[KAFKA-16768] socketServer leaks accepted socketChannel instances due to race… #21197
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Description
Fix SocketChannel leak during shutdown (KAFKA-16768): reject accepted connections if the target Processor is shutting down and close the channel to avoid leaking SocketChannel instances.
Changes
shouldRunand returnsfalseif the processor is shutting down.connectionQuotas.closeChannel(this, listenerName, socketChannel)so the socket is closed and bookkeeping is corrected.