Error gradle

Exception in thread "main" java.net.UnknownHostException: services.gradle.org
        at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java
:184)
        at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
        at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
        at java.net.Socket.connect(Socket.java:589)
        at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:649)
        at sun.security.ssl.BaseSSLSocketImpl.connect(BaseSSLSocketImpl.java:173
)
        at sun.net.NetworkClient.doConnect(NetworkClient.java:180)
        at sun.net.www.http.HttpClient.openServer(HttpClient.java:432)
        at sun.net.www.http.HttpClient.openServer(HttpClient.java:527)
        at sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:275)
        at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:371)
        at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewH
ttpClient(AbstractDelegateHttpsURLConnection.java:191)
        at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConn
ection.java:1103)
        at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConne
ction.java:997)
        at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect
(AbstractDelegateHttpsURLConnection.java:177)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLCo
nnection.java:1511)
        at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLCon
nection.java:1439)
        at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Http
sURLConnectionImpl.java:254)
        at org.gradle.wrapper.Download.downloadInternal(Download.java:56)
        at org.gradle.wrapper.Download.download(Download.java:42)
        at org.gradle.wrapper.Install$1.call(Install.java:57)
        at org.gradle.wrapper.Install$1.call(Install.java:44)
        at org.gradle.wrapper.ExclusiveFileAccessManager.access(ExclusiveFileAcc
essManager.java:65)
        at org.gradle.wrapper.Install.createDist(Install.java:44)
        at org.gradle.wrapper.WrapperExecutor.execute(WrapperExecutor.java:126)
        at org.gradle.wrapper.GradleWrapperMain.main(GradleWrapperMain.java:56)