# Not able to write to mongo db

**URL:** <https://forum.cloverdx.com/t/not-able-to-write-to-mongo-db/1523>\
**Category:** CloverDX Platform\
**Created:** [November 16, 2014, 12:00am UTC](https://forum.cloverdx.com/t/not-able-to-write-to-mongo-db/1523 "2014-11-16T00:00:00Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![micky](https://avatars.discourse-cdn.com/v4/letter/m/a5b964/32.png) [@micky](https://forum.cloverdx.com/u/micky)\
**Post date:** [November 16, 2014, 12:00am UTC](https://forum.cloverdx.com/t/not-able-to-write-to-mongo-db/1523/1 "2014-11-16T00:00:00Z")

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Hi ,

I am trying to write some array of json element to mongodb. I used json file url as “port:$0.newValue:discrete” and send to mongodbwriter. But while running the application error occurs.  
is this the right way to do the task. What should be the metadata.

It is very urgent please help

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**Author:** ![David\_Hlidek](https://avatars.discourse-cdn.com/v4/letter/d/58f4c7/32.png) [@David\_Hlidek](https://forum.cloverdx.com/u/David_Hlidek)\
**Post date:** [November 18, 2014, 10:44am UTC](https://forum.cloverdx.com/t/not-able-to-write-to-mongo-db/1523/2 "2014-11-18T10:44:35Z")

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Hi Micky,

Please find attached sample graph. It generate 10 records, serializes them into JSON document and insert into Mongo.

I hope this helps.

- [mongo-write-array.grf](https://cdn.cloverdx.com/forum/15157%5Fbec9f13e3a80c9947d5300bea1c82574/mongo-write-array.grf)