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From yuhang li <89389114...@gmail.com>
Subject Re: Region server web port doesn't respond
Date Wed, 06 Nov 2019 03:49:24 GMT
openjdk version "1.8.0_171"
OpenJDK Runtime Environment (build 1.8.0_171-b10)
OpenJDK 64-Bit Server VM (build 25.171-b10, mixed mode)

Sean Busbey <busbey@apache.org> 于2019年11月6日周三 上午11:44写道:

> what's your specific JDK version. Capturing the output of "java
> -version" would be the easiest way to get an answer.
>
> On Tue, Nov 5, 2019 at 8:09 PM yuhang li <893891140li@gmail.com> wrote:
> >
> > 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.JVMBUG_THRESHHOLD=2147483647
> > -Dorg.mortbay.io.nio.MONITOR_PERIOD=0", maybe it cound work.
>

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