Failed to send data to X-Ray daemon. OSError: [Errno 90] Message too long

See original GitHub issue

I am trying to use aws-lambda-powertools in my lambda function and when I run my lambda function, it came out with this error but my lambda function still able to run and complete. I suppose version 1.17.0 has already included streaming_threshold=0 but I would still get the same error with Message too long.

What were you trying to accomplish? I would like to know if there is anyway to fix this issue without disabling x-ray tracing in my lambda function. What configuration or workaround I can have?

Environment

Powertools version used: 1.17.0
AWS Lambda function runtime:: Python 3.7

Logs

[ERROR]	2021-06-11T16:37:43.245Z	e949c1fb-fb68-41c3-a77d-736cef47ec04	Failed to send entity to Daemon.
Traceback (most recent call last):
  File "/opt/python/aws_xray_sdk/core/emitters/udp_emitter.py", line 41, in send_entity
    self._send_data(message)
  File "/opt/python/aws_xray_sdk/core/emitters/udp_emitter.py", line 63, in _send_data
    self._socket.sendto(data.encode('utf-8'), (self._ip, self._port))
OSError: [Errno 90] Message too long

Issue Analytics

State:
Created 2 years ago
Comments:6 (3 by maintainers)

Top GitHub Comments

3reactions

heitorlessacommented, Jun 14, 2021

I was thinking this over the weekend and one possibility is that the response returned by the handler or decorated function is bigger than 64K it reproduces this issue - that’s because we automatically serialize and capture response and exceptions from decorated functions.

If that’s the case, could you try disabling this feature to see if that solves it?

Docs: https://awslabs.github.io/aws-lambda-powertools-python/latest/core/tracer/#disabling-response-auto-capture

from aws_lambda_powertools import Tracer

@tracer.capture_method(capture_response=False)
def fetch_sensitive_information():
    return "sensitive_information"

@tracer.capture_lambda_handler(capture_response=False)
def handler(event, context):
    sensitive_information = fetch_sensitive_information()

Thank you!

2reactions

ShengHow95commented, Jun 15, 2021

Alright cool. Thanks alot for your assistance @heitorlessa!

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