NPE on search request with fields parameter for pattern_text without a value #136049
Description
Elasticsearch Version
main (a2b2b26)
Installed Plugins
No response
Java Version
bundled
OS Version
6.8.0-79-generic #79~22.04.1-Ubuntu
Problem Description
If a search request is made using the fields parameter to get a pattern_text field which does not have any values, an NPE is returned.
Specifically, get this error:
Caused by: java.lang.NullPointerException: Cannot invoke "org.elasticsearch.xpack.logsdb.patterntext.PatternTextCompositeValues.advanceExact(int)" because "this.docValues" is null
at org.elasticsearch.xpack.logsdb.patterntext.PatternTextFieldType$1.fetchValues(PatternTextFieldType.java:131)
at [email protected]/org.elasticsearch.index.mapper.ValueFetcher.fetchDocumentField(ValueFetcher.java:59)
at [email protected]/org.elasticsearch.search.fetch.subphase.FieldFetcher.fetch(FieldFetcher.java:177)
at [email protected]/org.elasticsearch.search.fetch.subphase.FetchFieldsPhase$1.process(FetchFieldsPhase.java:149)
at [email protected]/org.elasticsearch.search.fetch.FetchPhase$1.nextDoc(FetchPhase.java:232)
at [email protected]/org.elasticsearch.search.fetch.FetchPhaseDocsIterator.iterate(FetchPhaseDocsIterator.java:9
Steps to Reproduce
PUT foo
{
"mappings": {
"properties": {
"field_with_value": {
"type": "pattern_text"
},
"field_without_value": {
"type": "pattern_text"
}
}
}
}
PUT foo/_doc/1
{
"field_with_value": "this is a value 123"
}
# this is ok
GET foo/_search
{
"fields": [
"field_with_value"
]
}
# this fails
GET foo/_search
{
"fields": [
"field_without_value"
]
}
# this also fails
GET foo/_search
{
"fields": [
"*"
]
}
Logs (if relevant)
No response