Can it be related to this? OH2 my.openHAB shows offline and nothing in logs
Another option is that the http binding configures something, but I cannot find the sources of http binding, do you have an idea in which sub project they live 
Can it be related to this? OH2 my.openHAB shows offline and nothing in logs
Another option is that the http binding configures something, but I cannot find the sources of http binding, do you have an idea in which sub project they live