Native Image Committer and Community Meeting 2025-07-31

[wirthi]

List of all past and upcoming meetings: #3933

The meeting after this one is planned for August 28th, 2025. The meeting will typically be on the last Thursday of each month.

New and Noteworthy

• Native Image Layers
  [GR-65862] Base-relative code pointers in virtual dispatch tables for layered images. #11562
  [GR-64831] Base-relative code pointers in reflection accessors. #11732
  [GR-66742] Deduplicate ReflectionDataBuilder #11628
  [GR-64130] Update iprof version to include instanceof profiles. #11536
  [GR-62596] Introduce IndirectCallTargets for Open Type World Hub Layout. #11585
  [GR-66737] Fix MissingResourceRegistration behaviour for resource bundle access via module. #11629
  [GR-62502] Fail fast when trying to build layered image on unsupported platform. #11691
  [GR-67803] Persist unsafe accessed across layers #11778
  [GR-67504] Install all GCCauses in initial layer. #11734
  [GR-66791] Introduce SingletonTraits annotation. #11722
  [GR-67659] Ensure SVMImageLayerLoader looks up information via the base layer type id. #11716
  [GR-66488] [GR-66403] [GR-66469] Use module name instead of Module reference in ModuleResourceKey for Layered Images #11600
  [GR-66724] Copy interface class displays from object parent type. #11578
  [GR-66722] [GR-66723] Open world analysis fixes. #11550
  [GR-66292] Deduplicate ClassForNameSupport data in extension layers #11538
  [GR-65625] [GR-66764] Refine layer compatibility checking for build options. #11529
  [GR-66123] Make heap dumping layer aware #11560

• Streamline reachability metadata
  [GR-65773] Integrate foreign configuration into reachability-metadata.json #11805
  [GR-68152] Register class metadata on feature API registration behind --future-defaults #11815
  [GR-65387] [GR-65921] [GR-67442] [GR-64765] Tracing & registration fixes: fix tracing bugs, rename runtime tracing option, support debug-log, add missing MissingRegistrationError checks. #11822
  [GR-67746] Base reflection TCK tests #11839

• Usability
  [GR-65589] Provide a concrete action in dynamic access error messages. #11504
  [GR-67977] Match rechability-metadata.json file indentation in dynamic-access errors. #11776
  [GR-67972] Enable metadata tracing with -H:Preserve=all. #11755
  [GR-67454] Set system properties for future-defaults. #11718
  [GR-64735] Fix the ignore list for Preserve. #11678
  [GR-66737] Fix MissingResourceRegistration behaviour for resource bundle access via module. #11629
  [GR-62633] Preserve all "optimized-out" JDK components. #11612
  [GR-64974] Preserve array types up to dimension 2. #11611
  [GR-65574] Include resource bundles with -H:Preserve. #11593
  [GR-66161] Fix native tracing when metadata is missing. #11553
  [GR-66227] Register Object methods for reflective queries #11544
  [GR-64207] [GR-65006] Refactor --parallelism and java.util.concurrent.ForkJoinPool.common.parallelism system property handling. #11513
  [GR-66194] Ignore serialization constructors for reflection #11509

• Crema
  [GR-59687] [GR-59683] Setup type and dispatch data for crema dynamic hubs. #11592

• Monitoring / Tooling
  [GR-67833] Improve -XX:FlightRecorderLogging error message for unknown tag set #11733
  [GR-67388] Support jvmstat on Windows if no memory-mapped file is needed. #11605
  [GR-67402] Remote JMX SSL bug fix and updated tests. #11599
  [GR-67262] Fix JFR GC events. #11583
  Fix bug in JmxServerFeature resource registration #11568 (Red Hat)
  Remote JMX SSL bug fix and updated tests #6275 (Red Hat)
  [GR-65559] Add JNI registration Attach API #11482

• Debugging
  [GR-54697] Implement debuginfo generation at image-runtime. #10522

• JDWP
  [GR-67821] Use system threads and polyglot threads for JDWP. #11825
  [GR-66625] [GR-66894] Espresso: Fix JDWP.ThreadReference.STATUS#getThreadStatus #11702

• FFM API / Panama
  [GR-65268] Support Arena.ofShared with runtime compilations. #11788
  [GR-65764] Add FFM method detection to the dynamic access analysis #11626
  [GR-64144] Support conditions in foreign configuration files. #11566
  [GR-64608] Add basic FFM API tests. #11484

• Garbage Collector / Memory Management
  [GR-67472] Fix options ReservedAddressSpaceSize and MaxReservedAddressSpaceSize. #11687

• Other & fixes
  [GR-62851] Upgrade toolchain to musl 1.2.5.1. #11735
  [GR-67560] Remove unnecessary image heap partition alignment and filler object support. #11723
  [GR-67902] Fix segfaults caused by graph scheduling. #11791
  [GR-68103] Fix memory leak in SourceManager.verifiedPaths. #11794
  [GR-67748] Remove HostedOptionCustomizer. #11793
  [GR-68018] Fix transient failure in TestObjectAllocationOutsideTLABEvent. #11781
  [GR-67752] Small cleanups for "Cleaner"-related code. #11773
  [GR-67214] Use SetUnhandledExceptionFilter on Windows. #11771
  [GR-67673] Report more information if the heap verification finds a broken reference on the stack. #11720
  [GR-67785] Fix detach_all_threads_and_tear_down_isolate. #11719
  [GR-62814] Don't use a base pointer for JIT compiled code and deopt targets. #11703
  [GR-67602] SubstrateDiagnostics and OutOfMemoryError bugfixes. #11688
  [GR-67552] Update NINJA version on Windows #11623
  [GR-67326] Allow types starting with $Proxy without being proxy classes #11606
  [GR-65192] Recurring callback fixes. #11571
  [GR-66562] Add a logging mechanism that can be used from uninterruptible code. #11569
  [GR-65862] Base-relative code pointers in virtual dispatch tables for layered images. #11562
  [GR-66564] Adopt JDK-8356868: Not all cgroup parameters are made available #11526
  [GR-66563] [GR-66569] Better frame anchor verification and fully uninterruptible exception handling. #11498
  [GR-65845] Prevent -H:ExcludeResources=... from excluding directory resources. #11477
  [GR-66029] Print class initialization config once right before analysis. #11464

Questions

Deep Dive: Debuginfo generation at image run-time

Presenter: Dominik Mascherbauer