Pavel Tupitsyn created IGNITE-25669:
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Summary: Java thin 3.0: Netty buffer leak detected on TC
Key: IGNITE-25669
URL: https://issues.apache.org/jira/browse/IGNITE-25669
Project: Ignite
Issue Type: Bug
Components: thin clients ai3
Reporter: Pavel Tupitsyn
Assignee: Pavel Tupitsyn
Fix For: 3.1
{code}
[2025-06-07T06:39:08,177][ERROR][testNode_150-network-worker-12][ResourceLeakDetector]
LEAK: ByteBuf.release() was not called before it's garbage-collected. See
https://netty.io/wiki/reference-counted-objects.html for more information.
06:40:29 Recent access records:
06:40:29 #1:
06:40:29
org.apache.ignite.internal.client.proto.ClientMessageUnpacker.close(ClientMessageUnpacker.java:878)
06:40:29
org.apache.ignite.internal.client.TcpClientChannel.onMessage(TcpClientChannel.java:284)
06:40:29
org.apache.ignite.internal.client.io.netty.NettyClientConnection.onMessage(NettyClientConnection.java:109)
06:40:29
org.apache.ignite.internal.client.io.netty.NettyClientMessageHandler.channelRead(NettyClientMessageHandler.java:25)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
06:40:29
io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346)
06:40:29
io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
06:40:29
io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1357)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
06:40:29
io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:868)
06:40:29
io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166)
06:40:29
io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:796)
06:40:29
io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:732)
06:40:29
io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:658)
06:40:29 io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)
06:40:29
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:998)
06:40:29
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
06:40:29
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
06:40:29 java.base/java.lang.Thread.run(Thread.java:833)
06:40:29 #2:
06:40:29
io.netty.buffer.AdvancedLeakAwareByteBuf.readByte(AdvancedLeakAwareByteBuf.java:401)
06:40:29
org.apache.ignite.internal.client.proto.ClientMessageUnpacker.unpackInt(ClientMessageUnpacker.java:99)
06:40:29
org.apache.ignite.internal.client.TcpClientChannel.processNextMessage(TcpClientChannel.java:460)
06:40:29
org.apache.ignite.internal.client.TcpClientChannel.onMessage(TcpClientChannel.java:283)
06:40:29
org.apache.ignite.internal.client.io.netty.NettyClientConnection.onMessage(NettyClientConnection.java:109)
06:40:29
org.apache.ignite.internal.client.io.netty.NettyClientMessageHandler.channelRead(NettyClientMessageHandler.java:25)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
06:40:29
io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346)
06:40:29
io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
06:40:29
io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1357)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
06:40:29
io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:868)
06:40:29
io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166)
06:40:29
io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:796)
06:40:29
io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:732)
06:40:29
io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:658)
06:40:29 io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)
06:40:29
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:998)
06:40:29
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
06:40:29
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
06:40:29 java.base/java.lang.Thread.run(Thread.java:833)
06:40:29 #3:
06:40:29
io.netty.buffer.AdvancedLeakAwareByteBuf.readByte(AdvancedLeakAwareByteBuf.java:401)
06:40:29
org.apache.ignite.internal.client.proto.ClientMessageUnpacker.unpackLong(ClientMessageUnpacker.java:285)
06:40:29
org.apache.ignite.internal.client.TcpClientChannel.processNextMessage(TcpClientChannel.java:459)
06:40:29
org.apache.ignite.internal.client.TcpClientChannel.onMessage(TcpClientChannel.java:283)
06:40:29
org.apache.ignite.internal.client.io.netty.NettyClientConnection.onMessage(NettyClientConnection.java:109)
06:40:29
org.apache.ignite.internal.client.io.netty.NettyClientMessageHandler.channelRead(NettyClientMessageHandler.java:25)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
06:40:29
io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346)
06:40:29
io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
06:40:29
io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1357)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
06:40:29
io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:868)
06:40:29
io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166)
06:40:29
io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:796)
06:40:29
io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:732)
06:40:29
io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:658)
06:40:29 io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)
06:40:29
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:998)
06:40:29
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
06:40:29
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
06:40:29 java.base/java.lang.Thread.run(Thread.java:833)
06:40:29 #4:
06:40:29 Hint: 'NettyClientMessageHandler#0' will handle the message from
this point.
06:40:29
io.netty.channel.DefaultChannelPipeline.touch(DefaultChannelPipeline.java:115)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:417)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
06:40:29
io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:346)
06:40:29
io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:318)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:444)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:412)
06:40:29
io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1357)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:440)
06:40:29
io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:420)
06:40:29
io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:868)
06:40:29
io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:166)
06:40:29
io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:796)
06:40:29
io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:732)
06:40:29
io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:658)
06:40:29 io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:562)
06:40:29
io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:998)
06:40:29
io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)
06:40:29
io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)
06:40:29 java.base/java.lang.Thread.run(Thread.java:833)
06:40:29 Created at:
06:40:29
io.netty.buffer.SimpleLeakAwareByteBuf.unwrappedDerived(SimpleLeakAwareByteBuf.java:144)
06:40:29
io.netty.buffer.SimpleLeakAwareByteBuf.retainedSlice(SimpleLeakAwareByteBuf.java:57)
06:40:29
io.netty.buffer.AdvancedLeakAwareByteBuf.retainedSlice(AdvancedLeakAwareByteBuf.java:96)
06:40:29
io.netty.handler.codec.LengthFieldBasedFrameDecoder.extractFrame(LengthFieldBasedFrameDecoder.java:502)
06:40:29
io.netty.handler.codec.LengthFieldBasedFrameDecoder.decode(LengthFieldBasedFrameDecoder.java:440)
06:40:29
org.apache.ignite.internal.client.proto.ClientMessageDecoder.decode(ClientMessageDecoder.java:48)
06:40:29
io.netty.handler.codec.LengthFieldBasedFrameDecoder.decode(LengthFieldBasedFrameDecoder.java:333)
06:40:29
io.netty.handler.codec.ByteToMessageDecoder.decodeRemovalReentryProtection(ByteToMessageDecoder.java:530)
06:40:29
io.netty.handler.codec.ByteToMessageDecoder.callDecode(ByteToMessageDecoder.java:469)
06:40:29
io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:290)
{code}
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