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https://issues.apache.org/jira/browse/METAMODEL-225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15252995#comment-15252995
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ASF GitHub Bot commented on METAMODEL-225:
------------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/metamodel/pull/95
> Metamodel throws a UnsupportedOperationException for documents containing
> nested JSON in ElasticSearch
> ------------------------------------------------------------------------------------------------------
>
> Key: METAMODEL-225
> URL: https://issues.apache.org/jira/browse/METAMODEL-225
> Project: Apache MetaModel
> Issue Type: Bug
> Reporter: Akash Suryawanshi
>
> I am using metamodel to connect to elastic search. I created a document in an
> index
> {code}
> PUT /megacorp/employee/1
> {
> "email": "[email protected]",
> "first_name": "John",
> "last_name": "Smith",
> "info": {
> "bio": "Eco-warrior and defender of the weak",
> "age": 25,
> "interests": [ "dolphins", "whales" ]
> },
> "join_date": "2014/05/01"
> }
> {code}
> I create a DataSet and call the getRow method on it. I get the following
> exception
> {code}
> java.lang.UnsupportedOperationException: JsonObject
> at com.google.gson.JsonElement.getAsString(JsonElement.java:191)
> ~[gson-2.2.4.jar:na]
> at
> org.apache.metamodel.elasticsearch.rest.JestElasticSearchUtils.getDataFromColumnType(JestElasticSearchUtils.java:72)
> ~[MetaModel-elasticsearch-rest-4.5.0.jar:4.5.0]
> at
> org.apache.metamodel.elasticsearch.rest.JestElasticSearchUtils.createRow(JestElasticSearchUtils.java:50)
> ~[MetaModel-elasticsearch-rest-4.5.0.jar:4.5.0]
> at
> org.apache.metamodel.elasticsearch.rest.JestElasticSearchDataSet.getRow(JestElasticSearchDataSet.java:126)
> ~[MetaModel-elasticsearch-rest-4.5.0.jar:4.5.0]
> {code}
> However this exception does not occur when the document is a simple JSON
> i.e.. no nested JSON with any of the fields.
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