shahrs87 commented on code in PR #907:
URL: https://github.com/apache/lucene/pull/907#discussion_r905561688
##########
lucene/core/src/java/org/apache/lucene/index/FrozenBufferedUpdates.java:
##########
@@ -595,7 +595,7 @@ private void setField(String field) throws IOException {
DocIdSetIterator nextTerm(String field, BytesRef term) throws IOException {
setField(field);
- if (termsEnum != null) {
+ if (termsEnum != null && termsEnum != TermsEnum.EMPTY) {
Review Comment:
The following test failed
`TestPointQueries#testAllPointDocsWereDeletedAndThenMergedAgain`
```
Cannot read field "bytes" because "other" is null
java.lang.NullPointerException: Cannot read field "bytes" because "other" is
null
at
__randomizedtesting.SeedInfo.seed([16B9FF96CE2E2AF5:59A84BA7E3282B90]:0)
at org.apache.lucene.util.BytesRef.compareTo(BytesRef.java:159)
at
org.apache.lucene.index.FrozenBufferedUpdates$TermDocsIterator.nextTerm(FrozenBufferedUpdates.java:604)
at
org.apache.lucene.index.FrozenBufferedUpdates.applyTermDeletes(FrozenBufferedUpdates.java:473)
at
org.apache.lucene.index.FrozenBufferedUpdates.apply(FrozenBufferedUpdates.java:175)
at org.apache.lucene.index.IndexWriter.forceApply(IndexWriter.java:5965)
at org.apache.lucene.index.IndexWriter.tryApply(IndexWriter.java:5865)
at
org.apache.lucene.index.IndexWriter.lambda$publishFrozenUpdates$10(IndexWriter.java:2771)
at
org.apache.lucene.index.IndexWriter$EventQueue.processEventsInternal(IndexWriter.java:328)
at
org.apache.lucene.index.IndexWriter$EventQueue.processEvents(IndexWriter.java:317)
at
org.apache.lucene.index.IndexWriter.processEvents(IndexWriter.java:5708)
at org.apache.lucene.index.IndexWriter.doFlush(IndexWriter.java:4038)
at org.apache.lucene.index.IndexWriter.flush(IndexWriter.java:3995)
at org.apache.lucene.index.IndexWriter.forceMerge(IndexWriter.java:2099)
at org.apache.lucene.index.IndexWriter.forceMerge(IndexWriter.java:2080)
at
org.apache.lucene.search.TestPointQueries.testAllPointDocsWereDeletedAndThenMergedAgain(TestPointQueries.java:1221)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:77)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:568)
at
com.carrotsearch.randomizedtesting.RandomizedRunner.invoke(RandomizedRunner.java:1754)
```
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