Scala Programming for Big Data Analytics : Get Started With Big Data Analytics Using Apache Spark

© Irfan Elahi 2019

I. ElahiScala Programming for Big Data Analyticshttps://doi.org/10.1007/978-1-4842-4810-2_12

12. Exception Handling

Irfan Elahi¹  

(1)

Notting Hill, VIC, Australia

 

It’s a cliché that life is unpredictable. At any point in life, the unexpected can happen and in order to survive the surprises of life, it’s important to be well prepared.

The same philosophy, to some extent, holds true with computer programs. At runtime or compile time, unexpected issues can happen. They can be due to a number of reasons, including:

• Your program was expecting a specific input, whereas the input provided was a different format.

• The program depended on an external system, such as a database to be available, and that system was down or unstable at the time ...