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Gpio pin already exist Exception [message #1609495] Tue, 10 February 2015 06:31 Go to next message
manikandan panchabihesan is currently offline manikandan panchabihesanFriend
Messages: 3
Registered: February 2015
Junior Member
I am working on kura in that blinking LED light by using pi4j with gpio in raspberry pi. But it is working first time.When running second time i got the below error,

com.pi4j.io.gpio.exception.GpioPinExistsException: This GPIO pin already exists: GPIO 1
com.pi4j.io.gpio.impl.GpioControllerImpl.provisionPin(GpioControllerImpl.java:507)
com.pi4j.io.gpio.impl.GpioControllerImpl.provisionDigitalOutputPin(GpioControllerImpl.java:645)
com.pi4j.io.gpio.impl.GpioControllerImpl.provisionDigitalOutputPin(GpioControllerImpl.java:672)

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Re: Gpio pin already exist Exception [message #1614227 is a reply to message #1609495] Fri, 13 February 2015 05:28 Go to previous messageGo to next message
Vignesh Seraraj is currently offline Vignesh SerarajFriend
Messages: 16
Registered: December 2014
Junior Member
At last I found solution from google group i have to unProvisionPin to clear reference of pi4j

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Re: Gpio pin already exist Exception [message #1614899 is a reply to message #1614227] Fri, 13 February 2015 15:16 Go to previous message
Eric Rizzo is currently offline Eric RizzoFriend
Messages: 3070
Registered: July 2009
Senior Member
These forums are for questions about Eclipse, using it an IDE and/or the various projects hosted/managed by eclipse.org.

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