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From "Unico Hommes (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (JCR-3521) IllegalArgumentException thrown on a box running java7 with a sorted query
Date Fri, 15 Feb 2013 11:13:13 GMT

     [ https://issues.apache.org/jira/browse/JCR-3521?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Unico Hommes resolved JCR-3521.
-------------------------------

       Resolution: Fixed
    Fix Version/s: 2.7
                   2.6.1
    
> IllegalArgumentException thrown on a box running java7 with a sorted query
> --------------------------------------------------------------------------
>
>                 Key: JCR-3521
>                 URL: https://issues.apache.org/jira/browse/JCR-3521
>             Project: Jackrabbit Content Repository
>          Issue Type: Bug
>          Components: indexing
>    Affects Versions: 2.5.3
>         Environment: JDK 7
>            Reporter: Chetan Mehrotra
>             Fix For: 2.6.1, 2.7
>
>         Attachments: JCR-3521-2.patch, JCR-3521.patch
>
>
> Today we were running into this nice exception on a box running java7 with a sorted query
(by lastModified DESC):
> java.lang.IllegalArgumentException: Comparison method violates its general contract!
> 	at java.util.TimSort.mergeHi(TimSort.java:868)
> 	at java.util.TimSort.mergeAt(TimSort.java:485)
> 	at java.util.TimSort.mergeForceCollapse(TimSort.java:426)
> 	at java.util.TimSort.sort(TimSort.java:223)
> 	at java.util.TimSort.sort(TimSort.java:173)
> 	at java.util.Arrays.sort(Arrays.java:659)
> 	at java.util.Collections.sort(Collections.java:217)
> 	at
> org.apache.jackrabbit.core.query.lucene.join.QueryEngine.sort(QueryEngine.j
> ava:625)
> 	at
> org.apache.jackrabbit.core.query.lucene.join.QueryEngine.execute(QueryEngin
> e.java:484)
> 	at
> org.apache.jackrabbit.core.query.lucene.join.QueryEngine.execute(QueryEngin
> e.java:126)
> 	at
> org.apache.jackrabbit.core.query.lucene.join.QueryEngine.execute(QueryEngin
> e.java:115)
> 	at
> org.apache.jackrabbit.core.query.QueryObjectModelImpl$2.perform(QueryObject
> ModelImpl.java:129)
> 	at
> org.apache.jackrabbit.core.query.QueryObjectModelImpl$2.perform(QueryObject
> ModelImpl.java:124)
> 	at
> org.apache.jackrabbit.core.session.SessionState.perform(SessionState.java:2
> 16)
> 	at
> org.apache.jackrabbit.core.query.QueryObjectModelImpl.execute(QueryObjectMo
> delImpl.java:123)

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