Michael McCandless created LUCENE-7491:
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Summary: Unexpected merge exception when merging sparse points
fields
Key: LUCENE-7491
URL: https://issues.apache.org/jira/browse/LUCENE-7491
Project: Lucene - Core
Issue Type: Bug
Reporter: Michael McCandless
Assignee: Michael McCandless
Fix For: master (7.0), 6.3
Spinoff from this user thread: http://markmail.org/thread/vwdvjgupyz6heep5
If you have a segment that has points, but a given field ("id") didn't index
points, and a later segment where field "id" does index points, when try to
merge those segments we hit this (incorrect!) exception:
{noformat}
Caused by: org.apache.lucene.index.MergePolicy$MergeException:
java.lang.IllegalArgumentException: field="id" did not index point values
at __randomizedtesting.SeedInfo.seed([9F3E7B030EF482BD]:0)
at
org.apache.lucene.index.ConcurrentMergeScheduler.handleMergeException(ConcurrentMergeScheduler.java:668)
at
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:648)
Caused by: java.lang.IllegalArgumentException: field="id" did not index point
values
at
org.apache.lucene.codecs.lucene60.Lucene60PointsReader.getBKDReader(Lucene60PointsReader.java:126)
at
org.apache.lucene.codecs.lucene60.Lucene60PointsReader.size(Lucene60PointsReader.java:224)
at
org.apache.lucene.codecs.lucene60.Lucene60PointsWriter.merge(Lucene60PointsWriter.java:169)
at
org.apache.lucene.index.SegmentMerger.mergePoints(SegmentMerger.java:173)
at org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:122)
at
org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4287)
at org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3864)
at
org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:588)
at
org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:626)
{noformat}
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