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https://issues.apache.org/jira/browse/IMPALA-12121?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Soumyakanti Das resolved IMPALA-12121.
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Resolution: Fixed
> Add non empty check for UDF location in getLastModifiedTime method
> ------------------------------------------------------------------
>
> Key: IMPALA-12121
> URL: https://issues.apache.org/jira/browse/IMPALA-12121
> Project: IMPALA
> Issue Type: Improvement
> Components: fe
> Reporter: Soumyakanti Das
> Priority: Major
>
> {{getLastModifiedTime()}} of {{Function.java}} assumes that if the UDF is not
> a BUILTIN and if the location is not null, it is a non-empty string. However,
> we may have UDFs with an empty location if they are in the install location
> and loaded at init time.
> We should also add a non empty check for the location in the if condition.
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