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https://issues.apache.org/jira/browse/LUCENE-1500?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12676728#action_12676728
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Michael McCandless commented on LUCENE-1500:
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The thing is, since it's an unchecked exception, you could be well
into production, serving searches, etc, when suddenly unexpectedly
this exception kills the entire search request. It's brittle.
(vs highlighting the wrong parts but still providing search results to
the user -- graceful degradation).
So I'm still torn on "brittle" (what we have now) vs "graceful"
(current "workaround" patch) handling. For exceptions that can strike
arbitrarily deep into production/searching, I usually lean towards
being "graceful".
Or... maybe we could introduce a new exception to call this case out
(IncorrectTokenOffsetsException or something?), but: we make it a
checked exception so at compile time you need to handle it?
(I still don't like that we only catch the error intermittantly... but there's
nothing we could really do about that, so javadocs should spell that
out).
> 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
> Assignee: Michael McCandless
> Fix For: 2.4.1, 2.9
>
> Attachments: LUCENE-1500.patch, 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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