I've encountered a seemingly random exception that only reproduced once.

Background: we are using several connectionlisteners simultaneously, managed in separate threads. Caught it on Acer A100 Iconia Tab tablet, Android OS 3.2, latest Lightstreamer android client.

Here is the stacktrace:

Code:
11-29 10:42:30.870 E/AndroidRuntime( 7765): FATAL EXCEPTION: Stream-sense queue

11-29 10:42:30.870 E/AndroidRuntime( 7765): java.lang.IncompatibleClassChangeError: interface not implemented

11-29 10:42:30.870 E/AndroidRuntime( 7765): 	at com.lightstreamer.ls_client.ExtConnectionListener.onNewBytes(ExtConnectionListener.java:129)

11-29 10:42:30.870 E/AndroidRuntime( 7765): 	at com.lightstreamer.ls_client.ExtConnectionListener$5.run(ExtConnectionListener.java:131)

11-29 10:42:30.870 E/AndroidRuntime( 7765): 	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1081)

11-29 10:42:30.870 E/AndroidRuntime( 7765): 	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:574)

11-29 10:42:30.870 E/AndroidRuntime( 7765): 	at java.lang.Thread.run(Thread.java:1020)