Briefly, this error occurs when Elasticsearch encounters unexpected characters in the JSON request body. This usually happens due to incorrect formatting or syntax errors in the JSON data. To resolve this issue, you can validate your JSON data using a JSON validator to ensure it’s correctly formatted. Also, ensure that all brackets, commas, and quotation marks are correctly placed. If you’re using a programming language to generate the JSON, ensure that the serialization process is working correctly.
This guide will help you check for common problems that cause the log ” : unexpected trailing characters found [{}] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “: unexpected trailing characters found [{}]” class name is Intervals.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :
startToken = endToken;
}
} if (endToken <= string.length() - 1) {
throw new ParsingException(source; invalidIntervalMessage(string) + ": unexpected trailing characters found [{}]";
string.substring(endToken));
} TemporalAmount interval = units.get(0) == TimeUnit.YEAR || units.get(0) == TimeUnit.MONTH ? Period.ZERO : Duration.ZERO;
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