# Indexing error after elasticsearch upgrade

**URL:** <https://discuss.elastic.co/t/indexing-error-after-elasticsearch-upgrade/182961>\
**Category:** Elasticsearch\
**Created:** [May 27, 2019, 7:22pm UTC](https://discuss.elastic.co/t/indexing-error-after-elasticsearch-upgrade/182961 "2019-05-27T19:22:32Z")\
**Posts on this page:** 6\
**Page:** 1

<div class="post-metadata">

**Author:** ![elk11](https://avatars.discourse-cdn.com/v4/letter/e/45deac/32.png) [@elk11](https://discuss.elastic.co/u/elk11)\
**Post date:** [May 27, 2019, 7:22pm UTC](https://discuss.elastic.co/t/indexing-error-after-elasticsearch-upgrade/182961/1 "2019-05-27T19:22:32Z")

</div>

Hi,

I recently upgraded elasticsearch cluster from 5.x to 7.x.

Post this upgrade, I'm seeing below error while indexing data:

` **00:42:53** File "/usr/local/lib/python2.7/site-packages/elasticsearch/client/utils.py", line 84, in _wrapped **00:42:53** return func(*args, params=params, **kwargs)**00:42:53 **File "/usr/local/lib/python2.7/site-packages/elasticsearch/client/ __init__.py", line 362, in index** 00:42:53 **body=body,** 00:42:53 **File "/usr/local/lib/python2.7/site-packages/elasticsearch/transport.py", line 280, in perform_request** 00:42:53**body = self.serializer.dumps(body)**00:42:53 **File "/usr/local/lib/python2.7/site-packages/elasticsearch/serializer.py", line 55, in dumps** 00:42:53**raise SerializationError(data, e)**00:42:53** elasticsearch.exceptions.SerializationError:`

same data indexing into older cluster still works.

Thanks.

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<div class="post-metadata">

**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [May 27, 2019, 11:55pm UTC](https://discuss.elastic.co/t/indexing-error-after-elasticsearch-upgrade/182961/2 "2019-05-27T23:55:59Z")

</div>

What version of the python client are you using?

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<div class="post-metadata">

**Author:** ![elk11](https://avatars.discourse-cdn.com/v4/letter/e/45deac/32.png) [@elk11](https://discuss.elastic.co/u/elk11)\
**Post date:** [May 28, 2019, 10:59am UTC](https://discuss.elastic.co/t/indexing-error-after-elasticsearch-upgrade/182961/3 "2019-05-28T10:59:54Z")

</div>

@warkolm I'm using elasticsearch-py 7.0.0

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<div class="post-metadata">

**Author:** ![elk11](https://avatars.discourse-cdn.com/v4/letter/e/45deac/32.png) [@elk11](https://discuss.elastic.co/u/elk11)\
**Post date:** [May 28, 2019, 8:02pm UTC](https://discuss.elastic.co/t/indexing-error-after-elasticsearch-upgrade/182961/4 "2019-05-28T20:02:19Z")

</div>

I'm using es.index to create/update index.

Usage:

es.index(index=index, body=body, id=record\_id)

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<div class="post-metadata">

**Author:** ![elk11](https://avatars.discourse-cdn.com/v4/letter/e/45deac/32.png) [@elk11](https://discuss.elastic.co/u/elk11)\
**Post date:** [May 29, 2019, 10:29am UTC](https://discuss.elastic.co/t/indexing-error-after-elasticsearch-upgrade/182961/5 "2019-05-29T10:29:01Z")

</div>

I tried using bulk() but still i hit serialisation issue.

```
        jsonobject = {
            '_index': index,
            '_source': body,
            '_id': record_id
        }
        actions = [jsonobject]
        helpers.bulk(es, actions)

```

` **02:31:57** helpers.bulk(es, actions, chunk_size=1000) **02:31:57** File "/usr/local/lib/python2.7/site-packages/elasticsearch/helpers/actions.py", line 300, in bulk **02:31:57** for ok, item in streaming_bulk(client, actions, *args, **kwargs):**02:31:57 **File "/usr/local/lib/python2.7/site-packages/elasticsearch/helpers/actions.py", line 212, in streaming_bulk** 02:31:57 **actions, chunk_size, max_chunk_bytes, client.transport.serializer** 02:31:57 **File "/usr/local/lib/python2.7/site-packages/elasticsearch/helpers/actions.py", line 70, in _chunk_actions** 02:31:57**data = serializer.dumps(data)**02:31:57 **File "/usr/local/lib/python2.7/site-packages/elasticsearch/serializer.py", line 55, in dumps** 02:31:57** raise SerializationError(data, e)`

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [June 26, 2019, 10:29am UTC](https://discuss.elastic.co/t/indexing-error-after-elasticsearch-upgrade/182961/6 "2019-06-26T10:29:02Z")

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