From ee4a53e9e5ae93231d6f7010f263b30a9924dabb Mon Sep 17 00:00:00 2001 From: Filip Stefanak Date: Thu, 21 Mar 2019 15:39:08 +0100 Subject: Fix race condition in protocol.send_bytes (#1752) --- kafka/conn.py | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kafka/conn.py b/kafka/conn.py index e857d0a..28f9f3c 100644 --- a/kafka/conn.py +++ b/kafka/conn.py @@ -790,7 +790,8 @@ class BrokerConnection(object): if self.state not in (ConnectionStates.AUTHENTICATING, ConnectionStates.CONNECTED): return Errors.NodeNotReadyError(str(self)) - data = self._protocol.send_bytes() + with self._lock: + data = self._protocol.send_bytes() try: # In the future we might manage an internal write buffer # and send bytes asynchronously. For now, just block -- cgit v1.2.1