Alexa Binding; How to integrate a Rollershutter?

OK, sorry for the confusion, I spend now some more time to check my system, I have genrally trouble to discover new items with alexa.

My Items discovered with OH 2.4 still work in the Alexa App, but I cant get any new ones in.

Here is what I did so far:

  1. I followed strictly the description: Alexa Smart Home Skill - No devices found - Solution - #2 by Celaeno1
    → cleaned up rest/items, deleted all items…
  2. It seems that my server connections are OK, the existing and already discovered items still receive the alexa commands

these are my test items which I want to discover:

Rollershutter   HM_EG_TE_Markise_links_Proxy         "Markise links [%d %%]" (EG_Garten) { alexa="RangeController.rangeValue"  }
Dimmer          HM_EG_TE_Markise_links_AlexatestProxy         "Markise links test [%d %%]" (EG_Garten) [ "Switchable" ]  

none of these are discovered

my logfile

2020-03-31 22:07:41.081 [ome.event.ItemCommandEvent] - Item 'EG_WO_Rollladen_Links_Proxy' received command DOWN

2020-03-31 22:07:41.099 [vent.ItemStateChangedEvent] - EG_WO_Rollladen_Links_Proxy changed from 45 to 100

2020-03-31 22:07:45.063 [ome.event.ItemCommandEvent] - Item 'EG_WO_Rollladen_Links_Set' received command 0

2020-03-31 22:07:45.068 [nt.ItemStatePredictedEvent] - EG_WO_Rollladen_Links_Set predicted to become 0

2020-03-31 22:07:46.061 [vent.ItemStateChangedEvent] - EG_WO_Rollladen_Links_Level changed from 45 to 43

2020-03-31 22:07:46.088 [vent.ItemStateChangedEvent] - EG_WO_Rollladen_Links_Proxy changed from 100 to 43

2020-03-31 22:07:57.420 [vent.ItemStateChangedEvent] - homematic_bridge_3014F711A061A7D8A9AB31F2_DUTY_CYCLE_RATIO changed from 42 to 43

2020-03-31 22:07:58.702 [vent.ItemStateChangedEvent] - EG_WO_Rollladen_Links_Level changed from 43 to 0

2020-03-31 22:07:58.725 [vent.ItemStateChangedEvent] - EG_WO_Rollladen_Links_Proxy changed from 43 to 0

2020-03-31 22:08:10.594 [ome.event.ItemCommandEvent] - Item 'Cat_wants_out' received command ON

2020-03-31 22:08:10.616 [vent.ItemStateChangedEvent] - Cat_wants_out changed from OFF to ON

2020-03-31 22:08:10.654 [ome.event.ItemCommandEvent] - Item 'EG_WO_Rollladen_Links_Proxy' received command 35

2020-03-31 22:08:10.681 [vent.ItemStateChangedEvent] - EG_WO_Rollladen_Links_Proxy changed from 0 to 35

2020-03-31 22:08:10.725 [ome.event.ItemCommandEvent] - Item 'EG_WO_Rollladen_Links_Set' received command 35

2020-03-31 22:08:10.729 [nt.ItemStatePredictedEvent] - EG_WO_Rollladen_Links_Set predicted to become 35

2020-03-31 22:08:10.779 [vent.ItemStateChangedEvent] - EG_WO_Rollladen_Links_Set changed from 0 to 35

2020-03-31 22:08:11.054 [vent.ItemStateChangedEvent] - EG_WO_Rollladen_Links_Set changed from 35 to 0

2020-03-31 22:08:11.542 [vent.ItemStateChangedEvent] - EG_WO_Rollladen_Links_Level changed from 0 to 1

2020-03-31 22:08:11.565 [vent.ItemStateChangedEvent] - EG_WO_Rollladen_Links_Proxy changed from 35 to 1

2020-03-31 22:08:22.261 [vent.ItemStateChangedEvent] - EG_WO_Rollladen_Links_Level changed from 1 to 35

2020-03-31 22:08:22.288 [vent.ItemStateChangedEvent] - EG_WO_Rollladen_Links_Proxy changed from 1 to 35

2020-03-31 22:08:22.313 [vent.ItemStateChangedEvent] - EG_WO_Rollladen_Links_Set changed from 0 to 35

2020-03-31 22:10:37.061 [vent.ItemStateChangedEvent] - PV_AC_Voltage changed from 231.3 to 231.2

2020-03-31 22:12:13.189 [vent.ItemStateChangedEvent] - homematic_bridge_3014F711A061A7D8A9AB31F2_DUTY_CYCLE_RATIO changed from 43 to 39

2020-03-31 22:15:37.404 [vent.ItemStateChangedEvent] - PV_AC_Voltage changed from 231.2 to 230.6

2020-03-31 22:17:14.094 [vent.ItemStateChangedEvent] - homematic_bridge_3014F711A061A7D8A9AB31F2_DUTY_CYCLE_RATIO changed from 39 to 35

2020-03-31 22:20:39.054 [vent.ItemStateChangedEvent] - PV_AC_Voltage changed from 230.6 to 231.5

2020-03-31 22:22:15.064 [vent.ItemStateChangedEvent] - homematic_bridge_3014F711A061A7D8A9AB31F2_DUTY_CYCLE_RATIO changed from 35 to 31

==> /var/log/openhab2/openhab.log <==

2020-03-31 22:24:20.467 [INFO ] [el.core.internal.ModelRepositoryImpl] - Refreshing model 'default.items'

==> /var/log/openhab2/events.log <==

2020-03-31 22:24:20.587 [vent.ItemStateChangedEvent] - HM_EG_TE_Markise_rechts_Proxy changed from NULL to 1

2020-03-31 22:24:20.625 [vent.ItemStateChangedEvent] - HM_EG_TE_Markise_vertikal_Proxy changed from NULL to 99

2020-03-31 22:24:30.464 [vent.ItemStateChangedEvent] - homematic_bridge_3014F711A061A7D8A9AB31F2_DUTY_CYCLE_RATIO changed from 31 to 32

2020-03-31 22:25:30.616 [vent.ItemStateChangedEvent] - homematic_bridge_3014F711A061A7D8A9AB31F2_DUTY_CYCLE_RATIO changed from 32 to 33