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https://issues.apache.org/jira/browse/KARAF-5793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16523962#comment-16523962
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Andrey Poltavtsev commented on KARAF-5793:
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Hi [[email protected]], [~xldai],
I opened PR for review. This change allows to disable "dot by underscore
replacement" feature using correspondig configuration paramer (set
replaceDotsByUnderscores=false inside
etc\org.apache.karaf.decanter.marshaller.json.cfg)
> Provide an option replace the dot or not in json field in the JsonMarshaller
> ----------------------------------------------------------------------------
>
> Key: KARAF-5793
> URL: https://issues.apache.org/jira/browse/KARAF-5793
> Project: Karaf
> Issue Type: Improvement
> Components: decanter
> Affects Versions: decanter-2.0.0
> Reporter: Xilai Dai
> Priority: Major
>
> The dot "." is replaced by "_" in json fields after changes from KARAF-4295.
> The reason could be that the field names containing dots will be rejected in
> ES 2.x (https://github.com/elastic/elasticsearch/issues/15951). but ES 5.x,
> 6.x support it again (parse it as Object). see
> https://www.elastic.co/guide/en/elasticsearch/reference/2.4/dots-in-names.html#_enabling_support_for_dots_in_field_names
> . Also there is an ENV option provided by ES to allow dots in the field
> name:
> {code}
> export ES_JAVA_OPTS="-Dmapper.allow_dots_in_name=true"
> {code}
> To give more compatibility and flexibility to the user, we may provide an
> option "replaceDotInFields=true/false" for the Json Marshaller. for now any
> custom fields name with "." woud be replaced by "_" silently.
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