[help] CakePHP 3 - associated entities not coming through from find() (or get) even with contain clause

[Ernesto Borio]

Some associated data is not coming through, although it's in the contain
 clause.

I can get $project->Participants if I set a belongsToMany relationship in 
the Projects table, relating to Participants through ProjectParticipants, 
but that way I still can't reach other tables associated with 
ProjectParticipants even with 
$project->participants->_joinData->other_related_table

How would I do to get ProjectParticipants and Participants with the same 
query?

Code:

// Database: Projects <--1:N-- ProjectParticipants --M:1--> Participants
// ProjectController:
$project = $this->Projects->get($id, ['contain'=>[
'ProjectParticipants.Participants']);// ProjectsTable:
$this->hasMany('ProjectParticipants', [
'foreignKey' => 'project_id']);// ProjectParticipantsTable:
$this->belongsTo('Participants', [
'foreignKey' => 'participant_id']);


Thanks!

http://stackoverflow.com/questions/32634856/cakephp3-associated-entities-not-coming-through-from-find-or-get-even-with-c

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Table's save() fails, where to get the error message? (other than validation errors)

[Ernesto Borio]

I can't find in the documentation how to collect error messages (other than 
validation errors) for when a table's save() or delete() fail, how is it 
done?

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