php - Laravel DB::transaction not rolling back on exception -

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I have this small problem with Laravel 4.2 and DB :: transactions. I had a problem with the transaction which was not being brought back, so I tried to snippet the code the easiest and put it in the routes for testing purposes. Php:

routes.php: 

  DB :: transaction (task () ($ user = app :: build ("user"); $ user-> gt; ; Save (); Throw a new exception ("Do not create user");}); ... ... ... some other code here   
 Just within the closing of the transaction Trying to create a user and after creating the user, I make an exception to force the rollback of the transaction. My problem is that you throw exceptions, I do not roll, whenever I refresh the app, every time I am getting a new user in the database, the same code works for the purpose of a local machine, but I am planning to use it for production on the server Do not roll back the transaction. Do you have any ideas?  
 Edit:  
 Server MySql: 5.1.73-cll - MySQL Community Server (GPLv2) < / P> 
 Server PHP: PHP 5.4.30 (CLI) (Local Local Created 1: 5.5.9  
 Local MySql: 5.6.16  
 The server is sitting on the centers, while the local machine is Windows 7.   
 
 
 So I am answering my question. InnoDb was not a default storage engine until MySql 5.5. In my case MYISAM was the default storage engine and did not support the transaction. What I had to do was Ennobi-enabled in my CPNL server installation of MySQL, I had to make sure that each of my Laurellal migration was made with the Indobi engine. I did this by adding:  
  $ table-> Engine = "indibe"; On each migration file   
 Once all the tables were installed with the Inodb engine, work with the purpose of the transaction.

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