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https://issues.apache.org/jira/browse/SOLR-3967?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13561615#comment-13561615
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Jan Høydahl commented on SOLR-3967:
-----------------------------------
The patch moves the enforce logic to the getMappedField() method.
I also fixed an issue where langid would fallback to original field instead of
aborting in case mapped field does not exist. Will commit shortly if no
objections.
> Mapping error: langid.enforceSchema option checks source field instead of
> target field
> --------------------------------------------------------------------------------------
>
> Key: SOLR-3967
> URL: https://issues.apache.org/jira/browse/SOLR-3967
> Project: Solr
> Issue Type: Bug
> Components: contrib - LangId
> Affects Versions: 4.0
> Reporter: Mateusz Matela
> Assignee: Jan Høydahl
> Fix For: 4.2, 5.0
>
> Attachments: SOLR-3967.patch
>
>
> I use LangDetect update processor with a document that has "body" field.
> LangDetect should map this field to "body_pl", "body_en" or "body_nolang". My
> schema defines fields with language suffixes, but not "body" field. When the
> processor runs, I get error:
> {quote}Unsuccessful field name mapping to body_nolang, field does not exist,
> skipping mapping.{quote}
> I looked up source code and it seems there's an error in
> {{org.apache.solr.update.processor.LanguageIdentifierUpdateProcessor.process(SolrInputDocument)}}:
> {noformat}
> String mappedOutputField = getMappedField(fieldName, fieldLang);
> if(enforceSchema && schema.getFieldOrNull(fieldName) == null) {
> log.warn("Unsuccessful field name mapping to {}, field does not
> exist, skipping mapping.", mappedOutputField, fieldName);
> mappedOutputField = fieldName;
> }
> {noformat}
> I think it should check for {{schema.getFieldOrNull(mappedOutputField)}}
> instead.
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