org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'settingsManager' defined in class path resource [KB:applicationContext.xml]: Cannot resolve reference to bean 'upgradeManager' while setting bean property 'upgradeManager'; 
nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'upgradeManager' defined in class path resource [KB:upgradeSubsystemContext.xml]: Cannot resolve reference to bean 'fopConfigAndFontMetricsUpgradeTask' while setting bean property 'upgradeTasks' with key [KB:50]; 
nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'fopFactory' defined in class path resource [KB:importExportSubsystemContext.xml]: Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'userConfig' of bean class [KB:org.apache.fop.apps.FopFactory]: Bean property 'userConfig' is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter?