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

• 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
• Assignee: Steven Rowe
• Reporter: Chris Beer
• Created: 12/Aug/17 18:30
• Updated: 08/Jun/19 15:24
• Resolved: 13/Nov/17 23:00

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)}}

Issue Links

• links to: GitHub Pull Request #232