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Date: Fri, 21 Aug 2009 04:59:14 -0700 (PDT)
From: "Uwe Schindler (JIRA)" <jira@apache.org>
To: java-dev@lucene.apache.org
Subject: [jira] Updated: (LUCENE-1825) AttributeSource.getAttribute() should
 throw better IllegalArgumentException
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     [ https://issues.apache.org/jira/browse/LUCENE-1825?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Uwe Schindler updated LUCENE-1825:
----------------------------------

    Attachment: BaseTokenStreamTestCase.java

Here is my idea for testing both apis of TokenStreams. All testcases that should tests both the backwards layer using Token instances and only the new API (this are *all* analyzer tests, TestIndexWriter, highlighter and query parser test and a few more), should subclass this class instead of LuceneTestCase.

> AttributeSource.getAttribute() should throw better IllegalArgumentException
> ---------------------------------------------------------------------------
>
>                 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
>            Assignee: Uwe Schindler
>            Priority: Minor
>             Fix For: 2.9
>
>         Attachments: BaseTokenStreamTestCase.java, LUCENE-1825.patch, LUCENE-1825.patch
>
>
> 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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