Just a guess... the name cch1wpobiw can't be resolved and/or reached from Java on the controller. Try using a fully-qualified domain name, eg. server.domain.com or the IP-address instead. Also confirm that the target machine can be reached from the C...
Replace the @-sign with %40
For instance user@domain.com becomes user%40domain.com
Ref: https://docs.appdynamics.com/display/PRO44/Using+the+Controller+APIs