I have an application that continously polls data from a bluetooth serial port connection (btspp://). Sometimes when the connection to the bluetooth device is lost, the application is unable to reconnect again the Connection.open method throws an IOException("security block").

I may fx I loose connection when the device gets out of range from the phone, a K750i. I then try to reconnect by creating 1) closing all open io connections to the old connection, and 2) create a new connection to the device. Normally that procedure is successful, but sometimes it fails and I receive a IOException with the succinct message "security block".

What does the exception "security block" mean, and is there anything I can do to avoid it?

I have looked through the developer bluetooth samples, but I cannot see any relevant difference from the way I use the connection. I also have the latest firmware upgrade: R1AA008.

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