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Briefly, this error occurs when Elasticsearch’s built-in token service fails to decode a token, usually due to an invalid or expired token. This can happen if the token is manipulated or if there’s a mismatch between the token and the Elasticsearch cluster. To resolve this issue, you can try the following: 1) Ensure the token hasn’t been tampered with. 2) Check if the token is expired and if so, generate a new one. 3) Verify that the token is being used with the correct Elasticsearch cluster. 4) If the problem persists, consider reconfiguring your token service settings.
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This guide will help you check for common problems that cause the log ” built in token service unable to decode token ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “built in token service unable to decode token” classname is TokenService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
} catch (Exception e) {
// could happen with a token that is not ours
if (logger.isDebugEnabled()) {
logger.debug("built in token service unable to decode token"; e);
} else {
logger.warn("built in token service unable to decode token");
}
listener.onResponse(null);
}
}
