Re: [JENKINS-EA] Lucene-nightly-main-Linux (64bit/hotspot/jdk-25-ea+15) - Build # 159 - Unstable!

disambiguating: CMS == ConcurrentMergeScheduler not the old GC :)

On Tue, May 20, 2025 at 1:50 AM Dawid Weiss <[email protected]> wrote:
>
>
> This run used serial gc. It is an OOM from an uncaught exception handler - perhaps merge threads should be taking care of errors (not just exceptions)?
>
> D.
>
> On Tue, May 20, 2025 at 2:56 AM Robert Muir <[email protected]> wrote:
>>
>> this is new to me:
>>
>> Caused by: java.lang.OutOfMemoryError: Java heap space: failed
>> reallocation of scalar replaced objects
>>
>> the failure is difficult to think about, something screwy about how it
>> is communicated? seems like it happens in uncaught exception handler
>> from the CMS thread.
>>
>> For sure some tests in this class were run and I suspect
>> testConcurrency() might be involved based on this:
>>
>> The slowest tests (exceeding 500 ms) during this run:
>>   987.90s TestDirectoryTaxonomyWriter.testConcurrency (:lucene:facet)
>>
>> On Mon, May 19, 2025 at 4:56 PM Policeman Jenkins Server
>> <[email protected]> wrote:
>> >
>> > Build: https://jenkins.thetaphi.de/job/Lucene-nightly-main-Linux/159/
>> > Java: 64bit/hotspot/jdk-25-ea+15 -XX:-UseCompressedOops -XX:+UseSerialGC
>> >
>> > 1 tests failed.
>> > FAILED:  org.apache.lucene.facet.taxonomy.directory.TestDirectoryTaxonomyWriter.classMethod
>> >
>> > Error Message:
>> > java.lang.OutOfMemoryError: Java heap space
>> >
>> > Stack Trace:
>> > java.lang.OutOfMemoryError: Java heap space
>> >
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