Details
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Bug
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Status: Closed
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Minor
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Resolution: Fixed
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5.3.1
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None
Description
If the all catch dynamic field '*' is present in a managed schema collection, then any field creation requests through Schema API return the confusing/weird error "Field ${FIELD_NAME} already exists".
Schema of a test collection:
curl -X GET http://localhost:8983/solr/testSQLQueries-eventsim/schema { "responseHeader":{ "status":0, "QTime":0}, "schema":{ "name":"example", "version":1.5, "uniqueKey":"id", "fieldTypes":[{ "name":"boolean", "class":"solr.BoolField", "sortMissingLast":true}, { "name":"double", "class":"solr.TrieDoubleField", "positionIncrementGap":"0", "precisionStep":"0"}, { "name":"float", "class":"solr.TrieFloatField", "positionIncrementGap":"0", "precisionStep":"0"}, { "name":"int", "class":"solr.TrieIntField", "positionIncrementGap":"0", "precisionStep":"0"}, { "name":"long", "class":"solr.TrieLongField", "precisionStep":"6"}, { "name":"string", "class":"solr.StrField", "sortMissingLast":true}, { "name":"tdate", "class":"solr.TrieDateField", "positionIncrementGap":"0", "precisionStep":"6"}], "fields":[{ "name":"_root_", "type":"string", "indexed":true, "stored":false}, { "name":"_version_", "type":"long", "indexed":true, "stored":true}, { "name":"id", "type":"string", "indexed":true, "required":true, "stored":true}], "dynamicFields":[{ "name":"*_tdt", "type":"tdate", "indexed":true, "stored":true}, { "name":"*_txt", "type":"string", "multiValued":true, "indexed":true, "stored":true}, { "name":"*_ss", "type":"string", "multiValued":true, "indexed":true, "stored":true}, { "name":"*_ii", "type":"int", "multiValued":true, "indexed":true, "stored":true}, { "name":"*_ls", "type":"long", "multiValued":true, "indexed":true, "stored":true}, { "name":"*_i", "type":"int", "indexed":true, "stored":true}, { "name":"*_s", "type":"string", "indexed":true, "stored":true}, { "name":"*_l", "type":"long", "indexed":true, "stored":true}, { "name":"*_b", "type":"boolean", "indexed":true, "stored":true}, { "name":"*_f", "type":"float", "indexed":true, "stored":true}, { "name":"*_d", "type":"double", "indexed":true, "stored":true}, { "name":"*", "type":"string", "indexed":true, "stored":true}], "copyFields":[]}}
Create new field 'userId' using Schema API
curl -X POST -H "Content-type:application/json" --data-binary '{"add-field": {"name":"userId","type":"string","indexed":"true","stored":"true"}}' http://localhost:8983/solr/testSQLQueries-eventsim/schema { "responseHeader":{ "status":0, "QTime":6}, "errors":[{ "add-field":{ "name":"userId", "type":"string", "indexed":"true", "stored":"true"}, "errorMessages":["Field 'userId' already exists.\n"]}]}
The field 'userId' does not exist in the schema but it is also not possible to add this field because of the dynamic field '*'.
While one should never define dynamic field '*' in a managed schema, the Schema API should atleast return some useful error message.
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