is a ':' missing when setting class path at createVM?

[zjzzjz1979]

https://github.com/pinterest/rocksplicator/blob/master/rocksdb_admin/helix_client.cpp#L46

Should it be ?
auto class_opt = "-Djava.class.path=" + class_path + "cluster_management-0.0.1-SNAPSHOT-jar-with-dependencies.jar:" + env_class_path;