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I have a extension which runs with parameter no_cache=1 t ensure i always have fresh data. There is a strange behaviour. After a certain while (for example a night) the call of a showAction brings the error: 

An error occurred while trying to call XYZ showAction()

My Controller Action has already @dontvalidate $component.

Using the script of oliver (https://gist.github.com/oliverthiele/f1550a246dd8726ef136) shows up an error

The given subject was NULL

If I log in into the Typo3 Backend, cleanup all Caches and reload the page which previousely hat the error above everything is fine. Do I have a Cache Issue or do I have a validation issue?

metaxos
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1 Answers1

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After some more investigation we're almost sure the problem was coming from the ldap extension (ig_ldap_sso_auth). The "error" only occured on properties extending FE-Users, the following post may help: https://forge.typo3.org/issues/71265

Since the fix is applied the error newer came up again.

metaxos
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