.encode(WebSocket08FrameEncoder.java:73) io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:89) io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:716) io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:708) io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:791) io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:701) io.netty.channel.ChannelDuplexHandler.write(ChannelDuplexHandler.java:115) io.netty.handler.codec.http.websocketx.extensions.WebSocketServerExtensionHandler.write(WebSocketServerExtensionHandler.java:139) io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:716) io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:708) io.netty.channel.AbstractChannelHandlerContext.access$1700(AbstractChannelHandlerContext.java:56) io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.write(AbstractChannelHandlerContext.java:1102) io.netty.channel.AbstractChannelHandlerContext$WriteAndFlushTask.write(AbstractChannelHandlerContext.java:1149) io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.run(AbstractChannelHandlerContext.java:1073) io.netty.util.concurrent.AbstractEventExecutor.safeExecute$$$capture(AbstractEventExecutor.java:163) io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java) io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:405) io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:500) io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:906) io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) java.lang.Thread.run(Thread.java:748) #3: io.netty.buffer.AdvancedLeakAwareByteBuf.writeByte(AdvancedLeakAwareByteBuf.java:544) io.netty.handler.codec.http.websocketx.WebSocket08FrameEncoder.encode(WebSocket08FrameEncoder.java:157) io.netty.handler.codec.http.websocketx.WebSocket08FrameEncoder.encode(WebSocket08FrameEncoder.java:73) io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:89) io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:716) io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:708) io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:791) io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:701) io.netty.channel.ChannelDuplexHandler.write(ChannelDuplexHandler.java:115) io.netty.handler.codec.http.websocketx.extensions.WebSocketServerExtensionHandler.write(WebSocketServerExtensionHandler.java:139) io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:716) io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:708) io.netty.channel.AbstractChannelHandlerContext.access$1700(AbstractChannelHandlerContext.java:56) io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.write(AbstractChannelHandlerContext.java:1102) io.netty.channel.AbstractChannelHandlerContext$WriteAndFlushTask.write(AbstractChannelHandlerContext.java:1149) io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.run(AbstractChannelHandlerContext.java:1073) io.netty.util.concurrent.AbstractEventExecutor.safeExecute$$$capture(AbstractEventExecutor.java:163) io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java) io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:405) io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:500) io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:906) io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) java.lang.Thread.run(Thread.java:748) #4: io.netty.buffer.AdvancedLeakAwareByteBuf.writeByte(AdvancedLeakAwareByteBuf.java:544) io.netty.handler.codec.http.websocketx.WebSocket08FrameEncoder.encode(WebSocket08FrameEncoder.java:155) io.netty.handler.codec.http.websocketx.WebSocket08FrameEncoder.encode(WebSocket08FrameEncoder.java:73) io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:89) io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:716) io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:708) io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:791) io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:701) io.netty.channel.ChannelDuplexHandler.write(ChannelDuplexHandler.java:115) io.netty.handler.codec.http.websocketx.extensions.WebSocketServerExtensionHandler.write(WebSocketServerExtensionHandler.java:139) io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:716) io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:708) io.netty.channel.AbstractChannelHandlerContext.access$1700(AbstractChannelHandlerContext.java:56) io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.write(AbstractChannelHandlerContext.java:1102) io.netty.channel.AbstractChannelHandlerContext$WriteAndFlushTask.write(AbstractChannelHandlerContext.java:1149) io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.run(AbstractChannelHandlerContext.java:1073) io.netty.util.concurrent.AbstractEventExecutor.safeExecute$$$capture(AbstractEventExecutor.java:163) io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java) io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:405) io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:500) io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:906) io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) java.lang.Thread.run(Thread.java:748) Created at: io.netty.buffer.PooledByteBufAllocator.newDirectBuffer(PooledByteBufAllocator.java:349) io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:187) io.netty.buffer.AbstractByteBufAllocator.directBuffer(AbstractByteBufAllocator.java:178) io.netty.buffer.AbstractByteBufAllocator.buffer(AbstractByteBufAllocator.java:115) io.netty.handler.codec.http.websocketx.WebSocket08FrameEncoder.encode(WebSocket08FrameEncoder.java:154) io.netty.handler.codec.http.websocketx.WebSocket08FrameEncoder.encode(WebSocket08FrameEncoder.java:73) io.netty.handler.codec.MessageToMessageEncoder.write(MessageToMessageEncoder.java:89) io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:716) io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:708) io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:791) io.netty.channel.AbstractChannelHandlerContext.write(AbstractChannelHandlerContext.java:701) io.netty.channel.ChannelDuplexHandler.write(ChannelDuplexHandler.java:115) io.netty.handler.codec.http.websocketx.extensions.WebSocketServerExtensionHandler.write(WebSocketServerExtensionHandler.java:139) io.netty.channel.AbstractChannelHandlerContext.invokeWrite0(AbstractChannelHandlerContext.java:716) io.netty.channel.AbstractChannelHandlerContext.invokeWrite(AbstractChannelHandlerContext.java:708) io.netty.channel.AbstractChannelHandlerContext.access$1700(AbstractChannelHandlerContext.java:56) io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.write(AbstractChannelHandlerContext.java:1102) io.netty.channel.AbstractChannelHandlerContext$WriteAndFlushTask.write(AbstractChannelHandlerContext.java:1149) io.netty.channel.AbstractChannelHandlerContext$AbstractWriteTask.run(AbstractChannelHandlerContext.java:1073) io.netty.util.concurrent.AbstractEventExecutor.safeExecute$$$capture(AbstractEventExecutor.java:163) io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java) io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:405) io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:500) io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:906) io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74) io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30) java.lang.Thread.run(Thread.java:748)