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fix kafka decoding error blocking consumption #390

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Merged
mirceaulinic merged 1 commit into from
Feb 9, 2026
Merged

fix kafka decoding error blocking consumption #390

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10 changes: 8 additions & 2 deletions napalm_logs/listener/kafka.py
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Original file line number Diff line number Diff line change
Expand Up @@ -71,14 +71,20 @@ def receive(self):
raise ListenerException(error)
log_source = msg.key
if isinstance(log_source, bytes):
log_source = log_source.decode()
try:
log_source = log_source.decode()
except UnicodeDecodeError:
log.error("Unable to decode log source: %s", msg.key)
return "", ""
try:
decoded = json.loads(msg.value.decode("utf-8"))
except ValueError:
log.error("Not in json format: %s", msg.value.decode("utf-8"))
return "", ""
log_message = decoded.get("message")
log.debug("[%s] Received from kafka %s from %s", log_message, log_source, time.time())
log.debug(
"[%s] Received from kafka %s from %s", log_message, log_source, time.time()
)
return log_message, log_source

def stop(self):
Expand Down
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