[11u] RFR: 8255908: ExceptionInInitializerError due to UncheckedIOException while initializing cgroupv1 subsystem

[Severin Gehwolf]

On Thu, 2020-12-10 at 14:07 +0100, Severin Gehwolf wrote:
> Hi!
> 
> Could I please get a review of this bugfix which improves error
> checking in the Java Metrics container detection code? The patch is
> basically a rewrite, since there is no cgroups v2 in JDK 11, and places
> where UncheckedIOException need to be handled are different enough for
> the JDK head patch to not apply properly.
> 
> The gist is to handle UncheckedIOException, possibly thrown because of
> interrupts, and exit gracefully rather than failing to initialize and
> crash.
> 
> Bug: https://bugs.openjdk.java.net/browse/JDK-8255908
> webrev: https://cr.openjdk.java.net/~sgehwolf/webrevs/JDK-8255908/01/webrev/
> 
> Testing: Container tests on x86_64 Linux (cgroups v1) and tier 1.
> 
> Thoughts?

Anyone?

Thanks,
Severin