Robert Muir created LUCENE-4547:
-----------------------------------
Summary: PackedIntsDocValue field broken on large indexes
Key: LUCENE-4547
URL: https://issues.apache.org/jira/browse/LUCENE-4547
Project: Lucene - Core
Issue Type: Bug
Reporter: Robert Muir
Priority: Blocker
Fix For: 4.1
I tried to write a test to sanity check LUCENE-4536 (first running against svn
revision 1406416, before the change).
But i found docvalues is already broken here for large indexes that have a
PackedLongDocValues field:
{code}
final int numDocs = 500000000;
for (int i = 0; i < numDocs; ++i) {
if (i == 0) {
field.setLongValue(0L); // force > 32bit deltas
} else {
field.setLongValue(1<<33L);
}
w.addDocument(doc);
}
w.forceMerge(1);
w.close();
dir.close(); // checkindex
{code}
{noformat}
[junit4:junit4] 2> WARNING: Uncaught exception in thread: Thread[Lucene Merge
Thread #0,6,TGRP-Test2GBDocValues]
[junit4:junit4] 2> org.apache.lucene.index.MergePolicy$MergeException:
java.lang.ArrayIndexOutOfBoundsException: -65536
[junit4:junit4] 2> at
__randomizedtesting.SeedInfo.seed([5DC54DB14FA5979]:0)
[junit4:junit4] 2> at
org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:535)
[junit4:junit4] 2> at
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:508)
[junit4:junit4] 2> Caused by: java.lang.ArrayIndexOutOfBoundsException: -65536
[junit4:junit4] 2> at
org.apache.lucene.util.ByteBlockPool.deref(ByteBlockPool.java:305)
[junit4:junit4] 2> at
org.apache.lucene.codecs.lucene40.values.FixedStraightBytesImpl$FixedBytesWriterBase.set(FixedStraightBytesImpl.java:115)
[junit4:junit4] 2> at
org.apache.lucene.codecs.lucene40.values.PackedIntValues$PackedIntsWriter.writePackedInts(PackedIntValues.java:109)
[junit4:junit4] 2> at
org.apache.lucene.codecs.lucene40.values.PackedIntValues$PackedIntsWriter.finish(PackedIntValues.java:80)
[junit4:junit4] 2> at
org.apache.lucene.codecs.DocValuesConsumer.merge(DocValuesConsumer.java:130)
[junit4:junit4] 2> at
org.apache.lucene.codecs.PerDocConsumer.merge(PerDocConsumer.java:65)
{noformat}
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