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Pi4B, OH3 and MCP23017

Setup, Configuration and Use Beginners

rossko57 (Rossko57) February 12, 2021, 5:03pm 2

Looks relevant -

MCP23017 on Openhab 3.0 Bindings

Anybody used MCP23017 on OH3.0? “sudo i2cget -y 1 0x20 0x12” I can read pin values from command line but when I add binding v3.0 in Paper UI returned channel value is NULL. and Thing status is like this: “Status: UNINITIALIZED HANDLER_INITIALIZING_ERROR sun/misc/SharedSecrets” in log viewer: “changed from INITIALIZING to UNINITIALIZED (HANDLER_INITIALIZING_ERROR): sun/misc/SharedSecrets” “Caused by: java.lang.ClassNotFoundException: sun.misc.SharedSecrets cannot be found by org.openhab…

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