LineNumber

Remi Forax forax at univ-mlv.fr
Tue Jun 11 14:20:57 PDT 2013


Hi Maurizio, hi guys,
Jamie Allen (from typesafe) has found an example of code where the line 
number are not correctly generated.

import java.util.List;
import java.util.Arrays;
import java.util.stream.Collectors;

public class LambdaDemo {
   public static void main(String... args) {
     final List<Integer> numbers = Arrays.asList(1, 2, 3);
     final List<Integer> numbersPlusOne =
         numbers.stream().map(number -> number / 
0).collect(Collectors.toList());
   }
}

Exception in thread "main" java.lang.ArithmeticException: / by zero
     at LambdaDemo.lambda$0(LambdaDemo.java:1) <-- oops
     at LambdaDemo$$Lambda$1.apply(Unknown Source)
     at 
java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:188)
     at 
java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
     at 
java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:467)
     at 
java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:457)
     at 
java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:710)
     at 
java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:231)
     at 
java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:474)
     at LambdaDemo.main(LambdaDemo.java:10)

cheers,
Rémi



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