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https://issues.apache.org/jira/browse/NIFI-5288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16507196#comment-16507196
 ] 

ASF GitHub Bot commented on NIFI-5288:
--------------------------------------

Github user mattyb149 commented on a diff in the pull request:

    https://github.com/apache/nifi/pull/2778#discussion_r194241375
  
    --- Diff: 
nifi-nar-bundles/nifi-mongodb-bundle/nifi-mongodb-processors/src/test/java/org/apache/nifi/processors/mongodb/PutMongoRecordIT.java
 ---
    @@ -191,4 +197,33 @@ public void testInsertNestedRecords() throws Exception 
{
             assertEquals(4, collection.count());
             //assertEquals(doc, collection.find().first());
         }
    +
    +    @Test
    +    public void testArrayConversion() throws Exception {
    +        TestRunner runner = init(PutMongoRecord.class);
    +        MockSchemaRegistry registry = new MockSchemaRegistry();
    +        String rawSchema = 
"{\"type\":\"record\",\"name\":\"Test\",\"fields\":[{\"name\":\"nom\",\"type\":\"string\","
 +
    --- End diff --
    
    Also I think let's change the names of fields and values unless we have 
permission from the original user to use such test data.


> PutMongoDB cannot handle arrays
> -------------------------------
>
>                 Key: NIFI-5288
>                 URL: https://issues.apache.org/jira/browse/NIFI-5288
>             Project: Apache NiFi
>          Issue Type: Bug
>    Affects Versions: 1.6.0
>            Reporter: Mike Thomsen
>            Assignee: Mike Thomsen
>            Priority: Major
>
> From the mailing list:
>  
> My json document is \{"nom":"HAMEL","prenom":"YVES","tab":["aa","bb"]}
>  My mecord reader use the schema (generated by InferAvroSchema):
>  {
>    "type" : "record",
>    "name" : "Test",
>    "fields" : [ {
>      "name" : "nom",
>      "type" : "string",
>      "doc" : "Type inferred from '\"HAMEL\"'"
>    }, {
>      "name" : "prenom",
>      "type" : "string",
>      "doc" : "Type inferred from '\"YVES\"'"
>    }, {
>      "name" : "tab",
>      "type" : {
>        "type" : "array",
>        "items" : "string"
>      },
>      "doc" : "Type inferred from '[\"aa\",\"bb\"]'"
>    } ]
>  }
>  
>  I did a little debug and I think I get this exeception because
>  PuMongoRecord maps json array to java array. But the mongodb java drivers
>  doesn't support java array but only support List.



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