log4j spring boot 4 autoinstrumentation

[lbloder]

📜 Description

💡 Motivation and Context

resolves: #5035

💚 How did you test it?

📝 Checklist

• I added GH Issue ID & Linear ID
• I added tests to verify the changes.
• No new PII added or SDK only sends newly added PII if sendDefaultPII is enabled.
• I updated the docs if needed.
• I updated the wizard if needed.
• Review from the native team if needed.
• No breaking change or entry added to the changelog.
• No breaking change for hybrid SDKs or communicated to hybrid SDKs.

🔮 Next steps

[sentry]

📲 Install Builds

Android

🔗 App Name	App ID	Version	Configuration
SDK Size	io.sentry.tests.size	8.41.0 (1)	release

⚙️ sentry-android Build Distribution Settings

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	313.06 ms	367.08 ms	54.02 ms
Size	0 B	0 B	0 B

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
319f256	322.02 ms	380.33 ms	58.30 ms
889ecea	367.58 ms	437.52 ms	69.94 ms
2195398	309.39 ms	354.53 ms	45.14 ms
72020f8	312.32 ms	370.94 ms	58.62 ms
62b579c	318.48 ms	367.71 ms	49.24 ms
62b579c	349.26 ms	426.26 ms	77.00 ms
dcc6bbf	382.58 ms	462.13 ms	79.54 ms
694d587	305.45 ms	378.38 ms	72.94 ms
6b019b7	343.31 ms	417.23 ms	73.91 ms
d364ace	411.72 ms	430.81 ms	19.10 ms

App size

Revision	Plain	With Sentry	Diff
319f256	1.58 MiB	2.19 MiB	619.79 KiB
889ecea	1.58 MiB	2.11 MiB	539.75 KiB
2195398	0 B	0 B	0 B
72020f8	1.58 MiB	2.19 MiB	620.21 KiB
62b579c	0 B	0 B	0 B
62b579c	0 B	0 B	0 B
dcc6bbf	1.58 MiB	2.12 MiB	553.10 KiB
694d587	1.58 MiB	2.19 MiB	620.06 KiB
6b019b7	0 B	0 B	0 B
d364ace	1.58 MiB	2.11 MiB	539.75 KiB

Previous results on branch: feat/log4j-autoinstrumentation

Startup times

Revision	Plain	With Sentry	Diff
ae1dd3f	312.10 ms	358.78 ms	46.67 ms

App size

Revision	Plain	With Sentry	Diff
ae1dd3f	0 B	0 B	0 B

[lbloder]

@sentry review

[lbloder]

cursor review

[cursor]

✅ Bugbot reviewed your changes and found no new issues!

Comment @cursor review or bugbot run to trigger another review on this PR

^{Reviewed by Cursor Bugbot for commit 7d76aa5. Configure here.}