[romtsn]

PR Stack (Sample Tests)

• test(spring-boot): [Sample Tests 41] Drop Spring Boot 2.4 to 2.6 from the test matrix #6381 (base: main)
• test(spring): [Sample Tests 42] Run each Spring Boot matrix version as its own Gradle task #6382 (base: test(spring-boot): [Sample Tests 41] Drop Spring Boot 2.4 to 2.6 from the test matrix #6381)
• test(spring): [Sample Tests 43] Compile the Spring modules against their oldest Spring Boot version #6383 (base: test(spring): [Sample Tests 42] Run each Spring Boot matrix version as its own Gradle task #6382)
• This PR (base: test(spring): [Sample Tests 43] Compile the Spring modules against their oldest Spring Boot version #6383)

The earlier stack PRs (#6266 to #6332) are merged.

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📜 Description

This fixes issues that a review of the merged Sample Tests stack found in the new end-to-end tests. Each issue came from the stack itself; none existed before it.

• MockSentryServer surfaces bodies it can't read. Before, a deserialization error left the handler with no trace, and the test only failed on its timeout ("received N envelopes"). The server now answers 500, keeps the error, and awaitEnvelope / assertNoEnvelope rethrow it as the cause.
• ChildJvmApp.awaitPort waits for a stable port. Neither Spring Boot's WebServerPortFileWriter nor HelloServer writes the file atomically, and a partial read such as "54" of "54321" parses. The port now counts only when two reads agree.
• AgentlessEndToEndTest checks the OpenTelemetry wiring. Before, it only used the Sentry API, so it passed when the span factory fell back to the default one. It now starts a span through GlobalOpenTelemetry and asserts that the span arrives as a Sentry transaction with the same trace ID.
• Person tests no longer match the tracing tests' envelopes. DistributedTracingIntegrationTest calls /tracing/1, which calls /person/1 and sends the same id=1 event, error and GET /person/{id} transaction that PersonIntegrationTest waits for. The Person tests now use id 11, as the Spring WAR suites do, and match their transaction by request URL.
• The Boot 2 Kafka test shares the suite's context. Its second context ran Sentry.init again and replaced the first context's options, which made later test classes depend on the run order. The split existed because Boot 2.4 to 2.6 had no Kafka support, and test(spring-boot): [Sample Tests 41] Drop Spring Boot 2.4 to 2.6 from the test matrix #6381 dropped them. Boot 2 now has the same setup as Boot 3 and 4: @EmbeddedKafka on the shared base class and no kafka profile. The ${random.uuid} datasource workaround is gone too.
• Missing test system properties fail clearly. An IDE run without the Gradle task got -javaagent:null or silently chose the starter init mode. The new helper requiredTestProperty names the missing property.
• Cleanup:
  • Remove the Boot 2 version gating (excludeGraphql/excludeKafka, springBoot2Supports*) from the 4 Boot 2 samples. test(spring-boot): [Sample Tests 41] Drop Spring Boot 2.4 to 2.6 from the test matrix #6381 made it dead code.
  • Remove the Python runner's files from .gitignore.
  • Remove the unused jackson-kotlin catalog entry.
  • The test skill now runs integration suites when it gets only a module name.

💡 Motivation and Context

These are follow-ups from a review of the Sample Tests stack (#6266 to #6332).

I left these out on purpose:

• No OS guard for the async-profiler tests. CI runs only on Linux, and the existing JavaContinuousProfilerTest has no guard either.
• Child JVM output still goes to the console. The ChildJvmApp KDoc says this is intended, so that Gradle's report shows the app log with the test.
• The OTLP suite sets sentry.traces-sample-rate=1.0 together with OTLP. The open question from test(spring-boot): [Sample Tests 37] Move the Boot 4 OTLP sample's tests into the module #6329 still needs an answer.

💚 How did you test it?

I ran these with JDK 21, and all 205 tests passed:

• :sentry-test-support:test, which includes a new test that posts a body that is not an envelope
• :sentry-opentelemetry:sentry-opentelemetry-agentless:test and :sentry-opentelemetry:sentry-opentelemetry-agent:test
• :sentry-spring-boot:integrationTest, integrationTestOtelNoAgent and integrationTestOtelAgent
• :sentry-spring-boot-jakarta:integrationTest and integrationTestOtelAgentWithoutAutoInit
• :sentry-spring-boot-4:integrationTest, integrationTestOtlp and integrationTestOtelNoAgent

I also compiled the 4 changed Boot 2 samples (compileKotlin).

📝 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.
• Public API changes reviewed by another Mobile SDK team member or implemented according to the develop docs spec.

🔮 Next steps

None.

#skip-changelog

🤖 Generated with Claude Code

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🔗 App Name	App ID	Version	Configuration
SDK Size	io.sentry.tests.size	8.62.0 (1)	release

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