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Is it a brand new AP?
As far as I know 1500 APs are shipped in a bridge mode by default - this means that you need to add MAC address of the AP to the controller MAC filter list, otherwise the AP won't be able to join.
As Rasika mentioned the native VLAN should be AP management VLAN, not the management VLAN of your WLC unless you use the same VLAN for AP and WLC management.
I can see your AP ends up in a join CAPWAP state on the WLC, however does not move to the next stage what's configuration - there are no configuration requests received and some of the discovery responses didn't reach the AP.
It might be something wr...
Can you gather outputs from the following commands?
debug capwap events enable
debug capwap errors enable
debug pm pki enable
show ap join stats detailed 00:2a:10:a0:44:40
Ok your software code does not support -B domain access point, which you're using AIR-CAP3702I-B-K9. Please see more details on the link below:
http://www.cisco.com/c/en/us/products/collateral/wireless/aironet-3700-series/bulletin-c25-737028.html
If ...