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https://issues.apache.org/jira/browse/LUCENE-779?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Suresh Chandran updated LUCENE-779:
-----------------------------------
Attachment: query error.doc
> behaviour of Lucene in tokenizing - causes query problems
> ---------------------------------------------------------
>
> Key: LUCENE-779
> URL: https://issues.apache.org/jira/browse/LUCENE-779
> Project: Lucene - Java
> Issue Type: Improvement
> Components: Index
> Environment: SLES9.3, JIRA 3.6.3 (Standalone)
> Reporter: Suresh Chandran
> Attachments: query error.doc
>
>
> I recently submitted a problem with queries to Atlassian Support team and
> they have pointed out that it is an issue with Lucene. I'm copying the
> contents from my support request to Atlassian. Please help.
> Question to Atlassian:
> When I use "text search" to query an item from summary it gives me zero
> match. But when I use query through custom field, I get results displayed
> properly.
> In the attachment, I did a query for no: 10012363 using text search and I
> know this entry is part of the summary for several issues. But the result
> says "no matching issues found".
> But when I selected, Vendor name and number, I get proper results. I tried
> re-indexing, still no help
> Response from Atlassian:
> The reason why you couldn't receive any results from the query is due to the
> behaviour of Lucene (an Apache-developed search and index library being used
> in JIRA) in tokenizing.
> For example, *Invoice Number-123456-API ASSOCIATES-10012363* is tokenized to:
> {noformat}Invoice
> Number-123456-API
> ASSOCIATES-10012363{noformat}
> In this case, {{Number-123456-API}} and {{ASSOCIATES-10012363}} are
> recognized as {{NUM}} (e.g. floating point, serial, model numbers, ip
> addresses, etc.).
> ~(Hope this doesn't sound too technical to you.)~
> You can somehow call this a limitation of the third party library. If you are
> keen to have it improved, feel free to raise a support request at [our issue
> tracker|http://jira.atlassian.com] or perhaps try asking it at [Lucene's
> issue tracker|http://issues.apache.org/jira/browse/LUCENE].
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