mirror of https://github.com/grpc/grpc-java.git
6fc3fd0462
When bidirectional keep-alive is enabled (both client and server sending keep-alive pings), the server incorrectly validates ping acknowledgments (ACKs) sent in response to server-initiated pings. This causes the KeepAliveEnforcer strike counter to increment for legitimate protocol responses, eventually triggering a GO_AWAY with ENHANCE_YOUR_CALM. Move the keepAliveEnforcer.pingAcceptable() check inside the !ack conditional block, so only client-initiated ping requests are validated. Ping ACKs now bypass enforcement entirely, enabling bidirectional keep-alive to work correctly. Fixes #12417 |
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