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java.net.UnknownHostException: D at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:177) at java.net.Socket.connect(Socket.java:520) at java.net.Socket.connect(Socket.java:470) at sun.net.NetworkClient.doConnect(NetworkClient.java:157) at sun.net.NetworkClient.openServer(NetworkClient.java:118) at sun.net.ftp.FtpClient.openServer(FtpClient.java:488) at sun.net.ftp.FtpClient.openServer(FtpClient.java:475) at sun.net.www.protocol.ftp.FtpURLConnection.connect(FtpURLConnection.java:270) at sun.net.www.protocol.ftp.FtpURLConnection.getInputStream(FtpURLConnection.java:352) at net.sf.json.groovy.JsonSlurper.parse(JsonSlurper.java:55) at net.sf.json.groovy.JsonSlurper.parse(JsonSlurper.java:63) at org.codehaus.groovy.reflection.CachedMethod.invoke(CachedMethod.java:86) at groovy.lang.MetaMethod.doMethodInvoke(MetaMethod.java:230) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:912) at groovy.lang.ExpandoMetaClass.invokeMethod(ExpandoMetaClass.java:946) at groovy.lang.MetaClassImpl.invokeMethod(MetaClassImpl.java:756) at org.codehaus.groovy.runtime.InvokerHelper.invokePogoMethod(InvokerHelper.java:778) at org.codehaus.groovy.runtime.InvokerHelper.invokeMethod(InvokerHelper.java:758) at org.codehaus.groovy.runtime.ScriptBytecodeAdapter.invokeMethodN(ScriptBytecodeAdapter.java:170) at net.sf.json.groovy.TestJsonSlurper.testParseUri(TestJsonSlurper.groovy:58)