Ran Ziv created ARIA-168:
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             Summary: Execution state update should be done atomically
                 Key: ARIA-168
                 URL: https://issues.apache.org/jira/browse/ARIA-168
             Project: AriaTosca
          Issue Type: Story
            Reporter: Ran Ziv
            Priority: Minor


Execution state update is currently not done atomically - this can lead to edge 
cases where, for example, just as a user attempts to cancel the execution, the 
execution engine attempts to change the execution state and cause an error.
While these cases are very rare, it'd be better to update the execution state 
atomically (compare-and-set) instead.



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