Check your certificates, you need a X.509 certificate pair from the AWS website, you can't make it in the management console. It's in account -> Credentials
You have a different solution? A short tip here would help you and many other users who saw this issue last week.
- java.security.cert.CertificateParsingException: signed fields overrun at sun.security.x509.X509CertImpl.parse(X509CertImpl.java:1036) at sun.security.x509.X509CertImpl.<init>(X509CertImpl.java:150)