Ian Lea created LUCENE-10314:
--------------------------------
Summary: inconsistent index options when opening pre 9.0.0 index
with 9.0.0
Key: LUCENE-10314
URL: https://issues.apache.org/jira/browse/LUCENE-10314
Project: Lucene - Core
Issue Type: Bug
Components: core/index
Affects Versions: 9.0
Reporter: Ian Lea
We have a long-standing index with some mandatory fields and some optional
fields that has been through multiple lucene upgrades without a full
rebuild and on testing out an upgrade from version 8.11.0 to 9.0.0, when
open an IndexWriter we are hitting the exception
Exception in thread "main" java.lang.IllegalArgumentException: cannot
change field "language" from index options=NONE to inconsistent index
options=DOCS
at
org.apache.lucene.index.FieldInfo.verifySameIndexOptions(FieldInfo.java:245)
at
org.apache.lucene.index.FieldInfos$FieldNumbers.verifySameSchema(FieldInfos.java:421)
at
org.apache.lucene.index.FieldInfos$FieldNumbers.addOrGet(FieldInfos.java:357)
at
org.apache.lucene.index.IndexWriter.getFieldNumberMap(IndexWriter.java:1263)
at org.apache.lucene.index.IndexWriter.<init>(IndexWriter.java:1116)
Where language is one of our optional fields.
Presumably this is at least somewhat related to "Index options can no
longer be changed dynamically" as mentioned at
https://lucene.apache.org/core/9_0_0/MIGRATE.html although it fails before
our code attempts to update the index, and we are not trying to change any
index options.
Adding some displays to IndexWriter and FieldInfos and logging rather than
throwing the exception I see
language curr=NONE, other=NONE
language curr=NONE, other=NONE
language curr=NONE, other=NONE
language curr=NONE, other=NONE
language curr=NONE, other=NONE
language curr=NONE, other=NONE
language curr=NONE, other=NONE
language curr=NONE, other=NONE
language curr=NONE, other=DOCS
language curr=NONE, other=NONE
language curr=NONE, other=NONE
language curr=NONE, other=NONE
language curr=NONE, other=NONE
language curr=NONE, other=NONE
language curr=NONE, other=NONE
language curr=NONE, other=NONE
language curr=NONE, other=NONE
language curr=NONE, other=NONE
language curr=NONE, other=DOCS
language curr=NONE, other=DOCS
language curr=NONE, other=DOCS
language curr=NONE, other=DOCS
language curr=NONE, other=DOCS
language curr=NONE, other=DOCS
language curr=NONE, other=DOCS
language curr=NONE, other=DOCS
where there is one line per segment. It logs the exception whenever
other=DOCS. Subset with segment info:
segment _x8(8.2.0):c31753/-1:[diagnostics={timestamp=1565623850605,
lucene.version=8.2.0, java.vm.version=11.0.3+7, java.version=11.0.3,
mergeMaxNumSegments=-1, os.version=3.1.0-1.2-desktop,
java.vendor=AdoptOpenJDK, source=merge, os.arch=amd64, mergeFactor=10,
java.runtime.version=11.0.3+7,
os=Linux}]:[attributes=\{Lucene50StoredFieldsFormat.mode=BEST_SPEED}]
language curr=NONE, other=NONE
segment _y9(8.7.0):c43531/-1:[diagnostics={timestamp=1604597581562,
lucene.version=8.7.0, java.vm.version=11.0.3+7, java.version=11.0.3,
mergeMaxNumSegments=-1, os.version=3.1.0-1.2-desktop,
java.vendor=AdoptOpenJDK, source=merge, os.arch=amd64, mergeFactor=10,
java.runtime.version=11.0.3+7,
os=Linux}]:[attributes=\{Lucene87StoredFieldsFormat.mode=BEST_SPEED}]
language curr=NONE, other=DOCS
NOT throwing java.lang.IllegalArgumentException: cannot change field
"language" from index options=NONE to inconsistent index options=DOCS
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