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OCI Functions as a Service (FaaS) - How to Troubleshoot Common Issues while Invoking Oracle Functions (Doc ID 2897925.1)

Last updated on NOVEMBER 01, 2022

Applies to:

Oracle Cloud Infrastructure - Functions As A Service - Version N/A to N/A
Information in this document applies to any platform.

Purpose

This article explains how to troubleshoot the following common issues faced while invoking Oracle Functions (FaaS):

Troubleshooting Steps

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In this Document
Purpose
Troubleshooting Steps
 Invoking a function returns a FunctionInvokeRequestContentTooLarge message and a 413 error
 Invoking a function returns a TooManyRequests message and a 429 error
 Invoking a function causes the client to report a timeout, and a 444 error is shown in the function's logs
 Invoking a function returns a Function failed message and a 502 error
 Invoking a function returns a FunctionInvokeSyslogUnavailable message and a 502 error
 Invoking a function returns a FunctionInvokeImageNotAvailable message and a 502 error
 Invoking a function returns a FunctionInvokeSubnetOutOfIPs message and a 502 error
 Invoking a function returns a FunctionInvokeSubnetNotAvailable message and a 502 error (due to a subnet issue)
 Invoking a function returns a FunctionInvokeSubnetNotAvailable message and a 502 error (due to a DHCP Options issue)
 Invoking a function returns a FunctionInvokeResponseBodyTooLarge message and a 502 error
 Invoking a function returns a FunctionInvokeResponseHeaderTooLarge message and a 502 error
 Invoking a function returns a FunctionInvokeTooManyMatchingDGs message and a 502 error
 Invoking a function returns a FunctionInvokeExecutionError message and a 502 error
 Invoking a function returns a FunctionInvokeExecutionFailed message and a 502 error
 Invoking a function returns a FunctionInvokeInvalidResponse message and a 502 error
 Invoking a function returns a FunctionInvokeServiceUnavailable message and a 503 error
 Invoking a function returns a FunctionInvokeContainerInitFail error message, a 504 error, and a 'ModuleNotFoundError: No module named 'contextvars'' log message
 Invoking a function returns FunctionInvokeContainerInitFail and 'Container initialization timed out' messages, and a 504 error
 Invoking a function returns a FunctionInvokeTimeout message and a 504 error
 Invoking a function returns a FunctionInvokeContainerInitTimeout message and a 504 error
 Invoking a function returns a FunctionInvokeImagePullTimeout message and a 504 error

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