Duplicate extensions not allowed (OpenSSL::SSL::SSLError)

Does anyone know how to resolve this issue?

I’m getting it with the excon gem and ruby 1.7.4

#<Excon::Errors::SocketError: problem creating X509 Aux certificate:
java.io.IOException: problem parsing cert:
java.security.cert.CertificateParsingException: java.io.IOException:
Duplicate extensions not allowed (OpenSSL::SSL::SSLError)>
problem creating X509 Aux certificate: java.io.IOException: problem
parsing
cert: java.security.cert.CertificateParsingException:
java.io.IOException:
Duplicate extensions not allowed (OpenSSL::SSL::SSLError)
Excon::Errors::SocketError: problem creating X509 Aux certificate:
java.io.IOException: problem parsing cert:
java.security.cert.CertificateParsingException: java.io.IOException:
Duplicate extensions not allowed (OpenSSL::SSL::SSLError)
from org/jruby/ext/openssl/SSLContext.java:229:in setup' from org/jruby/ext/openssl/SSLSocket.java:145:ininitialize’
from
/Users/mike/.rvm/gems/jruby-1.7.2/gems/excon-0.25.3/lib/excon/ssl_socket.rb:64:in
initialize' from /Users/mike/.rvm/gems/jruby-1.7.2/gems/excon-0.25.3/lib/excon/connection.rb:361:insocket’
from
/Users/mike/.rvm/gems/jruby-1.7.2/gems/excon-0.25.3/lib/excon/connection.rb:105:in
request_call' from /Users/mike/.rvm/gems/jruby-1.7.2/gems/excon-0.25.3/lib/excon/middlewares/mock.rb:42:inrequest_call’
from
/Users/mike/.rvm/gems/jruby-1.7.2/gems/excon-0.25.3/lib/excon/middlewares/instrumentor.rb:22:in
request_call' from /Users/mike/.rvm/gems/jruby-1.7.2/gems/excon-0.25.3/lib/excon/middlewares/base.rb:15:inrequest_call’