WIP: Reduce jmethodID

[zhengyu123]

What does this PR do?:

Motivation:

Additional Notes:

How to test the change?:

For Datadog employees:

• If this PR touches code that signs or publishes builds or packages, or handles
  credentials of any kind, I've requested a review from @DataDog/security-design-and-guidance.
• This PR doesn't touch any of that.
• JIRA: [JIRA-XXXX]

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[dd-octo-sts]

Scan-Build Report

User:	runner@runnervmg397c
Working Directory:	/home/runner/work/java-profiler/java-profiler/ddprof-lib/src/test/make
Command Line:	make -j4 all
Clang Version:	Ubuntu clang version 18.1.3 (1ubuntu1)
Date:	Tue May 26 13:32:43 2026

Bug Summary

Bug Type	Quantity	Display?
All Bugs	1
Logic error
Called C++ object pointer is null	1

Reports

Bug Group	Bug Type ▾	File	Function/Method	Line	Path Length
Logic error	Called C++ object pointer is null	hotspotSupport.cpp	printMethod	58	4

[dd-octo-sts]

CI Test Results

Run: #26451107105 | Commit: 6db303f | Duration: 3h 0m 17s (longest job)

❌ 24 of 32 test jobs failed

Status Overview

JDK	glibc-aarch64/debug	glibc-amd64/debug	musl-aarch64/debug	musl-amd64/debug
8	-	❌	-	-
8-ibm	-	❌	-	-
8-j9	✅	❌	-	-
8-librca	-	-	❌	❌
8-orcl	-	❌	-	-
11	-	❌	-	-
11-j9	✅	❌	-	-
11-librca	-	-	❌	❌
17	❌	❌	-	-
17-graal	🚫	❌	-	-
17-j9	✅	❌	-	-
17-librca	-	-	❌	❌
21	🚫	❌	-	-
21-graal	🚫	❌	-	-
21-librca	-	-	❌	❌
25	🚫	❌	-	-
25-graal	🚫	❌	-	-
25-librca	-	-	❌	❌

Legend: ✅ passed | ❌ failed | ⚪ skipped | 🚫 cancelled

Failed Tests

musl-amd64/debug / 17-librca

Job: View logs

No detailed failure information available. Check the job logs.

musl-amd64/debug / 25-librca

Job: View logs

No detailed failure information available. Check the job logs.

musl-aarch64/debug / 21-librca

Job: View logs

No detailed failure information available. Check the job logs.

musl-amd64/debug / 11-librca

Job: View logs

No detailed failure information available. Check the job logs.

musl-amd64/debug / 21-librca

Job: View logs

No detailed failure information available. Check the job logs.

musl-aarch64/debug / 8-librca

Job: View logs

No detailed failure information available. Check the job logs.

musl-amd64/debug / 8-librca

Job: View logs

No detailed failure information available. Check the job logs.

musl-aarch64/debug / 25-librca

Job: View logs

No detailed failure information available. Check the job logs.

musl-aarch64/debug / 11-librca

Job: View logs

No detailed failure information available. Check the job logs.

musl-aarch64/debug / 17-librca

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 11-j9

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 8-j9

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 11

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 8

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 8-ibm

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 8-orcl

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 21

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 17

Job: View logs

No detailed failure information available. Check the job logs.

glibc-aarch64/debug / 17

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 25-graal

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 17-graal

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 25

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 17-j9

Job: View logs

No detailed failure information available. Check the job logs.

glibc-amd64/debug / 21-graal

Job: View logs

No detailed failure information available. Check the job logs.

Summary: Total: 32 | Passed: 3 | Failed: 24 | Cancelled: 5

---

Updated: 2026-05-26 16:34:35 UTC

[datadog-prod-us1-3]

✨ Fix all issues with BitsAI

⚠️ Warnings

🚦 24 Pipeline jobs failed

CI Run | test-matrix / test-linux-glibc-amd64 (11, debug)     

🔧 Fix in code (Fix with Cursor).

2 failed tests in stackWalker_ut due to unexpected depth values at /home/runner/work/java-profiler/java-profiler/ddprof-lib/src/test/cpp/stackWalker_ut.cpp:47 and /home/runner/work/java-profiler/java-profiler/ddprof-lib/src/test/cpp/stackWalker_ut.cpp:61.

CI Run | test-matrix / test-linux-glibc-amd64 (11-j9, debug)     

🔧 Fix in code (Fix with Cursor).

2 failed tests in stackWalker_ut. Expected 0 but received 1 depth at /home/runner/work/java-profiler/java-profiler/ddprof-lib/src/test/cpp/stackWalker_ut.cpp:47 and expected 2 but received 3 depth at /home/runner/work/java-profiler/java-profiler/ddprof-lib/src/test/cpp/stackWalker_ut.cpp:61.

CI Run | test-matrix / test-linux-glibc-amd64 (17, debug)     

🔧 Fix in code (Fix with Cursor).

2 failed tests in stackWalker_ut.cpp: expected depth 0 but got 1, expected depth 2 but got 3, expected method_id 2 but got NULL.

View all 24 failed jobs.

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