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From "Bill Lucy (JIRA)" <...@myfaces.apache.org>
Subject [jira] [Updated] (MYFACES-4066) FlowBuilderFactoryBean Concurrency Issue
Date Mon, 26 Sep 2016 19:13:20 GMT

     [ https://issues.apache.org/jira/browse/MYFACES-4066?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Bill Lucy updated MYFACES-4066:
-------------------------------
    Status: Patch Available  (was: Open)

> FlowBuilderFactoryBean Concurrency Issue
> ----------------------------------------
>
>                 Key: MYFACES-4066
>                 URL: https://issues.apache.org/jira/browse/MYFACES-4066
>             Project: MyFaces Core
>          Issue Type: Bug
>    Affects Versions: 2.2.11
>         Environment: WebSphere Liberty
>            Reporter: Bill Lucy
>            Assignee: Bill Lucy
>            Priority: Minor
>         Attachments: MYFACES-4066.patch
>
>
> I've come accross a concurrency issue in org.apache.myfaces.flow.cdi.FlowBuilderFactoryBean.getFlowDefinitions().
 If multiple applications (with programmatic flows) are starting up simultaneously, it's possible
that the two responsible threads can concurrently modify the shared object FlowBuilderFactoryBean.flowDefinitions.
 That can result in the flowDefinitions for one of the applications not being processed. 

> Synchronizing the getFlowDefinitions() method is the simplest fix for this issue.



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