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[BUG]: modelCache Error "Data for JSON serializer cannot be of type object" #14528

bain2018 opened this issue Nov 11, 2019 · 1 comment


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@bain2018 bain2018 commented Nov 11, 2019

Describe the bug
A clear and concise description of what the bug is.

// set a modelCache di

$di->setShared('modelsCache', function () {

$config = $this->getConfig();

$serializerFactory = new \Phalcon\Storage\SerializerFactory();
$adapterFactory    = new \Phalcon\Cache\AdapterFactory($serializerFactory);

$options = [
    'defaultSerializer' => 'Json',
    'lifetime'          => 7200,
    'host' => $config->redis->host,
    'port' => $config->redis->port,
    'auth' => $config->redis->auth,
    'index' =>1,

$adapter = $adapterFactory->newInstance('redis', $options);

return new \Phalcon\Cache($adapter);


find a result:
'key' => 'model-config',
'lifetime' => 3600247,

get error :
"Data for JSON serializer cannot be of type object"


#0 [internal function]: Phalcon\Storage\Serializer\Json->serialize()
#1 [internal function]: Phalcon\Storage\Adapter\AbstractAdapter->getSerializedData(NULL)
#2 [internal function]: Phalcon\Storage\Adapter\Redis->set('model-config', Object(Phalcon\Mvc\Model\Resultset\Simple), 604800)
#3 [internal function]: Phalcon\Cache->set('model-config', Object(Phalcon\Mvc\Model\Resultset\Simple), 604800)
#4 [internal function]: Phalcon\Mvc\Model\Query->execute()


  • Phalcon version:4.0 rc2
  • PHP Version: 7.3.11
  • Operating System: ubuntu
@niden niden added 4.0 Bug - High and removed Bug - Unverified labels Nov 11, 2019
@niden niden added this to To do in 4.0 Release via automation Nov 11, 2019
@niden niden moved this from To do to In progress in 4.0 Release Nov 11, 2019
niden added a commit that referenced this issue Nov 11, 2019
niden added a commit that referenced this issue Nov 11, 2019

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@niden niden commented Nov 11, 2019

Resolved in: #14529

@niden niden closed this Nov 11, 2019
4.0 Release automation moved this from In progress to Done Nov 11, 2019
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