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https://issues.apache.org/jira/browse/ARIES-1887?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16986928#comment-16986928
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ASF subversion and git services commented on ARIES-1887:
--------------------------------------------------------

Commit ee16fd21f22624947a991c80503d819424497567 in aries's branch 
refs/heads/trunk from Christian Schneider
[ https://gitbox.apache.org/repos/asf?p=aries.git;h=ee16fd2 ]

ARIES-1887 - Improve handling of optional


> org.apache.aries.transaction.blueprint is not thread safe
> ---------------------------------------------------------
>
>                 Key: ARIES-1887
>                 URL: https://issues.apache.org/jira/browse/ARIES-1887
>             Project: Aries
>          Issue Type: Bug
>          Components: Transaction
>    Affects Versions: transaction-blueprint-2.2.0
>            Reporter: Nicolas Dutertry
>            Assignee: Jean-Baptiste Onofré
>            Priority: Major
>             Fix For: transaction-blueprint-2.3.0
>
>          Time Spent: 0.5h
>  Remaining Estimate: 0h
>
> The class ComponentTxData in org.apache.aries.transaction.blueprint uses a 
> HashMap
> {code:java}
> private Map<Method, TransactionalAnnotationAttributes> txMap = new 
> HashMap<Method, TransactionalAnnotationAttributes>();{code}
> This is very dangerous because txMap can be modified and accessed after 
> initialization.
> It should be replaced with a ConcurrentHashMap.



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