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https://issues.apache.org/jira/browse/LUCENE-772?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12464372
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Arthur Smith commented on LUCENE-772:
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Chuck - thanks - though IndexSearcher is supposed to be thread safe, so maybe
it shouldn't be calling java.util.zip?
But now that I look again, we shouldn't have *any* compressed fields in our
indexes! This has got to be an index corruption issue - we'll get the latest
build out there and see if the recent fixes (LUCENE-140 in particular) help.
> Lucene infinite loop? In FieldsReader.uncompress called from IndexSearcher.doc
> ------------------------------------------------------------------------------
>
> Key: LUCENE-772
> URL: https://issues.apache.org/jira/browse/LUCENE-772
> Project: Lucene - Java
> Issue Type: Bug
> Components: Search
> Affects Versions: 2.1
> Environment: Linux (gentoo 2.6.17 at least), jdk 1.5.0_06 and _08 at
> least, tomcat 5.5. IndexSearcher searching index mounted via NFS; using new
> lockless commits... We're using the 01-05-07 nightly build of lucene
> Reporter: Arthur Smith
>
> Unfortunately I don't have a reproducible case of this (yet), but it's
> happened twice now on our production servers in the past few days, after we
> switched to the new lockless commits (thanks!). What we're seeing is the
> search thread running away in the middle of a seemingly ordinary search,
> after several hundred thousand queries that worked just fine. The search
> index is NFS mounted, and is updated every minute or so during the day by an
> indexing process running on a separate server. We do get occasional I/O
> errors, but we catch and retry and it seems ok after a few seconds.
> But twice now we've had run-away threads; the thread dump in both cases was
> caught in the middle of java.util.zip.Inflater:
> "http-8080-3" daemon prio=1 tid=0x08294688 nid=0x1f0d runnable
> [0x1f17c000..0x1f17e0b0]
> at java.util.zip.Inflater.inflateBytes(Native Method)
> at java.util.zip.Inflater.inflate(Inflater.java:215)
> - locked <0x3d73cba8> (a java.util.zip.Inflater)
> at java.util.zip.Inflater.inflate(Inflater.java:232)
> at
> org.apache.lucene.index.FieldsReader.uncompress(FieldsReader.java:388)
> at
> org.apache.lucene.index.FieldsReader.addField(FieldsReader.java:222)
> at org.apache.lucene.index.FieldsReader.doc(FieldsReader.java:105)
> at
> org.apache.lucene.index.SegmentReader.document(SegmentReader.java:324)
> - locked <0x3cefbdd8> (a org.apache.lucene.index.SegmentReader)
> at org.apache.lucene.index.MultiReader.document(MultiReader.java:108)
> at org.apache.lucene.index.IndexReader.document(IndexReader.java:360)
> at org.apache.lucene.search.IndexSearcher.doc(IndexSearcher.java:84)
> at org.apache.lucene.search.Hits.doc(Hits.java:104)
> [...]
> Any ideas what this could be? Thanks!
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