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https://issues.apache.org/jira/browse/FLINK-13789?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hao Dang updated FLINK-13789:
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Fix Version/s: 1.7.2
> Transactional Id Generation fails due to user code impacting formatting string
> ------------------------------------------------------------------------------
>
> Key: FLINK-13789
> URL: https://issues.apache.org/jira/browse/FLINK-13789
> Project: Flink
> Issue Type: Bug
> Reporter: Hao Dang
> Priority: Major
> Fix For: 1.7.2, 1.8.0, 1.8.1
>
>
> In [TransactionalIdsGenerator.java|#L94]], prefix contains taskName of the
> particular task which could ultimately contain user code. In some cases,
> user code contains conversion specifiers like %, the string formatting could
> fail.
> For example, in Flink SQL code, user could have a LIKE statement with a %
> wildcard, the % wildcard will end up in the prefix and get mistreated during
> formatting, causing task to fail.
> Think we should move prefix out of the string formatting.
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