Exception in Blazegraph

gistfile1.txt

          ERROR: uri=[file://J:/Wikidata/latest-all.ttl], context-uri=[]
java.util.concurrent.ExecutionException: java.net.UnknownHostException: J
	at java.util.concurrent.FutureTask.report(Unknown Source)
	at java.util.concurrent.FutureTask.get(Unknown Source)
	at com.bigdata.rdf.sail.webapp.BigdataServlet.submitApiTask(BigdataServlet.java:281)
	at com.bigdata.rdf.sail.webapp.InsertServlet.doPostWithURIs(InsertServlet.java:400)
	at com.bigdata.rdf.sail.webapp.InsertServlet.doPost(InsertServlet.java:119)
	at com.bigdata.rdf.sail.webapp.RESTServlet.doPost(RESTServlet.java:303)
	at com.bigdata.rdf.sail.webapp.MultiTenancyServlet.doPost(MultiTenancyServlet.java:192)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)
	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:769)
	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:585)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
	at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:577)
	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:223)
	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1125)
	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:515)
	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1059)
	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
	at org.eclipse.jetty.server.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:215)
	at org.eclipse.jetty.server.handler.HandlerCollection.handle(HandlerCollection.java:110)
	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:97)
	at org.eclipse.jetty.server.Server.handle(Server.java:497)
	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:311)
	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:248)
	at org.eclipse.jetty.io.AbstractConnection$2.run(AbstractConnection.java:540)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:610)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:539)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.net.UnknownHostException: J
	at java.net.AbstractPlainSocketImpl.connect(Unknown Source)
	at java.net.PlainSocketImpl.connect(Unknown Source)
	at java.net.Socket.connect(Unknown Source)
	at sun.net.ftp.impl.FtpClient.doConnect(Unknown Source)
	at sun.net.ftp.impl.FtpClient.tryConnect(Unknown Source)
	at sun.net.ftp.impl.FtpClient.connect(Unknown Source)
	at sun.net.ftp.impl.FtpClient.connect(Unknown Source)
	at sun.net.www.protocol.ftp.FtpURLConnection.connect(Unknown Source)
	at sun.net.www.protocol.ftp.FtpURLConnection.getInputStream(Unknown Source)
	at com.bigdata.rdf.sail.webapp.InsertServlet$InsertWithURLsTask.call(InsertServlet.java:561)
	at com.bigdata.rdf.sail.webapp.InsertServlet$InsertWithURLsTask.call(InsertServlet.java:417)
	at com.bigdata.rdf.task.ApiTaskForIndexManager.call(ApiTaskForIndexManager.java:68)
	at java.util.concurrent.FutureTask.run(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	... 1 more