horizonzy commented on issue #3751:
URL: https://github.com/apache/bookkeeper/issues/3751#issuecomment-1427204691
Add more context:
The method io.netty.channel.DefaultChannelPipeline#touch is for memory leak
detection.
```
private final boolean touch = ResourceLeakDetector.isEnabled();
final Object touch(Object msg, AbstractChannelHandlerContext next) {
return touch ? ReferenceCountUtil.touch(msg, next) : msg;
}
```
io.netty.util.ResourceLeakDetector#isEnabled:
```
public static boolean isEnabled() {
return getLevel().ordinal() >
ResourceLeakDetector.Level.DISABLED.ordinal();
}
```
io.netty.util.ResourceLeakDetector.Level:
```
public static enum Level {
DISABLED,
SIMPLE,
ADVANCED,
PARANOID;
}
```
If the user didn't config ResourceLeakDetector LEVEL, it may work well. but
If the user config the ResourceLeakDetector.LEVEL greater than DISABLED, the
problem will happen.
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