Failed to parse wildcard service – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.7-8.9

Briefly, this error occurs when Elasticsearch tries to parse a wildcard service but fails due to incorrect syntax or invalid characters. This could be due to a malformed query or a misconfigured setting. To resolve this issue, you can check the syntax of your query, ensuring it follows the correct format. Also, verify that the wildcard service does not contain any invalid characters. If the problem persists, consider checking your Elasticsearch configuration settings.

This guide will help you check for common problems that cause the log ” failed to parse wildcard service [{}] ” 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 parse wildcard service [{}]” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 String name = parser.currentName();
 final XContentLocation location = parser.getTokenLocation();
 try {
 services.put(name; WildcardServiceProvider.parse(parser));
 } catch (Exception e) {
 throw new ParsingException(location; "failed to parse wildcard service [{}]"; e; name);
 XContentParserUtils.ensureExpectedToken(XContentParser.Token.END_OBJECT; parser.currentToken(); parser);  XContentParserUtils.ensureExpectedToken(XContentParser.Token.END_OBJECT; parser.nextToken(); parser);


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