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https://issues.apache.org/jira/browse/SOLR-2571?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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James Dyer updated SOLR-2571:
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Attachment: SOLR-2571.solr3.2.patch
SOLR-2571.patch
Patches attached for Trunk & 3.x .
This patch fixes the problem for IndexBasedSpellChecker.
DirectSolrSpellChecker (Trunk only) appears to be correct already.
Should this patch be committed, I will add documentation for
"thresholdTokenFrequency" to the wiki. Currently it is absent from the wiki
(although documented in Smiley&Pugh).
> IndexBasedSpellChecker "thresholdTokenFrequency" fails with a
> ClassCastException on startup
> -------------------------------------------------------------------------------------------
>
> Key: SOLR-2571
> URL: https://issues.apache.org/jira/browse/SOLR-2571
> Project: Solr
> Issue Type: Bug
> Components: spellchecker
> Affects Versions: 1.4.1, 3.1, 4.0
> Reporter: James Dyer
> Priority: Minor
> Fix For: 3.3, 4.0
>
> Attachments: SOLR-2571.patch, SOLR-2571.solr3.2.patch
>
>
> When parsing the configuration for thresholdTokenFrequency", the
> IndexBasedSpellChecker tries to pull a Float from the DataConfig.xml-derrived
> NamedList. However, this comes through as a String. Therefore, a
> ClassCastException is always thrown whenever this parameter is specified.
> The code ought to be doing "Float.parseFloat(...)" on the value.
> This looks like a nice feature to use in cases the data contains misspelled
> or rare words leading to spurious "correct" queries. I would have liked to
> have used this with a project we just completed however this bug prevented
> that. This issue came up recently in the User's mailing list so I am raising
> an issue now.
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