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Failed to open serial port.
gnu.io.NoSuchPortException: 	at gnu.io.CommPortIdentifier.getPortIdentifier(CommPortIdentifier.java:273)	at org.openhab.binding.upb.internal.UPBBinding.openSerialPort(UPBBinding.java:232)	at org.openhab.binding.upb.internal.UPBBinding.activate(UPBBinding.java:77)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at org.apache.felix.scr.impl.helper.BaseMethod.invokeMethod(BaseMethod.java:222)	at org.apache.felix.scr.impl.helper.BaseMethod.access$500(BaseMethod.java:37)	at org.apache.felix.scr.impl.helper.BaseMethod$Resolved.invoke(BaseMethod.java:615)	at org.apache.felix.scr.impl.helper.BaseMethod.invoke(BaseMethod.java:499)	at org.apache.felix.scr.impl.helper.ActivateMethod.invoke(ActivateMethod.java:295)	at org.apache.felix.scr.impl.manager.SingleComponentManager.createImplementationObject(SingleComponentManager.java:302)	at org.apache.felix.scr.impl.manager.SingleComponentManager.createComponent(SingleComponentManager.java:113)	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:866)	at org.apache.felix.scr.impl.manager.SingleComponentManager.getServiceInternal(SingleComponentManager.java:833)	at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:774)	at org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse$1.run(ServiceFactoryUse.java:212)	at java.security.AccessController.doPrivileged(Native Method)	at org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse.factoryGetService(ServiceFactoryUse.java:210)	at org.eclipse.osgi.internal.serviceregistry.ServiceFactoryUse.getService(ServiceFactoryUse.java:111)	at org.eclipse.osgi.internal.serviceregistry.ServiceConsumer$2.getService(ServiceConsumer.java:45)	at org.eclipse.osgi.internal.serviceregistry.ServiceRegistrationImpl.getService(ServiceRegistrationImpl.java:496)	at org.eclipse.osgi.internal.serviceregistry.ServiceRegistry.getService(ServiceRegistry.java:461)	at org.eclipse.osgi.internal.framework.BundleContextImpl.getService(BundleContextImpl.java:619)	at org.apache.felix.eventadmin.impl.handler.EventHandlerProxy.obtain(EventHandlerProxy.java:286)	at org.apache.felix.eventadmin.impl.handler.EventHandlerProxy.sendEvent(EventHandlerProxy.java:407)	at org.apache.felix.eventadmin.impl.tasks.HandlerTask.runWithoutBlacklistTiming(HandlerTask.java:102)	at org.apache.felix.eventadmin.impl.tasks.SyncDeliverTasks.execute(SyncDeliverTasks.java:104)	at org.apache.felix.eventadmin.impl.tasks.AsyncDeliverTasks$TaskExecuter.run(AsyncDeliverTasks.java:163)	at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)	at java.util.concurrent.FutureTask.run(FutureTask.java:266)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)