Failed to serialise job with id job getId – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch is unable to serialize a job due to issues like incorrect data types, large data size, or network problems. To resolve this, you can check the data types of your job fields to ensure they are serializable. If the job data is too large, consider breaking it down into smaller chunks. Also, ensure your network connection is stable and reliable. If the problem persists, you may need to debug your code to identify any underlying issues.

This guide will help you check for common problems that cause the log ” Failed to serialise job with id [” + job.getId() + “] ” 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 job with id [” + job.getId() + “]” 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 job with id [" + job.getId() + "]"; e));
 }  /**
 * Get the anomaly detector job specified by {@code jobId}.