Becuse of this https://github.com/geoserver/geoserver/pull/8643 the serializer has been added to `libs` in 975a0e0bbc1347a9a6cd1e563bcc513c8d454ead. It will be removed when the printing module will be fixed.
Becuse of this geoserver/geoserver#8643 the serializer has been added to
libsin 975a0e0.It will be removed when the printing module will be fixed.