How to install MCP23017 binding with .jar file

hi alex,
to day, i checked mcp23017 binding, but it not work
i see in: Org.openhab.binding.i2c or org.openhab.binding.mcp23017
and install pi4j and check i2c with command: sudo i2cdetect -y 1
then i check openhab.log and it has error
Line 20106: 2017-06-06 19:54:30.285 [WARN ] [org.openhab.binding.mcp23017 ] - FrameworkEvent WARNING - org.openhab.binding.mcp23017
Line 20106: 2017-06-06 19:54:30.285 [WARN ] [org.openhab.binding.mcp23017 ] - FrameworkEvent WARNING - org.openhab.binding.mcp23017
Line 20256: 2017-06-06 20:09:54.395 [ERROR] [org.openhab.binding.mcp23017 ] - [org.openhab.binding.mcp23017.binding(10)] Error during instantiation of the implementation object
Line 20256: 2017-06-06 20:09:54.395 [ERROR] [org.openhab.binding.mcp23017 ] - [org.openhab.binding.mcp23017.binding(10)] Error during instantiation of the implementation object
Line 20259: at org.openhab.binding.mcp23017.internal.MCP23017Binding.(MCP23017Binding.java:83)
Line 20259: at org.openhab.binding.mcp23017.internal.MCP23017Binding.(MCP23017Binding.java:83)
Line 20259: at org.openhab.binding.mcp23017.internal.MCP23017Binding.(MCP23017Binding.java:83)
Line 20305: 2017-06-06 20:09:54.424 [WARN ] [org.openhab.binding.mcp23017 ] - FrameworkEvent WARNING - org.openhab.binding.mcp23017
Line 20305: 2017-06-06 20:09:54.424 [WARN ] [org.openhab.binding.mcp23017 ] - FrameworkEvent WARNING - org.openhab.binding.mcp23017
Line 20455: 2017-06-06 20:12:40.080 [ERROR] [org.openhab.binding.mcp23017 ] - [org.openhab.binding.mcp23017.binding(10)] Error during instantiation of the implementation object
Line 20455: 2017-06-06 20:12:40.080 [ERROR] [org.openhab.binding.mcp23017 ] - [org.openhab.binding.mcp23017.binding(10)] Error during instantiation of the implementation object
Line 20458: at org.openhab.binding.mcp23017.internal.MCP23017Binding.(MCP23017Binding.java:83)
Line 20458: at org.openhab.binding.mcp23017.internal.MCP23017Binding.(MCP23017Binding.java:83)
Line 20458: at org.openhab.binding.mcp23017.internal.MCP23017Binding.(MCP23017Binding.java:83)
Line 20504: 2017-06-06 20:12:40.110 [WARN ] [org.openhab.binding.mcp23017 ] - FrameworkEvent WARNING - org.openhab.binding.mcp23017
Line 20504: 2017-06-06 20:12:40.110 [WARN ] [org.openhab.binding.mcp23017 ] - FrameworkEvent WARNING - org.openhab.binding.mcp23017
Line 20685: 2017-06-06 20:24:35.998 [ERROR] [el.item.internal.GenericItemProvider] - Binding configuration of type ‘mcp23017’ of item ‘Test1’ could not be parsed correctly.
Line 20688: at org.openhab.binding.mcp23017.internal.MCP23017GenericBindingProvider.processBindingConfiguration(MCP23017GenericBindingProvider.java:80)
Line 20688: at org.openhab.binding.mcp23017.internal.MCP23017GenericBindingProvider.processBindingConfiguration(MCP23017GenericBindingProvider.java:80)
Line 20688: at org.openhab.binding.mcp23017.internal.MCP23017GenericBindingProvider.processBindingConfiguration(MCP23017GenericBindingProvider.java:80)
Line 20771: 2017-06-06 20:24:37.102 [INFO ] [b.core.service.AbstractActiveService] - mcp23017 Refresh Service has been started

so What is my problem?
i install openhab 2 on raspi 3
when i use KNX binding it have knx.cfg. so i can find .cfg file for mcp23017 binding?
thanks you so much for your answer :heart_eyes: