tweetmap | Visualise your tweets on a heatmap | Data Visualization library
kandi X-RAY | tweetmap Summary
kandi X-RAY | tweetmap Summary
🔥 Visualise your tweets on a heatmap
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of tweetmap
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QUESTION
I have a rest controller which calls a service, which in turn calls an actor to get a query from a simulated database. The message makes its way to the actor, but the app crashes before the actor can respond, and there is a null pointer exception coming from the actor. I'm using akka http for the controller and routing directives to compose the response. These are my dependencies:
...ANSWER
Answered 2019-May-13 at 17:56A stacktrace would have been helpful, but I suspect that this line here in your receive
causes the NPE:
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