[jdk11u-dev] RFR: 8191278: MappedByteBuffer bulk access memory failures are not handled gracefully

Fri Aug 6 16:03:29 UTC 2021

On Thu, 29 Jul 2021 12:22:06 GMT, Sergey Nazarkin <snazarki at openjdk.org> wrote:

> Hi!
> I'd like to backport this changes to fix crash happens on memory mapped file operations.  The patch applies almost cleanly except stubGenerator_arm.cpp due to miss of JEP 340 (One AArch64 Port, Not Two), and some copyright year conflicts. 
> Need to note that a series of follow up is required to fix some platforms build. Particularly arm32/aarch64 is not buildable without 8226871. I'll create necessary PR soon. 
> Tested with tier1/tier2 and new InternalErrorTest.

FWIW: Testing of this change plus its three follow ups didn't show regressions in SAP's nightlies.

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PR: https://git.openjdk.java.net/jdk11u-dev/pull/173