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A Scala web server powered by Netty networking and AKKA processing.
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Memory LEAK of quickstart example #118

Open lavender-lee opened 4 years ago

lavender-lee commented 4 years ago

When I start the example of quickstart and test it via JMeter 5000 times, then I got the following error :

23:58:51.961 [nioEventLoopGroup-3-1] [] ERROR io.netty.util.ResourceLeakDetector  - LEAK: ByteBuf.release() was not called before it's garbage-collected. Enable advanced leak reporting to find out where the leak occurred. To enable advanced leak reporting, specify the JVM option '-Dio.netty.leakDetectionLevel=advanced' or call ResourceLeakDetector.setLevel()

xxx

so I add the JVM option -Dio.netty.leakDetectionLevel=advanced, then restarts this example

00:07:38.225 [nioEventLoopGroup-3-8] [] ERROR io.netty.util.ResourceLeakDetector  - LEAK: ByteBuf.release() was not called before it's garbage-collected.
Recent access records: 0
Created at:
    io.netty.buffer.CompositeByteBuf.<init>(CompositeByteBuf.java:59)
    io.netty.buffer.AbstractByteBufAllocator.compositeDirectBuffer(AbstractByteBufAllocator.java:191)
    io.netty.buffer.AbstractByteBufAllocator.compositeBuffer(AbstractByteBufAllocator.java:169)
    io.netty.handler.codec.http.HttpObjectAggregator.decode(HttpObjectAggregator.java:149)
    io.netty.handler.codec.http.HttpObjectAggregator.decode(HttpObjectAggregator.java:54)
    io.netty.handler.codec.MessageToMessageDecoder.channelRead(MessageToMessageDecoder.java:89)
    io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
    io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
    io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:163)
    io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:333)
    io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:319)
    io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:787)
    io.netty.channel.nio.AbstractNioByteChannel$NioByteUnsafe.read(AbstractNioByteChannel.java:130)
    io.netty.channel.nio.NioEventLoop.processSelectedKey(NioEventLoop.java:511)
    io.netty.channel.nio.NioEventLoop.processSelectedKeysOptimized(NioEventLoop.java:468)
    io.netty.channel.nio.NioEventLoop.processSelectedKeys(NioEventLoop.java:382)
    io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:354)
    io.netty.util.concurrent.SingleThreadEventExecutor$2.run(SingleThreadEventExecutor.java:116)
    io.netty.util.concurrent.DefaultThreadFactory$DefaultRunnableDecorator.run(DefaultThreadFactory.java:137)
    java.lang.Thread.run(Thread.java:748)