in src/main/java/com/amazonaws/secretsmanager/util/Config.java [282:288]
private void throwIfPropertyIsNotSet(String propertyName) {
if (config.getProperty(propertyName) == null) {
throw new NoSuchElementException(fullPropertyName(propertyName)
+ " property must be specified either in " + Config.CONFIG_FILE_NAME
+ " or in the system properties.");
}
}