IndexOutOfBoundsException in FieldInfos.java
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Key: LUCENE-2327
URL: https://issues.apache.org/jira/browse/LUCENE-2327
Project: Lucene - Java
Issue Type: Bug
Components: Index
Affects Versions: 3.0.1
Environment: Fedora 12
Reporter: Shane
Priority: Minor
When retrieving the scoreDocs from a multisearcher, the following exception is
thrown:
java.lang.IndexOutOfBoundsException: Index: 52, Size: 4
at java.util.ArrayList.rangeCheck(ArrayList.java:571)
at java.util.ArrayList.get(ArrayList.java:349)
at org.apache.lucene.index.FieldInfos.fieldInfo(FieldInfos.java:285)
at org.apache.lucene.index.FieldInfos.fieldName(FieldInfos.java:274)
at org.apache.lucene.index.TermBuffer.read(TermBuffer.java:86)
at
org.apache.lucene.index.SegmentTermEnum.next(SegmentTermEnum.java:131)
at
org.apache.lucene.index.SegmentTermEnum.scanTo(SegmentTermEnum.java:162)
at org.apache.lucene.index.TermInfosReader.get(TermInfosReader.java:232)
at org.apache.lucene.index.TermInfosReader.get(TermInfosReader.java:179)
at org.apache.lucene.index.SegmentReader.docFreq(SegmentReader.java:911)
at
org.apache.lucene.index.DirectoryReader.docFreq(DirectoryReader.java:644)
The error is caused when the fieldNumber passed to FieldInfos.fieldInfo() is
greater than the size of array list containing the FieldInfo values. I am not
sure what the field number represents or why it would be larger than the array
list's size. The quick fix would be to validate the bounds but there may be a
bigger underlying problem. The issue does appear to be directly related to
LUCENE-939. I've only been able to duplicate this in my production environment
and so can't give a good test case.
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