Log which encrypted configuration value is improperly formatted

2019-12-31 05:42:26,515 INFO [main] o.a.n.properties.ProtectedNiFiProperties There are 5 protected properties of 5 sensitive properties (100%)
2019-12-31 05:42:26,517 ERROR [main] org.apache.nifi.NiFi Failure to launch NiFi due to java.lang.IllegalArgumentException: There was an issue decrypting protected properties
java.lang.IllegalArgumentException: There was an issue decrypting protected properties
at org.apache.nifi.NiFi.initializeProperties(NiFi.java:341)
at org.apache.nifi.NiFi.convertArgumentsToValidatedNiFiProperties(NiFi.java:309)
at org.apache.nifi.NiFi.main(NiFi.java:300)
Caused by: java.lang.IllegalArgumentException: The cipher text does not contain the delimiter || -- it should be of the form Base64(IV) || Base64(cipherText)
at org.apache.nifi.properties.AESSensitivePropertyProvider.unprotect(AESSensitivePropertyProvider.java:217)
at org.apache.nifi.properties.ProtectedNiFiProperties.unprotectValue(ProtectedNiFiProperties.java:524)
at org.apache.nifi.properties.ProtectedNiFiProperties.getUnprotectedProperties(ProtectedNiFiProperties.java:343)
at org.apache.nifi.properties.NiFiPropertiesLoader.load(NiFiPropertiesLoader.java:209)
at org.apache.nifi.properties.NiFiPropertiesLoader.load(NiFiPropertiesLoader.java:223)
at org.apache.nifi.properties.NiFiPropertiesLoader.loadDefault(NiFiPropertiesLoader.java:130)
at org.apache.nifi.properties.NiFiPropertiesLoader.get(NiFiPropertiesLoader.java:241)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.nifi.NiFi.initializeProperties(NiFi.java:336)
... 2 common frames omitted
Received trapped signal, beginning shutdown...

            try {
                SensitivePropertyProvider sensitivePropertyProvider = getSensitivePropertyProvider(protectionScheme);
                return sensitivePropertyProvider.unprotect(retrievedValue);
            } catch (SensitivePropertyProtectionException e) {
                throw new SensitivePropertyProtectionException("Error unprotecting value for " + key, e.getCause());
            }