LEAK: ByteBuf.release() was not called before it's garbage-collected. Enable advanced leak reporting

崔耀强

于 2016-08-31 16:03:01 发布

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分类专栏： IO 文章标签： ByteBuf-re release netty5 leak jvm

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问题描述：

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()

ByteBuf是一个引用计数对象，这个对象必须显示地调用release()方法来释放。

解决方法：

@Override
 public void channelRead(ChannelHandlerContext ctx, Object msg) {
 try {
 // Do something with msg
} finally {
 ReferenceCountUtil.release(msg);
 }
 }

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