Even though you are wanting to "jumper" two traces together, the
individual traces still maintain their own unique netname. A jumper does
not combine two seperate traces into the same netname but sees the
jumper as yet another compant much like a 0 ohm resistor.  Therefore,
one side of the jumper needs to connect to one netname and the other
side of the jumper connects to another netname.  The airwire indicates
to me that the bottom layer trace on the left and the trace on the right
are the same netname which is why they both show connected to the one
side of the jumper.  If you were to use the "move" command and drag the
jumper away, would the right side trace follow??

Mohit Mahajan wrote:

>Hello,
>
>The attached file shows an unrouted airwire in red and a jumper (J2) in
>an Eagle board.
>
>After autorouting this board this airwire was left unrouted. I added a
>jumper J2 in the schematic where this airwire was, to complete the
>route. The board shows the jumper and the signal is routed, yet the
>airwire is still there. I've tried "Ratsnest" command, renaming the net
>and signal command, but it remains.
>
>Doesn't Eagle recognise a jumper as the same electrical connection? Or
>should one use some other component as jumper bridges?
>
>What should I do to remove these airwires (I have 3 such unrouted
>airwire connections that also have a jumper)?
>
>Thanks,
>Mohit.
>
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