Hi. it looks like you have run into at least the limitations on HD/IO access, security restrictions and running/viewing native processes - see the whitelist exclusion in the following link.
Understanding Java Cloud Service Whitelist Criteria
ERROR : 1:Type "java.lang.SecurityManager" not allowed. Overriding Java Security Manager
ERROR : 17:Type "java.lang.Process" not allowed. Executing a new Process
ERROR : 8:Type "java.nio.channels.FileLock" not allowed Java non-blocking IO
Also see the unsupported API list