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2025-04-06 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Internet Technology >
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Editor to share with you the solution to the error caused by the downward incompatibility of Composer2.0. I hope you will get something after reading this article. Let's discuss it together.
Downward incompatibility of Composer 2.0 causes extension installation error
Recently, when you were deploying a server environment, you encountered a problem caused by the backward incompatibility of the Composer version. Record it.
Problem description
The background Api application is developed using ThinkPHP6.0 's multi-application mode, and when it is first deployed, it is always prompted that the controller cannot be found.
I was quite depressed at that time, how could I not find the controller? This exception usually occurs only when multi-application mode is not enabled, but it is clear that multi-application mode has been enabled and related extensions have been installed (Composer 2.0.x executes composer install without throwing an exception directly).
Just when I was puzzled, I inadvertently noticed that the version of Composer I am currently using is 2.0.x.
I looked back and compared my local version: 1.8 Composer found out that the Google 2.0 series was recently released, so I immediately thought about whether it was caused by the downward incompatibility of Composer.
Boy, it's really the compatibility problem:
Solution.
Since it is the compatibility problem caused by the high version, it is easy to reduce the version directly.
Downgrading Composer is very simple. You don't need to recompile and install it. You can simply use the following command:
Composer self-update 1.8.0
If you don't know which versions to choose from, you can check the official release history.
After reading this article, I believe you have a certain understanding of "the solution to the installation error caused by the downward incompatibility of Composer2.0". If you want to know more about it, please follow the industry information channel. Thank you for reading!
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