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https://issues.apache.org/jira/browse/OODT-429?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ricky Nguyen resolved OODT-429.
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Resolution: Fixed
Committed revision 1305428.
> filemgr query throws NPE when sorting by key with possibly empty values
> -----------------------------------------------------------------------
>
> Key: OODT-429
> URL: https://issues.apache.org/jira/browse/OODT-429
> Project: OODT
> Issue Type: Bug
> Components: file manager
> Affects Versions: 0.3
> Reporter: Ricky Nguyen
> Fix For: 0.4
>
>
> For a given met element, if any product has a null value, the entire sort
> fails with NPE.
> We should decide whether nulls appear at the beginning or the end of such a
> sort. My vote is at the end, since nulls are usually the least interesting
> value.
> However, consider the use case of sorting by ProductReceivedTime. Sort only
> occurs in ascending order (I am not aware of descending capability). If
> nulls appeared at the end, it would be slightly difficult to get the latest
> product (programmatically). For this type of sort, it would be useful to put
> nulls at the beginning, or even remove them altogether. Thoughts?
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