Hi,
We have this error in the log and we use jwt token. We have generated jwt
token with generate-jwt --subject login. When we iuse token, the
authentification is ok but there are the error in log file :
2025-06-12 08:27:46,698 WARN [org.apereo.cas.util.function.FunctionUtils] -
<org.jooq.lambda.UncheckedException: org.jose4j.lang.JoseException: A JWS
Compact Serialization must have exactly 3 parts separated by period ('.')
characters
AbstractCipherExecutor.java:verifySignature:188
BaseStringCipherExecutor.java:lambda$verifyAndDecrypt$4:275
FunctionUtils.java:lambda$doIf$3:110
BaseStringCipherExecutor.java:verifyAndDecrypt:276
>
2025-06-12 08:27:46,699 WARN [org.apereo.cas.util.function.FunctionUtils] -
<DecryptionException
EncodingUtils.java:decryptJwtValue:480
BaseStringCipherExecutor.java:verifyAndDecrypt:283
BaseStringCipherExecutor.java:decode:129
BaseStringCipherExecutor.java:decode:123
>
2025-06-12 08:27:46,699 ERROR
[org.apereo.cas.authentication.DefaultAuthenticationManager] -
<Authentication has failed. Credentials may be incorrect or CAS cannot find
authentication handler that supports
[TokenCredential(super=BasicIdentifiableCredential(id=eyJjdHkiOiJKV1QiLCJlbmMiOiJBMTkyQ0JDLUhTMzg0IiwiYWxnIjoiZGlyIn0......),
service=AbstractWebApplicationService(id=https://ade.univ-brest.fr/direct/,
originalUrl=https://ade.univ-brest.fr/direct/, artifactId=null,
principal=null, source=service, tenant=null, loggedOutAlready=false,
format=XML,
attributes={headers={jakarta.servlet.http.HttpServletRequest.header-host=[cas.univ-brest.fr],
jakarta.servlet.http.HttpServletRequest.header-user-agent=[curl/7.74.0],
jakarta.servlet.http.HttpServletRequest.header-accept=[*/*],
jakarta.servlet.http.HttpServletRequest.header-content-length=[447],
jakarta.servlet.http.HttpServletRequest.header-content-type=[application/x-www-form-urlencoded]},
service=[https://ade.univ-brest.fr/direct/],
httpRequest={jakarta.servlet.http.HttpServletRequest.httpMethod=[POST],
jakarta.servlet.http.HttpServletRequest.requestURL=[https://cas.univ-brest.fr/cas/login],
jakarta.servlet.http.HttpServletRequest.requestURI=[/cas/login],
jakarta.servlet.http.HttpServletRequest.requestId=[5bdc2],
jakarta.servlet.http.HttpServletRequest.contentType=[application/x-www-form-urlencoded],
jakarta.servlet.http.HttpServletRequest.contextPath=[/cas],
jakarta.servlet.http.HttpServletRequest.localeName=[cas.univ-brest.fr]},
token=****************]}))] of type [TokenCredential]. Examine the
configuration to ensure a method of authentication is defined and analyze
CAS logs at DEBUG level to trace the authentication event.>
2025-06-12 08:27:46,699 ERROR
[org.apereo.cas.authentication.DefaultAuthenticationManager] -
<[OAuth20AccessTokenAuthenticationHandler]: [1 errors, 0 successes / Unable
to validate JWT signature]>
Thanks,
Eric
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