Implement a mobile backend with IBM Cloud Functions powered by Apache OpenWhisk. This tutorial should take about 5 minutes to complete. After this, move on to more complex serverless applications such as those tagged openwhisk-hands-on-demo.
If you're not familiar with the OpenWhisk programming model try the action, trigger, and rule sample first. You'll need a Bluemix account and the latest OpenWhisk command line tool.
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Note: If you see any error messages, refer to the Troubleshooting section below.
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Check for errors first in the OpenWhisk activation log. Tail the log on the command line with wsk activation poll or drill into details visually with the monitoring console on Bluemix.
If the error is not immediately obvious, make sure you have the latest version of the wsk CLI installed. If it's older than a few weeks, download an update.
wsk property get --cliversion