AttributeSource.getAttribute() should throw better IllegalArgumentException
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Key: LUCENE-1825
URL: https://issues.apache.org/jira/browse/LUCENE-1825
Project: Lucene - Java
Issue Type: Improvement
Components: Analysis
Affects Versions: 2.9
Reporter: Tim Smith
Priority: Minor
when seting "use only new API" for TokenStream, i received the following
exception:
{code}
[junit] Caused by: java.lang.IllegalArgumentException: This AttributeSource
does not have the attribute 'interface
org.apache.lucene.analysis.tokenattributes.TermAttribute'.
[junit] at
org.apache.lucene.util.AttributeSource.getAttribute(AttributeSource.java:249)
[junit] at
org.apache.lucene.index.TermsHashPerField.start(TermsHashPerField.java:252)
[junit] at
org.apache.lucene.index.DocInverterPerField.processFields(DocInverterPerField.java:145)
[junit] at
org.apache.lucene.index.DocFieldProcessorPerThread.processDocument(DocFieldProcessorPerThread.java:244)
[junit] at
org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:772)
[junit] at
org.apache.lucene.index.DocumentsWriter.updateDocument(DocumentsWriter.java:755)
[junit] at
org.apache.lucene.index.IndexWriter.updateDocument(IndexWriter.java:2613)
{code}
However, i can't actually see the culprit that caused this exception
suggest that the IllegalArgumentException include "getClass().getName()" in
order to be able to identify which TokenStream implementation actually caused
this
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