Error serialising – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-8.3

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Briefly, this error occurs when Elasticsearch is unable to convert an object into a format that can be stored or transmitted. This could be due to incompatible data types, large data size, or incorrect configuration. To resolve this issue, you can: 1) Check the data types of your fields and ensure they are compatible with Elasticsearch. 2) Reduce the size of your data if it’s too large. 3) Review your Elasticsearch configuration settings for any errors. 4) Ensure that the object you’re trying to serialize is serializable.

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This guide will help you check for common problems that cause the log ” [{}] Error serialising {} ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “[{}] Error serialising {}” classname is JobResultsPersister.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

        private void indexResult(String id; ToXContent resultDoc; ToXContent.Params params; String resultType) {
            try (XContentBuilder content = toXContentBuilder(resultDoc; params)) {
                bulkRequest.add(new IndexRequest(indexName).id(id).source(content));
            } catch (IOException e) {
                logger.error(new ParameterizedMessage("[{}] Error serialising {}"; jobId; resultType); e);
            }

            if (bulkRequest.numberOfActions() >= JobRenormalizedResultsPersister.BULK_LIMIT) {
                executeRequest();
            }

 

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