Website unreachable during deploy about symfony HOT 3 CLOSED

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I’ve also seen this problem time to time. I always assumed it was a class loader cache problem. So I got this error for some requests between deploy and my “post deploy cache clear hook”.

What did you find?

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So i did take some time to fix this but my problem was linked to another problem : See here

As explained, my case was that i used a third party bundle which needed a writable cache folder at runtime. Later on i was setting acl for my cache folder after composer install, which was too late.
To solve this I manually create the cache folder before composer install and gives it the correct access rights. This seems to work correctly.

There might be better solutions.

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