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https://issues.apache.org/jira/browse/LOG4J2-3306?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17468536#comment-17468536
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Tim Enderling commented on LOG4J2-3306:
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Also the change in 2.17.1 introduced a regression, because StrSubstitutor does
not fallback to system properties, while the original implementation in
OptionConverter did. By looking at the change for LOG4J2-3306 this regression
also seems fixed again. [~rgoers] Do we expect a release of 2.17.2 any time
soon?
> OptionConverter can get a StackOverflowError.
> ---------------------------------------------
>
> Key: LOG4J2-3306
> URL: https://issues.apache.org/jira/browse/LOG4J2-3306
> Project: Log4j 2
> Issue Type: Bug
> Components: Core
> Affects Versions: 2.17.1
> Reporter: Ralph Goers
> Priority: Major
> Fix For: 2.17.2
>
>
> Prior to 2.17.1 OptionConverter could get a StackOverflowError by returning
> the same lookup string. In 2.17.1 it was changed to use StrSubstitutor which
> fixed the problem but introduced a different way a StackOverflowError could
> occur.
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