The failures are not related to the mentioned patches. The patches introduce APIs that are not used it.
I see following error following exception causing the failure:
Caused by: java.lang.NullPointerException
at org.ovirt.engine.core.common.businessentities.storage.DiskImageBase.isQcowFormat(DiskImageBase.java:90)
at sun.reflect.GeneratedMethodAccessor342.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.codehaus.jackson.map.ser.BeanPropertyWriter.get(BeanPropertyWriter.java:483)
at org.codehaus.jackson.map.ser.BeanPropertyWriter.serializeAsField(BeanPropertyWriter.java:418)
at org.codehaus.jackson.map.ser.std.BeanSerializerBase.serializeFields(BeanSerializerBase.java:150)