Node_disconnected_exception - while trying to get data using Scroll Api

Elastic Stack Elasticsearch
1

hi all , we are trying to get data from es , using scroll api . where we try to use scroll_request to get scroll id and scroll data but some large indices , its failing


Error :
 node_disconnected_exception , 'status': 500
'root_cause': type': 'node_disconnected_exception',

[indices:data/read/search[phase/fetch/id]] disconnected'}], 'type': 'search_phase_execution_exception', 'reason': 'all shards failed', 'phase': 'fetch', 'grouped': True, 'failed_shards':
2

anyone please help me ....

3

We will need more information to be able to help.

What version of Elasticsearch are you running?
What do the logs on the master node show when you get this error?