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chrislu
d6f688a44f
PARTIAL FIX: Force kafka-go to use Metadata v4 instead of v6 ## Issue Identified: - kafka-go was using Metadata v6 due to ApiVersions advertising v0-v6 - Our Metadata v6 implementation has format issues causing client failures - Sarama works because it uses Metadata v4, not v6 ## Changes: - Limited Metadata API max version from 6 to 4 in ApiVersions response - Added debug test to isolate Metadata parsing issues - kafka-go now uses Metadata v4 (same as working Sarama) ## Status: - ✅ kafka-go now uses v4 instead of v6 - ❌ Still has metadata loops (deeper issue with response format) - ✅ Produce operations work correctly - ❌ ReadPartitions API still fails ## Next Steps: - Investigate why kafka-go keeps requesting metadata even with v4 - Compare exact byte format between working Sarama and failing kafka-go - May need to fix specific fields in Metadata v4 response format This is progress toward full kafka-go compatibility but more investigation needed.