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Title: feat: split libJavaSupport.so — JVMAccess loads support lib only, not the full profiler by jbachorik · Pull Request #623 · DataDog/java-profiler · GitHub

Open Graph Title: feat: split libJavaSupport.so — JVMAccess loads support lib only, not the full profiler by jbachorik · Pull Request #623 · DataDog/java-profiler

X Title: feat: split libJavaSupport.so — JVMAccess loads support lib only, not the full profiler by jbachorik · Pull Request #623 · DataDog/java-profiler

Description: Contribute to DataDog/java-profiler development by creating an account on GitHub.

Open Graph Description: What does this PR do?: Splits the native library so JVMAccess loads only libJavaSupport.so (the lightweight JVM-introspection subset) and never maps libjavaProfiler.so. The JVMAccess JNI entry poin...

X Description: What does this PR do?: Splits the native library so JVMAccess loads only libJavaSupport.so (the lightweight JVM-introspection subset) and never maps libjavaProfiler.so. The JVMAccess JNI entry poin...

Opengraph URL: https://github.com/DataDog/java-profiler/pull/623

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June 30, 2026 12:07https://github.com/DataDog/java-profiler/pull/623#commits-pushed-f4f2712
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fix: copy libJavaSupport.so for gtest binaries; guard J9/agent in Sup…https://github.com/DataDog/java-profiler/pull/623/commits/f4f2712738c6c7739b11ca5dc01a45274c704c13
f4f2712https://github.com/DataDog/java-profiler/pull/623/commits/f4f2712738c6c7739b11ca5dc01a45274c704c13
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fix: update JVMAccessTest for library-split architecturehttps://github.com/DataDog/java-profiler/pull/623/commits/f370bdda6ab3c45a1fc3ee585646a098f4f6b95b
f370bddhttps://github.com/DataDog/java-profiler/pull/623/commits/f370bdda6ab3c45a1fc3ee585646a098f4f6b95b
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fix: skip support-only gtest wiring for sanitizer configshttps://github.com/DataDog/java-profiler/pull/623/commits/ff94a60795182d6732ddde12611d9277aa93ea09
ff94a60https://github.com/DataDog/java-profiler/pull/623/commits/ff94a60795182d6732ddde12611d9277aa93ea09
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fix: healthCheck0 lazily initialises VMStructs for standalone libJava…https://github.com/DataDog/java-profiler/pull/623/commits/8e96cf7c23369c13e56c328c323c9f75b2d3826e
8e96cf7https://github.com/DataDog/java-profiler/pull/623/commits/8e96cf7c23369c13e56c328c323c9f75b2d3826e
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force-pushedhttps://github.com/DataDog/java-profiler/compare/3d15d9c0cd4c48bbbe2d0887017bb7d93990b62c..8e96cf7c23369c13e56c328c323c9f75b2d3826e
3d15d9chttps://github.com/DataDog/java-profiler/commit/3d15d9c0cd4c48bbbe2d0887017bb7d93990b62c
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Compare https://github.com/DataDog/java-profiler/compare/3d15d9c0cd4c48bbbe2d0887017bb7d93990b62c..8e96cf7c23369c13e56c328c323c9f75b2d3826e
June 30, 2026 11:35https://github.com/DataDog/java-profiler/pull/623#event-27375626051
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fix: restrict support-only gtest to debug/release; use isActive for J…https://github.com/DataDog/java-profiler/pull/623/commits/84f4fb619804cbf01c5c55338875b9c312ce9d0e
84f4fb6https://github.com/DataDog/java-profiler/pull/623/commits/84f4fb619804cbf01c5c55338875b9c312ce9d0e
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June 30, 2026 14:52https://github.com/DataDog/java-profiler/pull/623#commits-pushed-3860ddc
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fix: gate JVMAccess.isActive on healthCheck0 result (J9/Zing)https://github.com/DataDog/java-profiler/pull/623/commits/3860ddcc5505ebd3be17c3f60be3c378210eb2d9
3860ddchttps://github.com/DataDog/java-profiler/pull/623/commits/3860ddcc5505ebd3be17c3f60be3c378210eb2d9
