Build Java SDK e2e example bundles natively in CI#69794
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The java_sdk e2e mode and the lang-SDK k8s test solved the same cold-build problem two different ways (containerized Gradle with a repo-local cache vs host toolchain with salted home-dir caches), which a review follow-up on apache#69239 asked to reconcile. Converge the e2e mode on the apache#69411 native-toolchain convention: CI provisions the JDK with actions/setup-java and caches ~/.gradle, dropping the per-run eclipse-temurin image pull and the --network=host Gradle lock-handover workaround; local runs keep the containerized build so a dev host still needs no JDK.
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The java_sdk e2e mode and the lang-SDK k8s test solved the same cold-build problem two different ways (containerized Gradle with a repo-local cache vs host toolchain with salted home-dir caches), which a review follow-up on apache#69239 asked to reconcile. Converge the e2e mode on the apache#69411 native-toolchain convention: CI provisions the JDK with actions/setup-java and caches ~/.gradle, dropping the per-run eclipse-temurin image pull and the --network=host Gradle lock-handover workaround; local runs keep the containerized build so a dev host still needs no JDK.
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related:
Why
#69239 (java_sdk e2e mode) and #69411 (lang-SDK k8s test) solved the same cold-Gradle-build problem two different ways: containerized builds with a repo-local cache vs. host-toolchain builds with salted home-dir caches.
This converges the e2e
java_sdkmode on the #69411 native-toolchain convention.How
LANG_SDK_NATIVE_TOOLCHAIN=true(the same switch the k8s job uses) so the conftest invokes the host./gradlewinstead ofdocker run eclipse-temurin:17-jdk— the build helpers take anativeflag mirroring the Speed up lang-SDK k8s test by building Go/Java natively in CI #69411 k8s helpers. This drops the per-run toolchain-image pull and the container workarounds (--network=hostlock handover,HOMEoverride). Local runs keep the containerized build, so a dev host still needs no JDK.actions/setup-java, versioned by the existingjava-sdk-versionbuild-info output, ask8s-tests.ymlalready does.~/.gradlewith a salted key (e2e-java-sdk-gradle-v1-, bump to invalidate), kept separate from the k8s job's key since the e2e tree carries ~1GB of Spark the k8s job never needs.Was generative AI tooling used to co-author this PR?