Chetan Mehrotra created OAK-4067:
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Summary: AssertionError thrown for Lucene index with empty suggest
disctionary
Key: OAK-4067
URL: https://issues.apache.org/jira/browse/OAK-4067
Project: Jackrabbit Oak
Issue Type: Bug
Components: lucene
Reporter: Chetan Mehrotra
Priority: Critical
Fix For: 1.4
Create an index where one field is enabled for suggestion but no content is
indexed for that index i.e. no matching content. Then while performing any
query following exception is thrown
{noformat}
java.lang.AssertionError
at
org.apache.lucene.search.suggest.analyzing.AnalyzingInfixSuggester.<init>(AnalyzingInfixSuggester.java:167)
at
org.apache.jackrabbit.oak.plugins.index.lucene.util.SuggestHelper$2.<init>(SuggestHelper.java:127)
at
org.apache.jackrabbit.oak.plugins.index.lucene.util.SuggestHelper.getLookup(SuggestHelper.java:127)
at
org.apache.jackrabbit.oak.plugins.index.lucene.util.SuggestHelper.getLookup(SuggestHelper.java:123)
at
org.apache.jackrabbit.oak.plugins.index.lucene.IndexNode.<init>(IndexNode.java:109)
at
org.apache.jackrabbit.oak.plugins.index.lucene.IndexNode.open(IndexNode.java:69)
at
org.apache.jackrabbit.oak.plugins.index.lucene.IndexTracker.findIndexNode(IndexTracker.java:162)
at
org.apache.jackrabbit.oak.plugins.index.lucene.IndexTracker.acquireIndexNode(IndexTracker.java:137)
at
org.apache.jackrabbit.oak.plugins.index.lucene.LucenePropertyIndex.getPlans(LucenePropertyIndex.java:249)
at
org.apache.jackrabbit.oak.query.QueryImpl.getBestSelectorExecutionPlan(QueryImpl.java:1016)
at
org.apache.jackrabbit.oak.query.QueryImpl.getBestSelectorExecutionPlan(QueryImpl.java:949)
at
org.apache.jackrabbit.oak.query.ast.SelectorImpl.prepare(SelectorImpl.java:288)
{noformat}
This happens with {{-ea}} flag i.e. java assertions enabled. It caused
[here|https://github.com/apache/lucene-solr/blob/releases/lucene-solr/4.7.1/lucene/suggest/src/java/org/apache/lucene/search/suggest/analyzing/AnalyzingInfixSuggester.java#L167]
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