Re: [jgroups-dev] JGRP-1877

This is what a customer told me, and  - apparently - it happens frequently.

On 11/09/14 01:54, Takayoshi Kimura wrote:
> At Wed, 10 Sep 2014 12:04:50 +0200,
> Bela Ban <[email protected]> wrote:
>> Our good friend Erik has run into issues
>> with RPCs (using currentTimeMillis()) hanging forever when their
>> NTP-based servers adjusted the time .... backwards !
>
> I think this is not a common NTP behaviour and not sure we need to
> handle this situation.
>
> When NTP needs to adjust the time backwards, NTP stops the time until
> the target time and it does not adjust the time backwards because it's
> known to break a lot of software like this way. If NTP got a time
> query, it does nanoTime + 1 and returns that value, forward only.
>
> Takayoshi
>

-- 
Bela Ban, JGroups lead (http://www.jgroups.org)

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