AW: Java CountDownLatch.await(timeout) is influenced by changes to Systemtime on Linux

David Holmes david.holmes at
Tue Nov 11 02:17:25 UTC 2014

This is a known issue:

fixed in 7u60, 8 and 9.

What version were you running?


On 11/11/2014 6:59 AM, Bernd Eckenfels wrote:
> Hm, how did you change the time? (normal date command?) System.nanoTime is supposed to be monotonic. I think on linux it even uses a timer for exactly that.
> i think there was a open bug around park(), but the nanoTime should be find (and negative difference are sonewhat normal with it anyway)
> gruss
> bernd

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