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https://issues.apache.org/jira/browse/ARIA-185?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16022978#comment-16022978
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Ran Ziv commented on ARIA-185:
------------------------------
Looks like the problem was caused by SQLAlchemy sessions that weren't closed
properly.
This led to further investigation which results in the removal of the {{tracked
changes}} mechanism for runtime-properties, and actually simplified much of
that part of the code.
Commit is available
[here|https://github.com/apache/incubator-ariatosca/commit/0c986842d52eca823ab92442dd9d77267e369ae8]
> NullPool logging messages appear during execution
> -------------------------------------------------
>
> Key: ARIA-185
> URL: https://issues.apache.org/jira/browse/ARIA-185
> Project: AriaTosca
> Issue Type: Bug
> Reporter: Ran Ziv
> Assignee: Maxim Orlov
> Priority: Minor
> Fix For: 0.1.0
>
>
> The following message may sometimes appear during execution of a workflow:
> {{No handlers could be found for logger "sqlalchemy.pool.NullPool"}}
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