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Drop the unused netty-reactive-streams jars - #507
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The com.typesafe.netty netty-reactive-streams and netty-reactive-streams-http 2.0.8 jars in aws/ext/netty hold an implementation of the Reactive Streams interfaces for Netty. netty-nio-client includes its own copy of that implementation under software.amazon.awssdk.http.nio.netty.internal.nrs, credited in its NOTICE, so the separate jars are no longer used. The copy covers every class of the two jars except the server and WebSocket ones (HttpStreamsServerHandler, WebSocketHttpResponse and DefaultWebSocketHttpResponse), which an HTTP client does not need. No class in any other jar of the distribution references com.typesafe.netty, and no service or configuration file names it. Remove them from the catalog, the server bundle and the vendored layout. reactive-streams stays: it holds the interfaces being implemented (Publisher, Subscriber, Subscription), which netty-nio-client and the SDK core still use. Checksums regenerated with a cold cache per CONTRIBUTING.md. Assisted-by: Claude:claude-opus-5-5 Signed-off-by: Tony Germano <tony@germano.name>
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Summary
The server ships
com.typesafe.netty:netty-reactive-streamsandnetty-reactive-streams-http2.0.8 inserver-lib/aws/ext/netty, but nothing uses them. They hold an implementation of the Reactive Streams interfaces for Netty, and the AWS SDK's netty-nio-client includes its own copy of that implementation undersoftware.amazon.awssdk.http.nio.netty.internal.nrs, credited in its NOTICE. The copy covers every class of the two jars except the server and WebSocket ones (HttpStreamsServerHandler,WebSocketHttpResponse,DefaultWebSocketHttpResponse), which an HTTP client doesn't need. This PR removes the two jars.gradle/libs.versions.toml: removes the version, both libraries and their server bundle entries.gradle/vendored-layout.json: removes theiraws/ext/nettymappings.gradle/verification-metadata.xml: regenerated with a cold cache, as CONTRIBUTING.md describes. The only change is the three removedcom.typesafe.nettyentries (the two jars and the parent POM).org.reactivestreams:reactive-streamsstays: it holds the interfaces being implemented (Publisher,Subscriber,Subscription), which netty-nio-client and the SDK core still use.The jars were already unused before #506: netty-nio-client 2.20.140, the version before it, also uses its internal copy. Now that #506 has merged,
mainhas netty-nio-client 2.55.12, which doesn't referencecom.typesafe.nettyeither. This PR is rebased on it, so the earlier possible conflict with #506 no longer applies.This PR intentionally leaves
renovate.jsonalone. The netty group there still listscom.typesafe.netty*, but nothing in the catalog matches it any more, so it has no effect. #553 removes the whole group, and editing the same lines here would conflict with it.Testing
Claude checked:
./gradlew clean build dist: all 722 tests pass. After Upgrade the AWS SDK to 2.55.12, realign Jackson on 2.18.11 and upgrade Swagger to 2.2.41 #506 merged, the change was applied on top of it and the full build, with tests, passed again.mainbefore Upgrade the AWS SDK to 2.55.12, realign Jackson on 2.18.11 and upgrade Swagger to 2.2.41 #506: none referencescom/typesafe/netty. NoMETA-INF/servicesfile, configuration file or nested archive names it either.com/typesafe/netty.server-lib/aws/ext/nettyno longer contains the two jars and is otherwise unchanged.Release notes
server-lib/aws/ext/netty.🤖 Drafted with Claude Code