Connect to www.sys tap.com:80 [www.systap.com/54.221.252.17] failed: Connection timed out: connect

[justintjacob]

unable to build ,getting error

[ERROR] Failed to execute goal on project sciKnowMine: Could not resolve depende
ncies for project edu.isi.bmkeg:sciKnowMine:war:1.1.5-SNAPSHOT: Failed to collec
t dependencies at edu.isi.bmkeg:vpdmf-triage:zip:mysql:1.1.5-SNAPSHOT: Failed to
read artifact descriptor for edu.isi.bmkeg:vpdmf-triage:zip:mysql:1.1.5-SNAPSHO
T: Could not transfer artifact edu.isi.bmkeg:vpdmf-triage:pom:1.1.5-SNAPSHOT fro
m/to bigdata.releases (http://www.systap.com/maven/releases): Connect to www.sys
tap.com:80 [www.systap.com/54.221.252.17] failed: Connection timed out: connect
-> [Help 1]

i have tried from diffrennt machine ,diffrent locations .i dont have any firewall restrictions ..Please help