Simulator stuck at "Waiting for GPS"

I'm trying to Weather sample using Eclipse on OSX Yosemite, however when I run the config the simulator appears with square watch but just sits at the "Waiting for GPS" screen, and none of the buttons respond.
Suggestions? Do any of log/errors point to anything being the problem?

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BUILD: /Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/bin/java -Dfile.encoding=UTF-8 -classpath /Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/lib/tools.jar:/Users/Nick/Software/connectiq-sdk-mac-0.2.4/bin/monkeybrains.jar: com.garmin.monkeybrains.Monkeybrains -a /Users/Nick/Software/connectiq-sdk-mac-0.2.4/bin/api.db -i /Users/Nick/Software/connectiq-sdk-mac-0.2.4/bin/api.debug.xml -o /Users/Nick/Software/connectiq-sdk-mac-0.2.4/samples/Weather/bin/Weather.prg -w -m /Users/Nick/Software/connectiq-sdk-mac-0.2.4/samples/Weather/manifest.xml -u /Users/Nick/Software/connectiq-sdk-mac-0.2.4/bin/devices.xml 

BUILD: java.lang.NullPointerException

BUILD: 	at com.garmin.monkeybrains.compiler.Compiler.assemble(Compiler.java:573)

BUILD: 	at com.garmin.monkeybrains.Monkeybrains.main(Monkeybrains.java:296)

BUILD: ERROR: Unknown:0:  null

BUILD: Complete

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BUILD: /Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/bin/java -Dfile.encoding=UTF-8 -classpath /Library/Java/JavaVirtualMachines/jdk1.8.0_25.jdk/Contents/Home/lib/tools.jar:/Users/Nick/Software/connectiq-sdk-mac-0.2.4/bin/monkeybrains.jar: com.garmin.monkeybrains.Monkeybrains -a /Users/Nick/Software/connectiq-sdk-mac-0.2.4/bin/api.db -i /Users/Nick/Software/connectiq-sdk-mac-0.2.4/bin/api.debug.xml -o /Users/Nick/Software/connectiq-sdk-mac-0.2.4/samples/Weather/bin/Weather.prg -w -z /Users/Nick/Software/connectiq-sdk-mac-0.2.4/samples/Weather/resources/strings.xml:/Users/Nick/Software/connectiq-sdk-mac-0.2.4/samples/Weather/resources/resources.xml:/Users/Nick/Software/connectiq-sdk-mac-0.2.4/samples/Weather/resources/bitmaps.xml -m /Users/Nick/Software/connectiq-sdk-mac-0.2.4/samples/Weather/manifest.xml -u /Users/Nick/Software/connectiq-sdk-mac-0.2.4/bin/devices.xml /Users/Nick/Software/connectiq-sdk-mac-0.2.4/samples/Weather/source/WeatherView.mc /Users/Nick/Software/connectiq-sdk-mac-0.2.4/samples/Weather/source/Weather.mc 

BUILD: WARNING: The launcher icon 'LauncherIcon' (16x16) is smaller than the specified launcher icon size of the device 'square_watch_sim' (61x43). Padding will be added to the image to center it.

BUILD: Complete

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Console:

Found Transport: tcp

Connecting...

Connecting to device...

Device Version 0.32.-Device id 0 name "A garmin device"

Shell Version -19671Copying file.... 4% complete

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File pushed successfully

Connection Finished

Closing shell and port 

Found Transport: tcp

Connecting...

Connecting to device...

Device Version 0.32.-Device id 0 name "A garmin device"

Shell Version -17311

Former Member over 10 years ago

The Weather sample registers for a ONE_SHOT positioning update to get the location for its JSON request. Choose "Simulate Data" or "Playback File..." from the Simulation->FIT Data menu to begin simulating positioning. Once the sample gets the positioning update, it will make the JSON request and display the result.