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https://issues.apache.org/jira/browse/METRON-1526?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16443063#comment-16443063
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ASF GitHub Bot commented on METRON-1526:
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Github user merrimanr commented on the issue:
https://github.com/apache/metron/pull/995
Let's say you want to add/remove/change a field in an existing document.
You would lookup the document, make your change, then reindex the document.
The problem is that expanded fields (polyfields) are returned when you lookup a
document. If you try to reindex those fields you will get an error.
This has more to do with field types than adding fields. The only way you
could cause a problem by adding a field is if you happened to add a field that
is a polyfield type that we are not handling. If we can put something in place
that handles all polyfield types, I think we're ok.
> Location field types cause DocValuesField appear more than once error
> ---------------------------------------------------------------------
>
> Key: METRON-1526
> URL: https://issues.apache.org/jira/browse/METRON-1526
> Project: Metron
> Issue Type: Bug
> Reporter: Ryan Merriman
> Assignee: Ryan Merriman
> Priority: Major
>
> While testing [https://github.com/apache/metron/pull/970] I get this error
> when creating a meta alert:
> {code:java}
> Error from server at http://10.0.2.15:8983/solr/bro: Exception writing
> document id bbc150f5-92f8-485d-93cc-11730c1edf31 to the index; possible
> analysis error: DocValuesField
> \"enrichments.geo.ip_dst_addr.location_point_0_coordinate\" appears more than
> once in this document (only one value is allowed per field){code}
> I tracked it down to the fact that multiple fields are returned for a
> location field. For example when a field named
> "enrichments.geo.ip_dst_addr.location_point" is configured in a schema, these
> fields are returned in a query:
> {code:java}
> {
> "enrichments.geo.ip_dst_addr.location_point_0_coordinate": "33.4499",
> "enrichments.geo.ip_dst_addr.location_point_1_coordinate": "-112.0712",
> "enrichments.geo.ip_dst_addr.location_point": "33.4499,-112.0712"
> }
> {code}
> We need a way to either suppress these extra fields when querying or remove
> them before updating a document.
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