奇怪的Doctrine EntityNotFoundException [英] Strange Doctrine EntityNotFoundException

问题描述

我遇到了Symfony和Doctrine问题的一个奇怪的行为，实际上发现可能与这个错误。

request.CRITICAL：未捕获PHP异常
Doctrine\ORM\EntityNotFoundException：未找到实体。在
/dev/vendor/doctrine/orm/lib/Doctrine/ORM/Proxy/ProxyFactory.php行
177 {exception：[object]
（Doctrine\ORM\\ \\ EntityNotFoundException（code：0）

提供一些代码示例：

  $ nextItems = $ this-> itemManager-> findNextItemByCatId（$ catId，2，$ allItems）; 
  

然后我分配两个返回的结果，如下所示：

  $输出[next] = $ nextItems [0]; 
 $ output [following] = $ nextItems [1]; 
  

然后实际上通过API返回。

但是，为了测试目的，我分配了随机值：

  $ output [next] =测试值1; 
 $ output [following] =测试值2; 
  

然后没有异常和错误发生，响应状态为200，如预期。 p>

任何想法在这里？

解决方案

我在这几个小时之内遇到困难，我找到了两个解决方案：

1. 应用原则解决方法，在758行的BasicEntityPersister

更改：

 返回$实体？ $ entities [0]：null; 
  

to：

 code> return $ entities？ $ entities [0]：$ entity; 
  
 
 
 
 
 
重新生成symfony bootstrap缓存： / p> 
 
 
  composer run-script post-update-cmd --no-dev 
  pre> 
 
 
 
 
为2我还将mysql升级到5.6 
 
 
 
 
 
 
I came across a strange behavior with Symfony and Doctrine issue, which actually found out that may be related to this bug. 

  
request.CRITICAL: Uncaught PHP Exception
  Doctrine\ORM\EntityNotFoundException: "Entity was not found." at
  /dev/vendor/doctrine/orm/lib/Doctrine/ORM/Proxy/ProxyFactory.php line
  177 {"exception":"[object]
  (Doctrine\ORM\EntityNotFoundException(code: 0)
To provide some code samples:
$nextItems = $this->itemManager->findNextItemByCatId($catId, 2, $allItems);
and then I am assigning the two returned results, as follows:
$output["next"] = $nextItems[0];
$output["following"] = $nextItems[1];
which then are actually returned via an API.

However, when -for testing purposes- I assign random values:
$output["next"] = "Test value 1";
$output["following"] = "Test value 2";
then no exception and error occurs and the response status is 200, as expected.

Any ideas here?
解决方案
I struggled with this a few hours then i found two solutions:

apply doctrine workaround, at line 758 of BasicEntityPersister
change: 
    return $entities ? $entities[0] : null;
to: 
    return $entities ? $entities[0] : $entity;



regenerate symfony bootstrap cache:
composer run-script post-update-cmd --no-dev



for 2  i also upgraded mysql to 5.6



                        
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