8181493: (fs) Files.readAttributes(path, BasicFileAttributes.class) should preserve nano second time stamps

[Langer, Christoph]

Hi Alan,

it seems that we're encountering this behavior on old Suse SLES 11.3 and 11.4 machines, both ppc64 and linuxx86_64.

Maybe these can somehow be excluded from the test? Or the test can detect upfront when nanotime isn't supported?

/Christoph

From: Alan Bateman <Alan.Bateman at oracle.com>
Sent: Donnerstag, 8. August 2019 12:04
To: Langer, Christoph <christoph.langer at sap.com>; Brian Burkhalter <brian.burkhalter at oracle.com>
Cc: nio-dev <nio-dev at openjdk.java.net>
Subject: Re: 8181493: (fs) Files.readAttributes(path, BasicFileAttributes.class) should preserve nano second time stamps


On 08/08/2019 10:32, Langer, Christoph wrote:
Hi Brian,

after the change came in, we see sporadic test failures:

java.lang.RuntimeException: Expected modification timestamp to be '1483261261123456789', but was '1483261261000000000'
Which operating system is this? The actual timestamp is truncated which suggests that it doesn't support nanos.

-Alan
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