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I have a strange issue which I think I narrowed down to observers occasionally not being triggered.

Situation:

An Observer for sales_order_invoice_save_before (in the global node), serializes some custom attributes. In most cases, this works fine, but in ~5% of the cases I get the string Array in sales_flat_order_invoice, as if the observer was not triggered.

I did not find out yet, what these orders/invoices have in common, but I want to be sure that I am on the right track and the issue isnt't somewhere else.

Question:

In which cases is it possible that models are saved without dispatching their {$eventPrefix}_save_before event? I can only imagine raw SQL queries but maybe I am missing something?

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  • {$eventPrefix}_save_before is hardcoded in Mage_Core_Model_Abstract::_beforeSave. So, unless you override _beforeSave completely for a given model class, I don't think this is possible.
    – laketuna
    Jul 16, 2015 at 16:15
  • Can you find a common pattern for those 5% of the invoices?
    – Marius ♦
    Jul 16, 2015 at 20:04
  • Can you post here the observer method and the config.xml definition? Does your module have the proper depends node in the module definition file from app/etc/modules?
    – Adi
    Aug 2, 2015 at 15:10
  • It looks like this error has another reason. I'll leave the question open in case somebody has a general answer, but I eventually solved my problem in a different way, case closed.
    – Fabian Schmengler
    Aug 20, 2015 at 7:08

2 Answers 2

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What I suggest you is, override the event into any extension or include that file into local and then change the code according to your requirement.

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It looks like this is actually not possible. The observed behavior might have been a side effect of another observer that was registered for the same event.

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