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https://issues.apache.org/jira/browse/LUCENE-10351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17468847#comment-17468847
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ASF subversion and git services commented on LUCENE-10351:
----------------------------------------------------------
Commit 78da7030370102d024afc9945965ba3ae7195823 in lucene's branch
refs/heads/main from Mayya Sharipova
[ https://gitbox.apache.org/repos/asf?p=lucene.git;h=78da703 ]
LUCENE-10351 Correct knn search failure with deleted docs (#580)
Current when doing knn search on an segment where all documents
with knn field were deleted, we get the following error:
maxSize must be > 0 and < 2147483630; got: 0
java.lang.IllegalArgumentException: maxSize must be > 0 and < 2147483630; got: 0
at
__randomizedtesting.SeedInfo.seed([43F1F124D7076A4E:1B860BFCCB9B0BB5]:0)
at org.apache.lucene.util.LongHeap.<init>(LongHeap.java:57)
at org.apache.lucene.util.LongHeap$1.<init>(LongHeap.java:69)
at org.apache.lucene.util.LongHeap.create(LongHeap.java:69)
at
org.apache.lucene.util.hnsw.NeighborQueue.<init>(NeighborQueue.java:41)
at org.apache.lucene.util.hnsw.HnswGraph.search(HnswGraph.java:105)#
This patch fixes this error and ensures empty TopDocs are returned when
knn field doesn't have any documents left.
> Correct knn search failure with all deleted docs
> -------------------------------------------------
>
> Key: LUCENE-10351
> URL: https://issues.apache.org/jira/browse/LUCENE-10351
> Project: Lucene - Core
> Issue Type: Bug
> Reporter: Mayya Sharipova
> Priority: Trivial
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> Current when doing knn search on an segment where all documents with knn
> field were deleted, we get the following error:
> maxSize must be > 0 and < 2147483630; got: 0
> java.lang.IllegalArgumentException: maxSize must be > 0 and < 2147483630;
> got: 0
> at
> __randomizedtesting.SeedInfo.seed([43F1F124D7076A4E:1B860BFCCB9B0BB5]:0)
> at org.apache.lucene.util.LongHeap.<init>(LongHeap.java:57)
> at org.apache.lucene.util.LongHeap$1.<init>(LongHeap.java:69)
> at org.apache.lucene.util.LongHeap.create(LongHeap.java:69)
> at
> org.apache.lucene.util.hnsw.NeighborQueue.<init>(NeighborQueue.java:41)
> at
> org.apache.lucene.util.hnsw.HnswGraph.search(HnswGraph.java:105)#
> A desired behaviour: instead of an error, an empty TopDocs should be
> returned.
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