ibmvm_rest 1.07 can be affected by connection failure along the error message:
javax.net.ssl.SSLException: java.lang.RuntimeException: Could not generate DH keypair
The trouble is that java7 can't handle public key longer than 1024bit along Diffie–Hellman key exchange (Cipher begins with DH).
case 00994306
Knowledge Base article:
https://comm.support.ca.com/kb/x/KB000074719