为什么使用安卓手机调用jfinal的filerender，附件下载异常

Question

com.jfinal.render.RenderException: org.eclipse.jetty.io.EofException
at com.jfinal.render.FileRender.normalRender(FileRender.java:99)
at com.jfinal.render.FileRender.render(FileRender.java:72)
at com.jfinal.core.ActionHandler.handle(ActionHandler.java:92)
at com.jfinal.core.JFinalFilter.doFilter(JFinalFilter.java:72)
at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1307)
at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:453)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137)
at org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:560)
at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:231)
at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1072)
at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:382)
at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:193)
at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1006)
at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135)
at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116)
at org.eclipse.jetty.server.Server.handle(Server.java:365)
at org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:485)
at org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:926)
at org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:988)
at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:635)
at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235)
at org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:628)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:52)
at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608)
at org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543)
at java.lang.Thread.run(Thread.java:722)
Caused by: org.eclipse.jetty.io.EofException
at org.eclipse.jetty.http.HttpGenerator.flushBuffer(HttpGenerator.java:914)
at org.eclipse.jetty.http.AbstractGenerator.blockForOutput(AbstractGenerator.java:523)
at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:147)
at org.eclipse.jetty.server.HttpOutput.write(HttpOutput.java:107)
at com.jfinal.render.FileRender.normalRender(FileRender.java:94)
... 26 more
Caused by: java.io.IOException: 你的主机中的软件中止了一个已建立的连接。
at sun.nio.ch.SocketDispatcher.write0(Native Method)
at sun.nio.ch.SocketDispatcher.write(SocketDispatcher.java:51)
at sun.nio.ch.IOUtil.writeFromNativeBuffer(IOUtil.java:89)
at sun.nio.ch.IOUtil.write(IOUtil.java:46)
at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:450)
at org.eclipse.jetty.io.nio.ChannelEndPoint.flush(ChannelEndPoint.java:293)
at org.eclipse.jetty.io.nio.SelectChannelEndPoint.flush(SelectChannelEndPoint.java:362)
at org.eclipse.jetty.http.HttpGenerator.flushBuffer(HttpGenerator.java:850)
... 30 more

Answer 1

问题已解决。谢谢。android程序需要实现webview的中的下载监听。

Answer 2

     错误提示信息已经很明显了：“你的主机中的软件中止了一个已建立的连接”。me.setDevMode(false) 生产环境下不会报这个异常，因为客户端中止下载过程很常见的事情。