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Posted to dev@lucene.apache.org by "Mark Miller (JIRA)" <ji...@apache.org> on 2009/03/04 15:19:56 UTC
[jira] Resolved: (LUCENE-689) NullPointerException thrown by equals
method in SpanOrQuery
[ https://issues.apache.org/jira/browse/LUCENE-689?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Mark Miller resolved LUCENE-689.
--------------------------------
Resolution: Fixed
thanks all
> NullPointerException thrown by equals method in SpanOrQuery
> -----------------------------------------------------------
>
> Key: LUCENE-689
> URL: https://issues.apache.org/jira/browse/LUCENE-689
> Project: Lucene - Java
> Issue Type: Bug
> Components: Search
> Affects Versions: 2.1
> Environment: Java 1.5.0_09, RHEL 3 Linux, Tomcat 5.0.28
> Reporter: Michael Goddard
> Assignee: Otis Gospodnetic
> Priority: Minor
> Fix For: 2.9
>
> Attachments: LUCENE-689.txt
>
>
> Part of our code utilizes the equals method in SpanOrQuery and, in certain cases (details to follow, if necessary), a NullPointerException gets thrown as a result of the String "field" being null. After applying the following patch, the problem disappeared:
> Index: src/java/org/apache/lucene/search/spans/SpanOrQuery.java
> ===================================================================
> --- src/java/org/apache/lucene/search/spans/SpanOrQuery.java (revision 465065)
> +++ src/java/org/apache/lucene/search/spans/SpanOrQuery.java (working copy)
> @@ -121,7 +121,8 @@
> final SpanOrQuery that = (SpanOrQuery) o;
> if (!clauses.equals(that.clauses)) return false;
> - if (!field.equals(that.field)) return false;
> + if (field != null && !field.equals(that.field)) return false;
> + if (field == null && that.field != null) return false;
> return getBoost() == that.getBoost();
> }
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