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Posted to issues@lucene.apache.org by "Erick Erickson (Jira)" <ji...@apache.org> on 2019/09/30 14:52:00 UTC
[jira] [Resolved] (SOLR-9458) DocumentDictionaryFactory
StackOverflowError on many documents
[ https://issues.apache.org/jira/browse/SOLR-9458?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Erick Erickson resolved SOLR-9458.
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Resolution: Fixed
I think this is fixed by LUCENE-7914. We can re-open if it's still a problem here. There'll still be an exception thrown, but at least one that's controlled.
Although understanding how to fix this problem is unclear. Add a filter that limits the length of a token?
> DocumentDictionaryFactory StackOverflowError on many documents
> --------------------------------------------------------------
>
> Key: SOLR-9458
> URL: https://issues.apache.org/jira/browse/SOLR-9458
> Project: Solr
> Issue Type: Bug
> Components: Suggester
> Affects Versions: 6.1, 6.2
> Reporter: Chris de Kok
> Priority: Major
>
> When using the FuzzyLookupFactory in combinarion with the DocumentDictionaryFactory it will throw a stackoverflow trying to build the dictionary.
> Using the HighFrequencyDictionaryFactory works ok but behaves very different.
> ```
> <searchComponent name="suggest" class="solr.SuggestComponent">
> <lst name="suggester">
> <str name="name">suggest</str>
> <str name="field">suggestions</str>
> <str name="suggestAnalyzerFieldType">suggestions</str>
> <str name="lookupImpl">FuzzyLookupFactory</str>
> <str name="dictionaryImpl">DocumentDictionaryFactory</str>
> <str name="storeDir">suggest_fuzzy</str>
> <str name="exactMatchFirst">true</str>
> <str name="buildOnStartup">false</str>
> <str name="buildOnCommit">false</str>
> <str name="buildOnOptimize">true</str>
> <float name="threshold">0</float>
> </lst>
> ````
> null:java.lang.StackOverflowError
> at org.apache.lucene.util.automaton.Operations.topoSortStatesRecurse(Operations.java:1311)
> at org.apache.lucene.util.automaton.Operations.topoSortStatesRecurse(Operations.java:1311)
> at org.apache.lucene.util.automaton.Operations.topoSortStatesRecurse(Operations.java:1311)
> at org.apache.lucene.util.automaton.Operations.topoSortStatesRecurse(Operations.java:1311)
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