question: de-reference the output eventadapter service dependency . concode_field_sep ServiceRegistration serviceRegistration concode_elem_sep Log log concode_field_sep void activate concode_elem_sep void setOutputEventAdapterService concode_elem_sep void deactivate
target: void function ( OutputEventAdapterService arg0 ) { DeviceTypeManagementDataHolder . getInstance ( ) . setOutputEventAdapterService ( null ) ; }