[SOLR-1400] Document with empty or white-space only string causes exception with TrimFilter

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.4
• Fix Version/s: 1.4
• Component/s: update
• Assignee: Grant Ingersoll
• Reporter: Peter Wolanin
• Created: 01/Sep/09 15:06
• Updated: 10/Nov/09 15:50
• Resolved: 08/Sep/09 13:16

Description

Observed with Solr trunk. Posting any empty or whitespace-only string to a field using the

<filter class="solr.TrimFilterFactory" />

Causes a java exception:

Sep 1, 2009 4:58:09 PM org.apache.solr.common.SolrException log
SEVERE: java.lang.ArrayIndexOutOfBoundsException: -1
	at org.apache.solr.analysis.TrimFilter.incrementToken(TrimFilter.java:63)
	at org.apache.solr.analysis.PatternReplaceFilter.incrementToken(PatternReplaceFilter.java:74)
	at org.apache.lucene.index.DocInverterPerField.processFields(DocInverterPerField.java:138)
	at org.apache.lucene.index.DocFieldProcessorPerThread.processDocument(DocFieldProcessorPerThread.java:244)
	at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:772)
	at org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:755)
	at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:2611)
	at org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:2583)
	at org.apache.solr.update.DirectUpdateHandler2.addDoc(DirectUpdateHandler2.java:241)
	at org.apache.solr.update.processor.RunUpdateProcessor.processAdd(RunUpdateProcessorFactory.java:61)
	at org.apache.solr.handler.XMLLoader.processUpdate(XMLLoader.java:140)
	at org.apache.solr.handler.XMLLoader.load(XMLLoader.java:69)
	at org.apache.solr.handler.ContentStreamHandlerBase.handleRequestBody(ContentStreamHandlerBase.java:54)
	at org.apache.solr.handler.RequestHandlerBase.handleRequest(RequestHandlerBase.java:131)
	at org.apache.solr.core.SolrCore.execute(SolrCore.java:1299)
	at org.apache.solr.servlet.SolrDispatchFilter.execute(SolrDispatchFilter.java:338)
	at org.apache.solr.servlet.SolrDispatchFilter.doFilter(SolrDispatchFilter.java:241)

Trim of an empty or WS-only string should not fail.