dajac commented on a change in pull request #9741:
URL: https://github.com/apache/kafka/pull/9741#discussion_r542214014
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File path: clients/src/main/java/org/apache/kafka/common/protocol/ApiKeys.java
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@@ -178,15 +175,7 @@
DescribeGroupsResponseData.SCHEMAS),
LIST_GROUPS(16, "ListGroups", ListGroupsRequestData.SCHEMAS,
ListGroupsResponseData.SCHEMAS),
SASL_HANDSHAKE(17, "SaslHandshake", SaslHandshakeRequestData.SCHEMAS,
SaslHandshakeResponseData.SCHEMAS),
- API_VERSIONS(18, "ApiVersions", ApiVersionsRequestData.SCHEMAS,
ApiVersionsResponseData.SCHEMAS) {
- @Override
- public Struct parseResponse(short version, ByteBuffer buffer) {
- // Fallback to version 0 for ApiVersions response. If a client
sends an ApiVersionsRequest
- // using a version higher than that supported by the broker, a
version 0 response is sent
- // to the client indicating UNSUPPORTED_VERSION.
- return parseResponse(version, buffer, (short) 0);
Review comment:
@dengziming Do we maintain this fallback mechanism somewhere?
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