java - GVM Always Offline -

i'm trying install gradle via gvm command '$ gvm gradle', message offline mode. (any installation fail following message)

 ➜  ~ ➜  ~ ➜  ~  gvm gradle gvm can't reach internet going offline. re-enable online with:    $ gvm offline disable  ==== broadcast =============================================  offline mode enabled! functionality disabled.  ============================================================ command not available in offline mode. ➜  ~ ➜  ~ ➜  ~  gvm offline disable online mode re-enabled! ➜  ~ ➜  ~ ➜  ~  gvm gradle        gvm can't reach internet going offline. re-enable online with:    $ gvm offline disable  ==== broadcast =============================================  offline mode enabled! functionality disabled.  ============================================================ command not available in offline mode.  

additional info: proxy has been configured.

  ➜  ~ ➜  ~ ➜  ~  ping gvmtool.net ping gvmtool.net (192.30.252.154) 56(84) bytes of data. 64 bytes pages.github.com (192.30.252.154): icmp_seq=1 ttl=50 time=150 ms 64 bytes pages.github.com (192.30.252.154): icmp_seq=2 ttl=50 time=151 ms 64 bytes pages.github.com (192.30.252.154): icmp_seq=3 ttl=50 time=159 ms 64 bytes pages.github.com (192.30.252.154): icmp_seq=4 ttl=50 time=155 ms 64 bytes pages.github.com (192.30.252.154): icmp_seq=5 ttl=50 time=151 ms ^c --- gvmtool.net ping statistics --- 5 packets transmitted, 5 received, 0% packet loss, time 4005ms rtt min/avg/max/mdev = 150.383/153.800/159.585/3.507 ms   

in case come here half year later: gvm gone, it's "sdkman!".

i needed install al tools , remove ~/.gvm/