benwtrent opened a new issue, #13352:
URL: https://github.com/apache/lucene/issues/13352
### Description
This replicates rarely for me locally. To me this indicates a race condition
instead of some logic error.
```
java.lang.AssertionError: seqNo=114262 vs maxSeqNo=114261
at __randomizedtesting.SeedInfo.seed([905AD19F00667602]:0)
at
org.apache.lucene.index.DocumentsWriterDeleteQueue.getNextSequenceNumber(DocumentsWriterDeleteQueue.java:567)
at
org.apache.lucene.index.DocumentsWriterDeleteQueue.add(DocumentsWriterDeleteQueue.java:178)
at
org.apache.lucene.index.DocumentsWriterDeleteQueue.add(DocumentsWriterDeleteQueue.java:155)
at
org.apache.lucene.index.DocumentsWriterPerThread.finishDocuments(DocumentsWriterPerThread.java:328)
at
org.apache.lucene.index.DocumentsWriterPerThread.updateDocuments(DocumentsWriterPerThread.java:273)
at
org.apache.lucene.index.DocumentsWriter.updateDocuments(DocumentsWriter.java:425)
at
org.apache.lucene.index.IndexWriter.updateDocuments(IndexWriter.java:1558)
at
org.apache.lucene.index.IndexWriter.softUpdateDocuments(IndexWriter.java:1603)
at
org.apache.lucene.tests.index.RandomIndexWriter.updateDocument(RandomIndexWriter.java:315)
at
org.apache.lucene.index.TestIndexWriterMergePolicy.lambda$stressUpdateSameDocumentWithMergeOnX$4(TestIndexWriterMergePolicy.java:781)
at java.base/java.lang.Thread.run(Thread.java:1583)
```
This is very similar to:
https://github.com/elastic/elasticsearch/issues/105122#issuecomment-2098412230
Either we are updating `maxSeqNo` incorrectly, or there is a race condition
in DWPT that both tests have hit
### Gradle command to reproduce
```
./gradlew test --tests
TestIndexWriterMergePolicy.testStressUpdateSameDocumentWithMergeOnGetReader
-Dtests.seed=905AD19F00667602 -Dtests.locale=chr-Cher-US
-Dtests.timezone=MST7MDT -Dtests.asserts=true -Dtests.file.encoding=UTF-8
```
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