Github user srdo commented on the issue:

    https://github.com/apache/storm/pull/2637
  
    I read the documentation for maxOffsetBehind you linked, and I think it is 
confusingly phrased. It says 
    
    > If a failing tuple's offset is less than maxOffsetBehind, the spout stops 
retrying the tuple
    
    and what they mean is 
    
    > If a failing tuple's offset is farther behind the current offset than 
maxOffsetBehind (i.e. if `currentOffset - failingOffset > maxOffsetBehind`, the 
spout stops retrying the tuple
    
    I misread the description as meaning
    
    > If a failing tuple's offset is less than maxOffsetBehind behind the 
current offset (i.e. if `currentOffset - failingOffset < maxOffsetBehind`), the 
spout stops retrying the tuple
    
    The links are pointing into the javadocs directory, which is not checked 
into git. The javadocs directory is supposed to be created when someone 
publishes release documentation to the site. See the documentation at 
https://github.com/apache/storm-site#adding-a-new-release-to-the-website for 
how to generate the javadoc.
    
    I'd expect the links to work if you check out the repo and generate the 
javadoc.


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