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java.net.ConnectException: Connection refused	at java.net.PlainSocketImpl.socketConnect(Native Method)	at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:327)	at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:193)	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:180)	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:384)	at java.net.Socket.connect(Socket.java:546)	at java.net.Socket.connect(Socket.java:495)	at sun.net.NetworkClient.doConnect(NetworkClient.java:178)	at sun.net.www.http.HttpClient.openServer(HttpClient.java:409)	at sun.net.www.http.HttpClient.openServer(HttpClient.java:530)	at sun.net.www.http.HttpClient.(HttpClient.java:240)	at sun.net.www.http.HttpClient.New(HttpClient.java:321)	at sun.net.www.http.HttpClient.New(HttpClient.java:338)	at sun.net.www.protocol.http.HttpURLConnection.getNewHttpClient(HttpURLConnection.java:935)	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:876)	at sun.net.www.protocol.http.HttpURLConnection.connect(HttpURLConnection.java:801)	at org.apache.tools.ant.taskdefs.Get.doGet(Get.java:145)	at org.apache.tools.ant.taskdefs.Get.execute(Get.java:78)	at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:288)	at sun.reflect.GeneratedMethodAccessor1.invoke(Unknown Source)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:616)	at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)	at org.apache.tools.ant.Task.perform(Task.java:348)	at org.apache.tools.ant.Target.execute(Target.java:357)	at org.apache.tools.ant.Target.performTasks(Target.java:385)	at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1337)	at org.apache.tools.ant.Project.executeTarget(Project.java:1306)	at org.apache.tools.ant.helper.DefaultExecutor.executeTargets(DefaultExecutor.java:41)	at org.apache.tools.ant.Project.executeTargets(Project.java:1189)	at org.apache.tools.ant.Main.runBuild(Main.java:758)	at org.apache.tools.ant.Main.startAnt(Main.java:217)	at org.apache.tools.ant.launch.Launcher.run(Launcher.java:257)	at org.apache.tools.ant.launch.Launcher.main(Launcher.java:104)