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From "Tim Smith (JIRA)" <j...@apache.org>
Subject [jira] Commented: (LUCENE-1825) AttributeSource.getAttribute() should throw better IllegalArgumentException
Date Thu, 20 Aug 2009 20:46:14 GMT

    [ https://issues.apache.org/jira/browse/LUCENE-1825?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12745624#action_12745624
] 

Tim Smith commented on LUCENE-1825:
-----------------------------------

I agree that a 'more helpful' error message may not be so helpful

i refactored all my code to use the same "new AttributeSource()"  for all TokenStreams for
the same Document anyway, so all it would tell me is "AttributeSource" missing parameter

> 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
>
>
> 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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