when we are trying to start the hadoop services on biginsight, it 's newly setup environment, we are getting error.

command - start-all.sh error :- sleep:missing operand

% Total % Received % Xferd Average Speed Time Time Time Current Dload Upload Total Spent Left Speed 126 379 126 379 0 0 782 0 --:--:-- --:--:-- --:--:-- 853 Last Heart Beat-1441837191191,current time stamp - 1441837194779 HeartBeat in Seconds 1441837191, curent time in sec 1441837194 and the difference is 3 0 heartbeat received, waiting for 30 seconds for components of server to be ready... HTTP/1.1 202 Accepted Set-Cookie: AMBARISESSIONID=px7v7iulx8dgzs0h3xhhb22b;Path=/ Expires: Thu, 01 Jan 1970 00:00:00 GMT Content-Type: text/plain Content-Length: 147 Server: Jetty(7.6.7.v20120910)

{ "href" : "http://rvm.svl.ibm.com:8080/api/v1/clusters/BI4_QSE/requests/205", "Requests" : { "id" : 205, "status" : "InProgress" } }sleep: missing operand Try `sleep --help' for more information.

we have downloaded the lab version of biginsight from ibm big university site.