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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SYNCOPE-1301) Token creation is not threadsafe
Date Thu, 12 Apr 2018 15:58:00 GMT

    [ https://issues.apache.org/jira/browse/SYNCOPE-1301?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16435830#comment-16435830
] 

ASF GitHub Bot commented on SYNCOPE-1301:
-----------------------------------------

Github user IsurangaPerera commented on the issue:

    https://github.com/apache/syncope/pull/70
  
    Yes, that's why we have to see it from a different perspective.
    The initial state doesn't change the logic of replaceExisting == true
    But it partially affects replaceExisting == False (This affects only if the thread safe
problems occur). This means when the issue syncope-1301 occurs instead of creating a new token
for the same user this will replace the existing one (rare situation)


> Token creation is not threadsafe
> --------------------------------
>
>                 Key: SYNCOPE-1301
>                 URL: https://issues.apache.org/jira/browse/SYNCOPE-1301
>             Project: Syncope
>          Issue Type: Bug
>          Components: core
>    Affects Versions: 2.0.8
>            Reporter: Isuranga Perera
>            Priority: Major
>             Fix For: 2.0.9, 2.1.0
>
>
> Token create method in AccessTokenDataBinderImpl[1] is not thread safe. This could result
in several problems including
>  * Exist 2 different access token for a particular user at a given time which may result
in an exception thrown by method call[2] since it expects a single token a given user.
> In addition to that token replace is implemented as a combination of 2 different functionalities.
Since the method is not thread safe this may cause some unexpected behaviors (since there
can be 2 tokens exist for a particular user. same scenario as above).
> [1] [https://github.com/apache/syncope/blob/master/core/provisioning-java/src/main/java/org/apache/syncope/core/provisioning/java/data/AccessTokenDataBinderImpl.java#L104]
> [2] [https://github.com/apache/syncope/blob/master/core/provisioning-java/src/main/java/org/apache/syncope/core/provisioning/java/data/AccessTokenDataBinderImpl.java#L113]



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