Failed to parse modelSnapshot – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

Briefly, this error occurs when Elasticsearch is unable to parse the model snapshot due to issues like incorrect format, corrupted data, or incompatible versions. To resolve this, you can try the following: 1) Check the format of the model snapshot and ensure it’s correct. 2) If the data is corrupted, restore it from a backup. 3) If the issue is due to version incompatibility, consider upgrading or downgrading Elasticsearch to a compatible version.

This guide will help you check for common problems that cause the log ” failed to parse modelSnapshot ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, snapshot.

Log Context

Log “failed to parse modelSnapshot” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 XContentParser parser = XContentFactory.xContent(XContentType.JSON)
 .createParser(NamedXContentRegistry.EMPTY; LoggingDeprecationHandler.INSTANCE; stream)
 ) {
 return LENIENT_PARSER.apply(parser; null).build();
 } catch (IOException e) {
 throw new ElasticsearchParseException("failed to parse modelSnapshot"; e);
 }  public static class Builder {
 private String jobId;