[jira] Updated: (OFBIZ-2782) loadCartFromOrder assumes service call is successful

["Bob Morley (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/OFBIZ-2782?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bob Morley updated OFBIZ-2782:
------------------------------

    Attachment: loaderrorhandling.diff

> loadCartFromOrder assumes service call is successful
> ----------------------------------------------------
>
>                 Key: OFBIZ-2782
>                 URL: https://issues.apache.org/jira/browse/OFBIZ-2782
>             Project: OFBiz
>          Issue Type: Bug
>          Components: order
>    Affects Versions: SVN trunk
>            Reporter: Bob Morley
>         Attachments: loaderrorhandling.diff
>
>
> In ShoppingCartEvents.loadCartfromOrder a call to a service named "loadCartFromOrder" is performed.  If this service results in an error (but does not throw an exception) the system will retrieve a null ShoppingCart object and ultimately fail with a null reference exception.
> The simple change is to check that the service call was successful -- if it is not successful, the event sets the error message (from the service error message) and returns an error.  A patch file will be attached with the fix.
> *Note* I had added a helper function to ServiceUtil called "isSuccess" which is used here as well.  This removes the need for the "if (error || failure)" pattern that is pretty pervasive in the code.

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