Hello,
we had the same problem too. Most of dates was in yyyy format, but some was
in yyyy-mm-dd format. We modify all dates to yyyy format, ran "dspace
index-init" and sorting started to work.
We use DSpace 1.7.1, xmlui.
Ladislav Kulhanek
2011/10/27 James Bardin <jbar...@bu.edu>
> Hello,
>
> Attempting to sort search results by "issue date" results in the
> following error:
> "ERROR org.dspace.search.DSQuery @ Unable to use speficied sort
> option: dateissued"
>
> Checking DSQuery.java (line ~235) shows that this is catching a
> generic exception from lucene, which results in the sorting falling
> back to "relevance". This is confusing to users, because there no
> indication from the xmlui that would indicate the sorting failed or is
> incorrect.
>
> Any ideas why sorting on dc.date.isssued is failing, or where to start
> for troubleshooting?
>
>
> Thanks,
> --
> James Bardin <jbar...@bu.edu>
> Systems Engineer
> Boston University IS&T
>
>
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