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https://issues.apache.org/jira/browse/MRESOLVER-220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tamas Cservenak closed MRESOLVER-220.
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Resolution: Fixed
> Modify signaling for unsupported operations
> -------------------------------------------
>
> Key: MRESOLVER-220
> URL: https://issues.apache.org/jira/browse/MRESOLVER-220
> Project: Maven Resolver
> Issue Type: Improvement
> Components: Resolver
> Reporter: Tamas Cservenak
> Assignee: Tamas Cservenak
> Priority: Major
> Fix For: 1.9.13
>
>
> Lock upgrading is not supported, it is the caller that must be aware of this.
> Currently the code for all implementations returns {{false}} in case of lock
> upgrade attempted, same way as locking failed. IMHO, we should change this to
> some exception maybe?
> In short: code attempting unsupported "lock upgrade" should fail fast and
> with a clear reason ("illegal op"). Fail fast will happen with a runtime
> exception thrown and bubbling up all to the caller to make it clear, that
> there is some problem with code, that cannot be fixed without code change.
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