Michael McCandless created LUCENE-7562:
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Summary: CompletionFieldsConsumer throws NPE on ghost fields
Key: LUCENE-7562
URL: https://issues.apache.org/jira/browse/LUCENE-7562
Project: Lucene - Core
Issue Type: Bug
Reporter: Michael McCandless
Assignee: Michael McCandless
Fix For: master (7.0), 6.4
If you index {{SuggestField}} for some field X, but later delete all documents
with that field, it can cause a ghost situation where the field infos believes
field X exists yet the postings do not.
I believe this bug is the root cause of this ES issue:
https://github.com/elastic/elasticsearch/issues/21500
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