I have checked the log files and found this error message:
2017-10-14 12:18:59.499 [ERROR] [ternal.profiles.DefaultMasterProfile] - Exception occurred while calling handler: java.lang.NullPointerException
java.util.concurrent.ExecutionException: java.lang.NullPointerException
at org.eclipse.smarthome.core.common.SafeMethodCaller.executeDirectly(SafeMethodCaller.java:220) ~[?:?]
…
Caused by: java.lang.NullPointerException
at org.openhab.binding.mihome.internal.EncryptionHelper.encrypt(EncryptionHelper.java:69) ~[?:?]
at org.openhab.binding.mihome.internal.EncryptionHelper.encrypt(EncryptionHelper.java:42) ~[?:?]
at org.openhab.binding.mihome.handler.XiaomiBridgeHandler.getEncryptedKey(XiaomiBridgeHandler.java:291) ~[?:?]
at org.openhab.binding.mihome.handler.XiaomiBridgeHandler.createDataJsonString(XiaomiBridgeHandler.java:277) ~[?:?]
at org.openhab.binding.mihome.handler.XiaomiBridgeHandler.writeToBridge(XiaomiBridgeHandler.java:273) ~[?:?]
at org.openhab.binding.mihome.handler.XiaomiActorGatewayHandler.writeBridgeLightColor(XiaomiActorGatewayHandler.java:188) ~[?:?]
at org.openhab.binding.mihome.handler.XiaomiActorGatewayHandler.writeBridgeLightColor(XiaomiActorGatewayHandler.java:184) ~[?:?]
at org.openhab.binding.mihome.handler.XiaomiActorGatewayHandler.execute(XiaomiActorGatewayHandler.java:73) ~[?:?]
at org.openhab.binding.mihome.handler.XiaomiDeviceBaseHandler.handleCommand(XiaomiDeviceBaseHandler.java:104) ~[?:?]
at org.eclipse.smarthome.core.thing.internal.profiles.DefaultMasterProfile$1.call(DefaultMasterProfile.java:54) ~[?:?]
at org.eclipse.smarthome.core.thing.internal.profiles.DefaultMasterProfile$1.call(DefaultMasterProfile.java:1) ~[?:?]
at org.eclipse.smarthome.core.common.SafeMethodCaller.executeDirectly(SafeMethodCaller.java:218) ~[?:?]
… 27 more
Perhaps this might be the cause of the problems I have. Would be really nice if one of the xiaomi binding devs could jump in here.
Thank you!