Xojo web app crash on Linux in RuntimeThreadPlatformPOSIX.cpp

Dear all, I am getting a crash of a webapp with the following error:

2021r2.1 Linux Ubuntu 18.04. If this is important, the webapp uses the “shell” functions to run shell commands.

Runtime Error
Please report what caused this error along with the information below.
Common/ClassLib/RuntimeThreadPlatformPOSIX.cpp: 66
Failure Condition: err == 0
pthread_create: 11
Exception Message:
Exception Error Number: 0
An exception of class FunctionNotFoundException was not handled. The application must shut down.

That’s probably a place where a declare was used and the function it refers to doesn’t exist.

can i catch this with --logging? I as using logging but there is nothing about it.

No. the logging mechanism is all about the web server portion of the app. This error here:

An exception of class FunctionNotFoundException was not handled.

is what I was referring to. That’s due to a Declare to a function that doesn’t exist on your system.

How can I catch it? is there some extra info it can dump when this happens?

I do not use any external functions outside what Xojo provides, so how can I “Declare to a function that doesn’t exist on my system”?

Could you give some insight on what is a declare to a function that doesn’t exist on my system? You mean Xojo is trying to use something that doesn’t exist on my system (Ubuntu 18.04?)

I am sure I am not making any external calls if that is what you mean. thanks!

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