open FileResource .mov on ipad

Hi, i try to open a .mov file on Ipad with getWindow().open(FileResource).
On pc it work but when I try to download on ipad, there is an exception:


java.net.SocketException: Software caused connection abort: socket write error
	at java.net.SocketOutputStream.socketWrite0(Native Method)
	at java.net.SocketOutputStream.socketWrite(Unknown Source)
	at java.net.SocketOutputStream.write(Unknown Source)
	at org.apache.coyote.http11.InternalOutputBuffer.realWriteBytes(InternalOutputBuffer.java:760)
	at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:432)
	at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:347)
	at org.apache.coyote.http11.InternalOutputBuffer$OutputStreamOutputBuffer.doWrite(InternalOutputBuffer.java:784)
	at org.apache.coyote.http11.filters.IdentityOutputFilter.doWrite(IdentityOutputFilter.java:118)
	at org.apache.coyote.http11.InternalOutputBuffer.doWrite(InternalOutputBuffer.java:593)
	at org.apache.coyote.Response.doWrite(Response.java:560)
	at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:353)
	at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:352)
	at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:381)
	at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:370)
	at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:89)
	at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.handleDownload(AbstractApplicationServlet.java:961)
	at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.handleURI(AbstractApplicationServlet.java:1105)
	at com.vaadin.terminal.gwt.server.AbstractApplicationServlet.service(AbstractApplicationServlet.java:535)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:803)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:298)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:588)
	at org.apache.tomcat.util.net.JIoEndpoint$Worker.run(JIoEndpoint.java:489)
	at java.lang.Thread.run(Unknown Source)

If I put this .mov file on a link internet with ftp and a try to open it with ExternalResource(“http://…/file.MOV”) it work…but i must open only internal File with FileResource
how should I do?
Thank’s !