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Error(No module named '_cffi_backend') #4

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heydenb opened this issue Jan 3, 2022 · 7 comments
Closed

Error(No module named '_cffi_backend') #4

heydenb opened this issue Jan 3, 2022 · 7 comments

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@heydenb
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heydenb commented Jan 3, 2022

Dear,

I get following error when I want to use this plugin on my Linux AG.
I see that there is an "so" file included regarding cffi backend. Does that need to go somewhere?

Thanks,
Bert

@heydenb
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heydenb commented Jan 4, 2022

I rebuild the plugin with Python 3.8. Since that is the new version now. Not I get this error when the plugin loaded:
Error(cffi library '_openssl' has no function, constant or global variable named 'Cryptography_HAS_TLSv1_3_FUNCTIONS')

Maybe something changed in the cryptography module.

@jshuff27
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Same issue here. ActiveGates updated to 1.231.246 today which include Python 3.8. Got this error right away, Error(No module named '_cffi_backend')

@heydenb
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heydenb commented Jan 21, 2022

I have build the plugin on an python 3.8 virtualenv and it works for me now. I added the package here so everyone can use it.
custom.remote.python.certcheck.zip

@reinhard-brandstaedter
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Thanks Bert! Awesome!

@heydenb
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heydenb commented Jan 25, 2022

And here is a version which was build on CentOs 7.9. The previous one complainted about a missing GLIBC_2.18.
custom.remote.python.certcheck.zip

@reinhard-brandstaedter
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@jshuff27 is this fixed for you with the latest release?

@jshuff27
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jshuff27 commented Feb 3, 2022

It sure is. We actually had to give it a week before Dynatrace stopped flapping between 'OK' and 'Error on _cffi_backend'. It was like even though i changed what AG to run on, DT was still trying to run it on the old ones. It was a DT issue, everything is stable now.

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