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https://issues.apache.org/jira/browse/NIFI-5288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16507220#comment-16507220
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ASF GitHub Bot commented on NIFI-5288:
--------------------------------------
Github user MikeThomsen commented on a diff in the pull request:
https://github.com/apache/nifi/pull/2778#discussion_r194242476
--- Diff:
nifi-nar-bundles/nifi-mongodb-bundle/nifi-mongodb-processors/src/main/java/org/apache/nifi/processors/mongodb/PutMongoRecord.java
---
@@ -154,4 +154,28 @@ public void onTrigger(final ProcessContext context,
final ProcessSession session
}
session.commit();
}
+
+ private Document convertArrays(Document doc) {
+ Document retVal = new Document();
+ for (Map.Entry<String, Object> entry : doc.entrySet()) {
+ if (entry.getValue() != null &&
entry.getValue().getClass().isArray()) {
+ List items = new ArrayList();
+ Object[] values = (Object[])entry.getValue();
+ for (int index = 0; index < values.length; index++) {
--- End diff --
Saw mostly variations of
[this](http://apache-avro.679487.n3.nabble.com/Avro-schema-for-nested-arrays-doesn-t-work-td1455659.html).
> 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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