[jdk11u-dev] RFR: 8313816: Accessing jmethodID might lead to spurious crashes [v2]

[Lindenmaier, Goetz]

Hi Jaroslav,

I backed out the change in our nightly testing and the issue
is gone. So it's really caused by your change.

Best regards, 
  Goetz.


> -----Original Message-----
> From: jdk-updates-dev <jdk-updates-dev-retn at openjdk.org> On Behalf Of
> Amos Shi
> Sent: Samstag, 23. Dezember 2023 00:02
> To: jdk-updates-dev at openjdk.org
> Subject: Re: [jdk11u-dev] RFR: 8313816: Accessing jmethodID might lead to
> spurious crashes [v2]
> 
> [Some people who received this message don't often get email from
> ashi at openjdk.org. Learn why this is important at
> https://aka.ms/LearnAboutSenderIdentification ]
> 
> On Wed, 6 Dec 2023 10:38:56 GMT, Jaroslav Bachorik
> <jbachorik at openjdk.org> wrote:
> 
> >> Looks like a clean backport from the 17u PR, except for replacing nullptr
> with NULL as you note, and the unused declaration of
> metaspaceSharedRegionAlignment in WhiteBox.java. The latter doesn't seem
> have a definition in 11u: if so, please remove it.
> >
> > @phohensee There are the additional changes in the testing that were
> necessary. Although they are not affecting any existing code/tests.
> 
> Hi @jbachorik,
> 
> In  today's test result, the test case
> `test/hotspot/jtreg/serviceability/jvmti/thread/GetStackTrace/GetStackTraceAn
> dRetransformTest/GetStackTraceAndRetransformTest.java` is failing with the
> following info:
> 
> - _Unsupported internal testing APIs have been used._
> 
> 
> ----------System.out:(20/1185)----------
> # To suppress the following error report, specify this argument
> # after -XX: or in .hotspotrc:  SuppressErrorAt=/metadataOnStackMark.cpp:50
> #
> # A fatal error has been detected by the Java Runtime Environment:
> #
> #  Internal Error (/priv/jenkins/client-home/workspace/openjdk-11u-dev-
> linux_x86_64-
> dbg/jdk/src/hotspot/share/classfile/metadataOnStackMark.cpp:50), pid=65261,
> tid=65413
> #  assert(SafepointSynchronize::is_at_safepoint()) failed: sanity check
> #
> # JRE version: OpenJDK Runtime Environment (11.0.23) (fastdebug build
> 11.0.23-internal+0-adhoc..jdk)
> # Java VM: OpenJDK 64-Bit Server VM (fastdebug 11.0.23-internal+0-
> adhoc..jdk, mixed mode, tiered, compressed oops, g1 gc, linux-amd64)
> # Core dump will be written. Default location:
> /priv/jvmtests/output_openjdk11_dev_dbgU_linuxx86_64/jtreg_hotspot_tier2
> _work/JTwork/scratch/8/core.65261
> #
> Unsupported internal testing APIs have been used.
> 
> # An error report file with more information is saved as:
> #
> /priv/jvmtests/output_openjdk11_dev_dbgU_linuxx86_64/jtreg_hotspot_tier2
> _work/JTwork/scratch/8/hs_err_pid65261.log
> #
> # If you would like to submit a bug report, please visit:
> #
> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fbugrepo
> rt.java.com%2Fbugreport%2Fcrash.jsp&data=05%7C02%7Cgoetz.lindenmaier%
> 40sap.com%7Cd348179c4a08439f11d208dc03420cea%7C42f7676cf455423c8
> 2f6dc2d99791af7%7C0%7C0%7C638388829421636554%7CUnknown%7CTWF
> pbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI
> 6Mn0%3D%7C3000%7C%7C%7C&sdata=xS617527CbTO5OPMg6uxqMvXEbAfy
> nXDYVaWQGqbYzA%3D&reserved=0
> 
> 
> Need your help to identify if this failure is caused by current PR or not.
> 
> Thanks
> Amos
> A Happy Developer
> 
> -------------
> 
> PR Comment: https://git.openjdk.org/jdk11u-dev/pull/2321#issuecomment-
> 1868118735