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From yuhang li <89389114...@gmail.com>
Subject Re: Region server web port doesn't respond
Date Wed, 06 Nov 2019 02:08:48 GMT
My jdk version is 1.8.

I checked the jetty code and found that jetty does some work for jvm bugs
in jdk1.6 and 1.7. But what I use is jdk 1.8. This should be a bug of jetty.

The workearounds jetty takes is to check the time cost of JAVA NIO
selector's select operation, and thinks it's BUG appearing when the time
cost is too small. see https://wiki.eclipse.org/Jetty/Feature/JVM_NIO_Bug

According to jetty code, some system property can be set to control the
behaviour of this workearound. I'v set
-Dorg.mortbay.io.nio.MONITOR_PERIOD=0", maybe it cound work.

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