[TYPO3-mvc] Very strange "serialize Domain Object" error

[g4-lisz at tonarchiv.ch]

On 30.09.2011 00:49, g4-lisz at tonarchiv.ch wrote:
> On 09/27/2011 06:35 PM, g4-lisz at tonarchiv.ch wrote:
>> Hi there
>>
>> I have a very stange behaviour with one of my actions:
>>
>> public function resultsAction(Tx_Myext_Domain_Model_SearchDemand 
>> $demand) {
>>   $paginate = new Tx_Myext_Domain_Model_Paginate();
>>   $paginate -> setPage($_REQUEST['page']);
>>   $paginate -> setRecordsPage(5);
>>   $paginate -> setRecordsAll(45); <<==
>>   //$paginate -> setRecordsAll( 
>> $GLOBALS["TSFE"]->fe_user->getKey("ses","recordsAll"));
>>
>>   $assignments['paginate'] = $paginate;
>>   $assignments['demand'] = $demand;
>>   $assignments['entfernungs'] = 
>> $this->entfernungRepository->findDemanded($demand, $paginate);
>>
>>   $this->view->assignMultiple($assignments);
>> }
>>
>> When i comment out the line "$paginate -> setRecordsAll(45);" then 
>> there is no error.
>>
>> When i leave this line, i get the error: "Could not serialize Domain 
>> Object Tx_Myext_Domain_Model_SearchDemand. It is neither an Entity 
>> with identity properties set, nor a Value Object."
>>
>> Tx_Myext_Domain_Model_Paginate object method has side effects on 
>> Tx_Myext_Domain_Model_SearchDemand object?!? Looks to me like a bug...
>>
>> On the same page i use another (prior) content plugin with this action:
>>
>> public function demandAction(Tx_Myext_Domain_Model_SearchDemand 
>> $demand) {
>>   $recordsAll = $this->entfernungRepository->countDemanded($demand);
>>   $GLOBALS["TSFE"]->fe_user->setKey("ses", "recordsAll", $recordsAll);
>>   $this->view->assignMultiple(array('count' => $recordsAll, 'demand' 
>> => $demand));
>> }
>>
>> Any help would be much appreciated!
>>
> Not solved yet...
>
> I filed a bug report here: http://forge.typo3.org/issues/30370
>
> Cheers,
> Till
>
Any idea on how to debug this? Issues like this one make the whole 
project unusable on a productive system...

Cheers,
Till