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https://issues.apache.org/jira/browse/LUCENE-689?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steven Parkes updated LUCENE-689:
---------------------------------
Assignee: Steven Parkes
Priority: Minor (was: Major)
Lucene Fields: [Patch Available] (was: [New])
> 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
> Assigned To: Steven Parkes
> Priority: Minor
> 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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