Texture on public server

When my minecraft try to download texture on public I have this error:
[Texture Downloader #44/ERROR]: Couldn't download http texture
java.net.ConnectException: Connection timed out: connect
at java.net.DualStackPlainSocketImpl.connect0(Native Method) ~[?:1.8.0_91]
at java.net.DualStackPlainSocketImpl.socketConnect(Unknown Source) ~[?:1.8.0_91]
at java.net.AbstractPlainSocketImpl.doConnect(Unknown Source) ~[?:1.8.0_91]
at java.net.AbstractPlainSocketImpl.connectToAddress(Unknown Source) ~[?:1.8.0_91]
at java.net.AbstractPlainSocketImpl.connect(Unknown Source) ~[?:1.8.0_91]
at java.net.PlainSocketImpl.connect(Unknown Source) ~[?:1.8.0_91]
at java.net.SocksSocketImpl.connect(Unknown Source) ~[?:1.8.0_91]
at java.net.Socket.connect(Unknown Source) ~[?:1.8.0_91]
at java.net.Socket.connect(Unknown Source) ~[?:1.8.0_91]
at sun.net.NetworkClient.doConnect(Unknown Source) ~[?:1.8.0_91]
at sun.net.www.http.HttpClient.openServer(Unknown Source) ~[?:1.8.0_91]
at sun.net.www.http.HttpClient.openServer(Unknown Source) ~[?:1.8.0_91]
at sun.net.www.http.HttpClient.<init>(Unknown Source) ~[?:1.8.0_91]
at sun.net.www.http.HttpClient.New(Unknown Source) ~[?:1.8.0_91]
at sun.net.www.http.HttpClient.New(Unknown Source) ~[?:1.8.0_91]
at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(Unknown Source) ~[?:1.8.0_91]
at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(Unknown Source) ~[?:1.8.0_91]
at sun.net.www.protocol.http.HttpURLConnection.plainConnect(Unknown Source) ~[?:1.8.0_91]
at sun.net.www.protocol.http.HttpURLConnection.connect(Unknown Source) ~[?:1.8.0_91]
at bvv$1.run(SourceFile:106) [1.10.jar:?]