[ERROR] [DAAPI] iso=-1:[I2C] cannot open /dev/i2c-1 bus file

I am running the TemperatureSensor project from lesson 2
I can detect the BMP180
pi@raspberrypi ~/javame81ea/bin $ sudo i2cdetect -y 1
     0 1 2 3 4 5 6 7 8 9 a b c d e f
00:          -- -- -- -- -- -- -- -- -- -- -- -- --
10: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
20: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
30: -- -- -- -- -- -- -- -- -- -- -- UU -- -- -- --
40: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
50: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
60: -- -- -- -- -- -- -- -- -- -- -- -- -- -- -- --
70: -- -- -- -- -- -- -- 77
I can retrieve the I2CDeviceConfig info
Controller Name:   null
Controller Number: 1
Address:           0x77
Address Size:      7
Clock Frequency:   3400000
My API permissions are
jdk.dio.DeviceMgmtPermission "*:*" "open"
jdk.dio.i2cbus.I2CPermission "*:*"
But when I attempt
myDevice = DeviceManager.open(config);
I get
[ERROR] [DAAPI] iso=-1:[I2C] cannot open /dev/i2c-1 bus file
Any suggestions?

Hi Tom,
I stepped back and removed the BMP180 entirely. The UU remained.
Googling "raspberry pi UU" yielded
https://github.com/raspberrypi/linux/issues/581
which referenced
http://www.raspberrypi.org/forums/viewtopic.php?f=44&t=31420&p=612513#p612513
which referenced
https://www.hifiberry.com/forums/topic/i2cdetect/
which reccomended blacklisting snd_soc_wm8804
Googling "what is snd_soc_wm8804" yielded
http://www.raspberrypi.org/forums/viewtopic.php?f=44&t=81750
which explained the whole matter
Anyhow the UU is gone. Only 77 is detected now. The mystery continues which I accept as an interesting challenge.
Victor

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[ERROR] [DAAPI] iso=-1:[I2C] cannot open /dev/i2c-1 bus file

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