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java.lang.NullPointerException: 	at java.net.Socket.(Socket.java:264)	at java.net.Socket.(Socket.java:100)	at sun.net.NetworkClient.doConnect(NetworkClient.java:56)	at sun.net.www.http.HttpClient.openServer(HttpClient.java:322)	at sun.net.www.http.HttpClient.openServer(HttpClient.java:433)	at sun.net.www.http.HttpClient.(HttpClient.java:262)	at sun.net.www.http.HttpClient.(HttpClient.java:272)	at sun.net.www.http.HttpClient.New(HttpClient.java:284)	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:372)	at sun.net.www.protocol.http.HttpURLConnection.getOutputStream(HttpURLConnection.java:419)	at TestBooter.main(TestBooter.java:26)