Failed to serialise datafeed config with id datafeedId – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 8.4-8.9

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Briefly, this error occurs when Elasticsearch is unable to serialize the datafeed configuration due to issues like incorrect data types, large data size, or network problems. To resolve this, you can check the data types in your datafeed configuration and ensure they are correct. Also, try reducing the size of your data if it’s too large. Lastly, ensure your network connection is stable and reliable.

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This guide will help you check for common problems that cause the log ” Failed to serialise datafeed config with id [” + datafeedId + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “Failed to serialise datafeed config with id [” + datafeedId + “]” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 );  } catch (IOException e) {
 listener.onFailure(new ElasticsearchParseException("Failed to serialise datafeed config with id [" + datafeedId + "]"; e));
 }  /**
 * Get the datafeed config specified by {@code datafeedId}.


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