2017-08-28 13:34:46.224 [ERROR] [rt.modbus.internal.ModbusManagerImpl] - Unhandled exception java.lang.NullPointerException null
java.lang.NullPointerException: null
        at org.openhab.binding.modbus.handler.ModbusReadThingHandler.lambda$5(ModbusReadThingHandler.java:346) ~[?:?]
        at java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1548) ~[?:?]
        at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:?]
        at org.openhab.binding.modbus.handler.ModbusReadThingHandler.processUpdatedValue(ModbusReadThingHandler.java:344) ~[?:?]
        at org.openhab.binding.modbus.handler.ModbusReadThingHandler.onBits(ModbusReadThingHandler.java:303) ~[?:?]
        at org.openhab.binding.modbus.handler.ModbusReadWriteThingHandler.lambda$4(ModbusReadWriteThingHandler.java:109) ~[?:?]
        at org.openhab.binding.modbus.handler.ModbusReadWriteThingHandler.lambda$6(ModbusReadWriteThingHandler.java:133) ~[?:?]
        at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1374) ~[?:?]
        at java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:580) ~[?:?]
        at org.openhab.binding.modbus.handler.ModbusReadWriteThingHandler.forEachChildReader(ModbusReadWriteThingHandler.java:132) ~[?:?]
        at org.openhab.binding.modbus.handler.ModbusReadWriteThingHandler.onBits(ModbusReadWriteThingHandler.java:108) ~[?:?]
        at org.openhab.binding.modbus.handler.ModbusPollerThingHandlerImpl$ReadCallbackDelegator.lambda$3(ModbusPollerThingHandlerImpl.java:70) ~[?:?]
        at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:184) ~[?:?]
        at java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:193) ~[?:?]
        at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:175) ~[?:?]
        at java.util.Iterator.forEachRemaining(Iterator.java:116) ~[?:?]
        at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1801) ~[?:?]
        at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) ~[?:?]
        at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) ~[?:?]
        at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151) ~[?:?]
        at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174) ~[?:?]
        at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?]
        at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418) ~[?:?]
        at org.openhab.binding.modbus.handler.ModbusPollerThingHandlerImpl$ReadCallbackDelegator.forEachAllChildCallbacks(ModbusPollerThingHandlerImpl.java:60) ~[?:?]
        at org.openhab.binding.modbus.handler.ModbusPollerThingHandlerImpl$ReadCallbackDelegator.onBits(ModbusPollerThingHandlerImpl.java:70) ~[?:?]
        at org.openhab.io.transport.modbus.internal.ModbusManagerImpl.invokeCallbackWithResponse(ModbusManagerImpl.java:211) ~[?:?]
        at org.openhab.io.transport.modbus.internal.ModbusManagerImpl.lambda$8(ModbusManagerImpl.java:482) ~[?:?]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:?]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:?]
        at java.lang.Thread.run(Thread.java:748) [?:?]