SOLVED!!!
I had renewed every certificate except iPad one.
Now a little trouble with Simulator, but compiling and running on iPad!!!
Start the builder and make sure that it prints the correct ip address.
MacNolito:macserver28 rsan$ java -jar B4iBuildServer.jar
Build server version: 2.8
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
2016-08-03 16:56:38.165:INFO::main: Logging initialized @403ms
Loading default configuration file.
AppPath=/Users/rsan/macserver28
Forcing ip address to: 192.168.1.15 <----------- works in the same way without forcing
2016-08-03 16:56:38.336:INFO

ejs.Server:main: jetty-9.3.z-SNAPSHOT
2016-08-03 16:56:38.402:INFO

ejsh.ContextHandler:main: Started o.e.j.s.ServletContextHandler@17c68925{/,file:///Users/rsan/macserver28/www,AVAILABLE}
2016-08-03 16:56:38.406:INFO

ejs.AbstractNCSARequestLog:main: Opened /Users/rsan/macserver28/logs/b4j-2016_08_03.request.log
2016-08-03 16:56:38.442:INFO

ejs.ServerConnector:main: Started ServerConnector@732de9e5{HTTP/1.1,[http/1.1]}{0.0.0.0:51041}
2016-08-03 16:56:38.507:INFO

ejus.SslContextFactory:main: x509=X509@73f792cf(rootca,h=[],w=[]) for SslContextFactory@2ed94a8b(file:///Users/rsan/macserver28/key/key.jks,null)
2016-08-03 16:56:38.508:INFO

ejus.SslContextFactory:main: x509=X509@38082d64(jetty,h=[192.168.1.15],w=[]) for SslContextFactory@2ed94a8b(file:///Users/rsan/macserver28/key/key.jks,null)
2016-08-03 16:56:39.127:INFO

ejs.ServerConnector:main: Started ServerConnector@704921a5{SSL,[ssl, http/1.1]}{0.0.0.0:51042}
2016-08-03 16:56:39.128:INFO

ejs.Server:main: Started @1377ms
Build server is ready
https://192.168.1.15:51042 <----------- Correct and /test works
http://192.168.1.15:51041
Build server version: 2.8
===========================
B4i version: 2.80
Parsing code. (0.00s)
Compiling code. (0.05s)
Compiling layouts code. (0.00s)
Compiling debugger engine code. (0.84s)
Building Xcode project (0.02s)
Sending data to remote compiler. Error
Error: security: SecKeychainDelete: The specified keychain could not be found.
Out: Build settings from command line:
ARCHS = armv7
CODE_SIGN_IDENTITY = iPhone
CONFIGURATION_BUILD_DIR = /Users/<user id>/macserver28/UploadedProjects/<user id>/Payload
OTHER_CODE_SIGN_FLAGS = —keychain <user id>
PRODUCT_NAME = B4i Example
PROVISIONING_PROFILE = f22e0b5a-8d69-4315-9b10-56bd4117d54e
=== BUILD TARGET B4iProject OF PROJECT B4iProject WITH CONFIGURATION Release ===
Check dependencies
Code Sign error: No codesigning identities found: No codesigning identities (i.e. certificate and private key pairs) that match the provisioning profile specified in your build settings (“AppID para 32rsm”) were found.
Error: ** BUILD FAILED **
The following build commands failed:
Check dependencies
(1 failure)