Cannot parse date claim claimName – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 8.6-8.6

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Briefly, this error occurs when Elasticsearch is unable to parse a date claim due to incorrect format or data type. This could be because the date format in the claim doesn’t match the expected format, or the claim might not be a date at all. To resolve this issue, ensure that the date claim is in the correct format as expected by Elasticsearch. If the claim is not a date, you may need to convert it to a date or adjust your query to treat it as a different data type.

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This guide will help you check for common problems that cause the log ” cannot parse date claim [” + claimName + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “cannot parse date claim [” + claimName + “]” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 public void validate(JWSHeader jwsHeader; JWTClaimsSet jwtClaimsSet) {
 final Date claimValue;
 try {
 claimValue = jwtClaimsSet.getDateClaim(claimName);
 } catch (ParseException e) {
 throw new ElasticsearchSecurityException("cannot parse date claim [" + claimName + "]"; RestStatus.BAD_REQUEST; e);
 }  if (claimValue == null) {
 if (allowNull) {


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