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https://issues.apache.org/jira/browse/SOLR-2571?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13045031#comment-13045031
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Robert Muir commented on SOLR-2571:
-----------------------------------
{quote}
Possibly this isn't fully accurate but I'm at least mostly correct here. Seems
like the discrepency with DirectSolrSpellChecker is because it isn't returning
Frequency info?
{quote}
This sounds like a bug, care to open a separate issue on it? (we can resolve
the int/float stuff here on this one).
The thing certainly intends to return freq info...
{noformat}
SuggestWord[] suggestions = checker.suggestSimilar(new Term(field,
token.toString()),
options.count, options.reader, options.onlyMorePopular, accuracy);
for (SuggestWord suggestion : suggestions)
result.add(token, suggestion.string, suggestion.freq);
{noformat}
> 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
> Labels: whereIsHossManWhenYouNeedHim
> Fix For: 3.3, 4.0
>
> Attachments: SOLR-2571.patch, SOLR-2571.patch, 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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