Spring Boot cache integration POC

[adinauer]

📜 Description

💡 Motivation and Context

💚 How did you test it?

📝 Checklist

• I reviewed the submitted code.
• 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.
• 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

[github-actions]

	Fails
🚫	Please consider adding a changelog entry for the next release.

	Messages
📖	Do not forget to update Sentry-docs with your feature once the pull request gets approved.

Instructions and example for changelog

Please add an entry to CHANGELOG.md to the "Unreleased" section. Make sure the entry includes this PR's number.

Example:

## Unreleased

- Spring Boot cache integration POC ([#3457](https://github.com/getsentry/sentry-java/pull/3457))

If none of the above apply, you can opt out of this check by adding #skip-changelog to the PR description.

Generated by 🚫 dangerJS against beab210

[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	421.56 ms	499.07 ms	77.51 ms
Size	1.70 MiB	2.28 MiB	592.12 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
d6d2b2e	392.55 ms	467.50 ms	74.95 ms
c7e2fbc	393.98 ms	478.24 ms	84.27 ms
4e260b3	388.40 ms	468.98 ms	80.58 ms
28c9a83	366.20 ms	433.88 ms	67.67 ms
baaf637	418.39 ms	496.86 ms	78.47 ms
283d83e	416.81 ms	497.22 ms	80.41 ms
283d83e	348.44 ms	392.06 ms	43.62 ms
0bf143e	368.35 ms	437.47 ms	69.12 ms
86f0096	368.63 ms	446.92 ms	78.29 ms
619c9b9	428.23 ms	514.66 ms	86.43 ms

App size

Revision	Plain	With Sentry	Diff
d6d2b2e	1.72 MiB	2.27 MiB	555.05 KiB
c7e2fbc	1.72 MiB	2.29 MiB	576.40 KiB
4e260b3	1.72 MiB	2.27 MiB	554.95 KiB
28c9a83	1.70 MiB	2.28 MiB	592.00 KiB
baaf637	1.72 MiB	2.27 MiB	558.42 KiB
283d83e	1.72 MiB	2.29 MiB	577.69 KiB
283d83e	1.72 MiB	2.29 MiB	577.69 KiB
0bf143e	1.72 MiB	2.29 MiB	576.50 KiB
86f0096	1.72 MiB	2.29 MiB	576.50 KiB
619c9b9	1.70 MiB	2.28 MiB	592.12 KiB

[adinauer]

If no key config is defined, @Cacheable will use the object itself as key, so beware of sending PII to Sentry.

[adinauer]

We've just implemented some methods here to showcase how this works. The rest still needs to be implemented.

[adinauer]

Could also do this in a bean post processor to support the default bean. We'll consider the bean post processor approach but might end up integrating this into our POTel offering.