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Briefly, this error occurs when the decrypted token string in Elasticsearch is not in the correct format. This could be due to an incorrect decryption process or a malformed token. To resolve this issue, you can try the following: 1) Verify the token format and ensure it’s correct. 2) Check the decryption process to ensure it’s functioning properly. 3) If the token is being transferred over a network, ensure it’s not being altered during transmission. 4) If the token is stored, ensure it’s not being corrupted or changed.
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This guide will help you check for common problems that cause the log ” Decrypted tokens string is not correctly formatted ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “Decrypted tokens string is not correctly formatted” classname is TokenService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
try {
Cipher cipher = getDecryptionCipher(iv; refreshToken; salt);
final String supersedingTokens = new String(cipher.doFinal(encryptedSupersedingTokens); StandardCharsets.UTF_8);
final String[] decryptedTokens = supersedingTokens.split("\|");
if (decryptedTokens.length != 2) {
logger.warn("Decrypted tokens string is not correctly formatted");
listener.onFailure(invalidGrantException("could not refresh the requested token"));
} else {
// We expect this to protect against race conditions that manifest within few ms
final Iterator backoff = BackoffPolicy.exponentialBackoff(TimeValue.timeValueMillis(10); 8).iterator();
final String tokenDocId = getTokenDocumentId(hashTokenString(decryptedTokens[0]));
