timemapper | Create and share elegant timelines and timemaps | Calendar library
kandi X-RAY | timemapper Summary
kandi X-RAY | timemapper Summary
Create and share elegant timelines and timemaps fast
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QUESTION
I'm trying to output two values from the mapper to the reducer by passing a string value but when I parse the string in the Mapper I get an out of bounds error. However, I made the string in the Mapper so I'm sure it has two values, what I'm doing wrong? How can I pass two values from the mapper to the reducer? (Eventually, I need to pass more variables to the reducer but this makes the problem a bit simpler.)
This is the error:
...ANSWER
Answered 2020-Dec-17 at 11:56It seems it is combiner which causes your code fails. remember combiner is a piece of code that is ran before reducer. now imagine this scenario:
your mapper process this line:
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