[midPoint] Ambiguous method overloading

[Wojciech Staszewski]

Hello!

What can be the cause of this error message:

Can't process shadow: null (OID:null): Generic error in connector:
groovy.lang.GroovyRuntimeException(Ambiguous method overloading for
method
org.identityconnectors.common.security.SecurityUtil#decrypt.?Cannot
resolve which method to invoke for [null] due to overlapping prototypes
between:??[class
org.identityconnectors.common.security.GuardedByteArray]??[class
org.identityconnectors.common.security.GuardedString])

This error shows up randomly in the reconciliation tasks and always is
related to ScriptedSQL resources.

I have outbound password mapping, this is the Groovy script part
responsible for password handling:

case "__PASSWORD__":
    // Read user password as clear text, then make sha1 hash with salt
    def SALT =
org.apache.commons.lang.RandomStringUtils.randomAlphanumeric(8);
    def clearpass =
SecurityUtil.decrypt(attributes?.get("__PASSWORD__")?.get(0)).toString()
+ SALT;
    String.metaClass.toSHA1 = { salt = "" ->
    def messageDigest = MessageDigest.getInstance("SHA1")
    messageDigest.update(salt.getBytes())
    messageDigest.update(delegate.getBytes())
    new BigInteger(1, messageDigest.digest()).toString(16).padLeft(40, '0')
    }
    sha1pass = clearpass.toSHA1('');
    sql.executeUpdate("UPDATE users SET password=?, salt=? WHERE
user_id=?",[sha1pass,SALT,uid]);
break;

Thanks for any tips.
Regards,
WS

-- 
Wojciech Staszewski
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