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fix: resolve HotSpot version for standalone JVMAccess flag readshttps://github.com/DataDog/java-profiler/pull/623/commits/65b425a2bd8b8b16115efa9986f966778d304566
65b425ahttps://github.com/DataDog/java-profiler/pull/623/commits/65b425a2bd8b8b16115efa9986f966778d304566
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fix: do not enter HotSpot mode for J9/Zing in VMStructs::inithttps://github.com/DataDog/java-profiler/pull/623/commits/7d37b95bb979ec769582ca77c5d716fbf19b0910
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fix: harden LibraryLoader concurrency and resource handlinghttps://github.com/DataDog/java-profiler/pull/623/commits/bee9d8486da8120327daed3d517dcab69c306da0
bee9d84https://github.com/DataDog/java-profiler/pull/623/commits/bee9d8486da8120327daed3d517dcab69c306da0
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ci: exclude split fuzzer compile tasks in assemble/publishhttps://github.com/DataDog/java-profiler/pull/623/commits/984428f01786a79f724db8d962376ec91a941cd1
984428fhttps://github.com/DataDog/java-profiler/pull/623/commits/984428f01786a79f724db8d962376ec91a941cd1
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Jun 30, 2026https://github.com/DataDog/java-profiler/pull/623#issuecomment-4846021921
https://gitlab.ddbuild.io/DataDog/java-profiler/-/pipelines/121912364https://gitlab.ddbuild.io/DataDog/java-profiler/-/pipelines/121912364
Please reload this pagehttps://github.com/DataDog/java-profiler/pull/623
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July 2, 2026 00:19https://github.com/DataDog/java-profiler/pull/623#commits-pushed-337d6ad
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refactor: extract ThreadContext base from ProfiledThreadhttps://github.com/DataDog/java-profiler/pull/623/commits/337d6ad8f5d26b74f205304f1ef5009fb1d440f7
337d6adhttps://github.com/DataDog/java-profiler/pull/623/commits/337d6ad8f5d26b74f205304f1ef5009fb1d440f7
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refactor: move otel_context to supporthttps://github.com/DataDog/java-profiler/pull/623/commits/3858bf22d9cddcc9b4fedcd1ccdebdca6de4f08a
3858bf2https://github.com/DataDog/java-profiler/pull/623/commits/3858bf22d9cddcc9b4fedcd1ccdebdca6de4f08a
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refactor: split ContextApi (get/init → support, snapshot → profiler)https://github.com/DataDog/java-profiler/pull/623/commits/22f52ffb451886032c062fb9a4ede3e970d9ee21
22f52ffhttps://github.com/DataDog/java-profiler/pull/623/commits/22f52ffb451886032c062fb9a4ede3e970d9ee21
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refactor: move context/process-ctx natives to support TUhttps://github.com/DataDog/java-profiler/pull/623/commits/eef50426f279f26c4c53e7c926869c654fd38559
eef5042https://github.com/DataDog/java-profiler/pull/623/commits/eef50426f279f26c4c53e7c926869c654fd38559
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refactor: add support-loadable ContextStorage; load OTelContext from …https://github.com/DataDog/java-profiler/pull/623/commits/7d10bc370f9c70b01c8fae3690161f9808892c82
7d10bc3https://github.com/DataDog/java-profiler/pull/623/commits/7d10bc370f9c70b01c8fae3690161f9808892c82
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refactor: address review findings on thread-context factory splithttps://github.com/DataDog/java-profiler/pull/623/commits/3c8190d28d8320183b7bd2fd670dcfdd366ebd82
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fix: avoid UAF in threadContext_defensive_ut CriticalSection scopehttps://github.com/DataDog/java-profiler/pull/623/commits/ed066ba832b9131a5ad7c517439f9cc0dbb0b009
ed066bahttps://github.com/DataDog/java-profiler/pull/623/commits/ed066ba832b9131a5ad7c517439f9cc0dbb0b009
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