<?xml version="1.0" encoding="UTF-8"?>
<scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.1.0" activate="start" immediate="true" name="Queue Service and subsystems Service Holder">
   <implementation class="org.eclipse.scanning.event.queues.QueueServicesHolder"/>
   <reference bind="setDeviceService" cardinality="1..1" interface="org.eclipse.scanning.api.device.IRunnableDeviceService" name="IRunnableDeviceService" policy="static" unbind="unsetDeviceService"/>
   <reference bind="setEventService" cardinality="1..1" interface="org.eclipse.scanning.api.event.IEventService" name="IEventService" policy="static" unbind="unsetEventService"/>
   <reference bind="setQueueService" cardinality="1..1" interface="org.eclipse.scanning.api.event.queues.IQueueService" name="IQueueService" policy="static" unbind="unsetQueueService"/>
</scr:component>

<?xml version="1.0" encoding="UTF-8"?>
<scr:component xmlns:scr="http://www.osgi.org/xmlns/scr/v1.1.0" immediate="true" name="Queue Service and subsystems Service Holder">
   <implementation class="org.eclipse.scanning.event.queues.QueueServicesHolder"/>
   <reference bind="setDeviceService" cardinality="1..1" interface="org.eclipse.scanning.api.device.IRunnableDeviceService" name="IRunnableDeviceService" policy="static" unbind="unsetDeviceService"/>
   <reference bind="setEventService" cardinality="1..1" interface="org.eclipse.scanning.api.event.IEventService" name="IEventService" policy="static" unbind="unsetEventService"/>
   <reference bind="setQueueService" cardinality="1..1" interface="org.eclipse.scanning.api.event.queues.IQueueService" name="IQueueService" policy="static" unbind="unsetQueueService"/>
</scr:component>

Remove incorrect activate method for QueueServicesHolder
Remove incorrect activate method for QueueServicesHolder

There is no start() in org.eclipse.scanning.event.queues.QueueServicesHolder