SSL Certificate importing to SOAP UI 3.0:Getting Java Handshake Exception

HI,
Iam working with SOAP UI for Performance Testing.I have a SSL certificate with me provided by my client.I have imported the SSL certificate to SSL Setings.Bot whne iam running my test iam getting an error message:

Javax.net.ssl.sslhandshakeexception:Recieved fatal alert:bad_certificate.
Anyone Please help me on this issue....Thanks in adv