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Posted to dev@lucene.apache.org by "Peter Wolanin (JIRA)" <ji...@apache.org> on 2009/02/24 22:39:03 UTC
[jira] Issue Comment Edited: (LUCENE-1500) Highlighter throws
StringIndexOutOfBoundsException
[ https://issues.apache.org/jira/browse/LUCENE-1500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12676421#action_12676421 ]
pwolanin edited comment on LUCENE-1500 at 2/24/09 1:38 PM:
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I have run into this issue over the last couple days. Also using Solr, but the error is triggered by content that has multi-byte characters (such as German).
It seems that somewhere Lucene is counting bytes instead of characters, so each substring the highlighter tries to select is offset further forward in the string being matched.
here's an example trying to highlight the string 'Drupaltalk' with "strong" tags
{code}
<p class="search-snippet">
Community ist - und dieses Portal Dr<strong>upaltalk.d</strong>e samt seinem schon eifrigen Benutzer- und Gästezulauf ( ...
nter "Dru<strong>paltalk001</strong>" könnt Ihr die erste Konferenz noch mal nachhören und erfahren, wie Selbstorganisation in der Drupal Szene funktioniert.
"Dru<strong>paltalk002</strong>" ist dann der Talk vom Dienstag zum Thema "Drupal Al</p>
{code}
So the attached patch would probably avoid the exception (and is a good idea) but would not fix the bug I'm seeing.
was (Author: pwolanin):
I have run into this issue over the last couple days. Also using Solr, but the error is triggered by content that has multi-byte characters (such as German).
It seems that somewhere lucene is counting bytes instead of characters, so each substring the highlighter tries to select is offset further forward in the string being matched.
here's an example trying to highlight the string 'Drupaltalk' with "strong" tags
{code}
<p class="search-snippet">
Community ist - und dieses Portal Dr<strong>upaltalk.d</strong>e samt seinem schon eifrigen Benutzer- und Gästezulauf ( ...
nter "Dru<strong>paltalk001</strong>" könnt Ihr die erste Konferenz noch mal nachhören und erfahren, wie Selbstorganisation in der Drupal Szene funktioniert.
"Dru<strong>paltalk002</strong>" ist dann der Talk vom Dienstag zum Thema "Drupal Al</p>
{code}
So the attached patch would probably avoid the exception (and is a good idea) but would not fix the bug I'm seeing.
> Highlighter throws StringIndexOutOfBoundsException
> --------------------------------------------------
>
> Key: LUCENE-1500
> URL: https://issues.apache.org/jira/browse/LUCENE-1500
> Project: Lucene - Java
> Issue Type: Bug
> Components: contrib/highlighter
> Affects Versions: 2.4
> Environment: Found this running the example code in Solr (latest version).
> Reporter: David Bowen
> Attachments: patch.txt
>
>
> Using the canonical Solr example (ant run-example) I added this document (using exampledocs/post.sh):
> <add><doc>
> <field name="id">Test for Highlighting StringIndexOutOfBoundsExcdption</field>
> <field name="name">Some Name</field>
> <field name="manu">Acme, Inc.</field>
> <field name="features">Description of the features, mentioning various things</field>
> <field name="features">Features also is multivalued</field>
> <field name="popularity">6</field>
> <field name="inStock">true</field>
> </doc></add>
> and then the URL http://localhost:8983/solr/select/?q=features&hl=true&hl.fl=features caused the exception.
> I have a patch. I don't know if it is completely correct, but it avoids this exception.
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