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Bug
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Resolution: Unresolved
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Major
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None
Compared to Emma coverage reports JaCoCo reports are much less readable and it is difficult to get a quick overview over the packages coverage data.
Please see the attachment.
[JENKINS-23588] JaCoCo Plugin creates unreadable coverage report
Akos Kozak
added a comment - Also a small hint would be nice there to know what does M and C meaning!
Akos Kozak
added a comment - Also a small hint would be nice there to know what does M and C meaning! 
Markus Schlegel
added a comment - Guys,
Attached two screenshots from the exactly same build. One that shows Emmas view to the code coverage metrics and another one showing Jacoco's view.
The emma metrics have been built out of the Jacoco coverage result using an xslt stylesheet.
As you can see (I hope you see it) the view given by emma is much more readable than jacoco's view. I would even say that Jacoco's views is completely unusable.
Markus Schlegel
added a comment - Guys,
Attached two screenshots from the exactly same build. One that shows Emmas view to the code coverage metrics and another one showing Jacoco's view.
The emma metrics have been built out of the Jacoco coverage result using an xslt stylesheet.
As you can see (I hope you see it) the view given by emma is much more readable than jacoco's view. I would even say that Jacoco's views is completely unusable. 
Larry West
added a comment - I agree with kozaka: the 'M' and 'C' labels are not explained anywhere.
Larry West
added a comment - I agree with kozaka : the 'M' and 'C' labels are not explained anywhere. 
I think the coloured column has somehow a dynamic size. We got the same problem! I just think, maybe to use Emma till this is not fixed, would be maybe a better choice. Please fix this ASAP!
Thank you!