[SOLR-11231] NullPointerException in TikaLanguageIdentifierUpdateProcessor.getExpectedSize when performing language identification using unset fields - ASF JIRA

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Details

Type: Bug
Status: Closed
Priority: Minor
Resolution: Fixed
Affects Version/s: 6.6, 7.0
Fix Version/s: 7.2, 8.0
Component/s: contrib - LangId
Labels:
None

Description

If I configure the TikaLanguageIdentifierUpdateProcessorFactory that includes a `langid.fl` that isn't set on the document, I get a NPE:

{{java.lang.NullPointerException
at org.apache.solr.update.processor.TikaLanguageIdentifierUpdateProcessor.getExpectedSize(TikaLanguageIdentifierUpdateProcessor.java:116)
at org.apache.solr.update.processor.TikaLanguageIdentifierUpdateProcessor.concatFields(TikaLanguageIdentifierUpdateProcessor.java:76)
at org.apache.solr.update.processor.TikaLanguageIdentifierUpdateProcessor.detectLanguage(TikaLanguageIdentifierUpdateProcessor.java:53)
at org.apache.solr.update.processor.LanguageIdentifierUpdateProcessor.process(LanguageIdentifierUpdateProcessor.java:219)}}