到目前为止,我在书或教程中看到的每个项目示例都将XHTML(Facelets)页面与WEB-INF目录放在同一级别上.我还读过,为了让服务器上的页面无法直接访问,你需要将它们隐藏在WEB-INF目录下,这意味着需要某种视图解析器.我的问题是,我该怎么做？
我正在使用iframe来显示pdf文件,用户可以保存它,打印它等等.但是当用户导航回来或其他地方时,总会抛出这个错误:
ClientAbortException: java.io.IOException
at org.apache.catalina.connector.OutputBuffer.realWriteBytes(OutputBuffer.java:369)
at org.apache.tomcat.util.buf.ByteChunk.flushBuffer(ByteChunk.java:448)
at org.apache.tomcat.util.buf.ByteChunk.append(ByteChunk.java:363)
at org.apache.catalina.connector.OutputBuffer.writeBytes(OutputBuffer.java:392)
at org.apache.catalina.connector.OutputBuffer.write(OutputBuffer.java:381)
at org.apache.catalina.connector.CoyoteOutputStream.write(CoyoteOutputStream.java:89)
at java.nio.channels.Channels$WritableByteChannelImpl.write(Channels.java:296)
at com.sun.faces.application.resource.ResourceHandlerImpl.handleResourceRequest(ResourceHandlerImpl.java:277)
at javax.faces.application.ResourceHandlerWrapper.handleResourceRequest(ResourceHandlerWrapper.java:119)
at org.primefaces.application.PrimeResourceHandler.handleResourceRequest(PrimeResourceHandler.java:91)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:310)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:293)
at org.apache.coyote.http11.Http11AprProcessor.process(Http11AprProcessor.java:877)
at org.apache.coyote.http11.Http11AprProtocol$Http11ConnectionHandler.process(Http11AprProtocol.java:594)
at org.apache.tomcat.util.net.AprEndpoint$Worker.run(AprEndpoint.java:1675)
at java.lang.Thread.run(Thread.java:662)
我能做什么？
我有一个JSF应用程序,用户在其中创建一些文件.问题是,他们必须上传并下载确认消息,上传/下载过程是独家的,当时只有一个用户,因为认证需要技术用户/密码.我的问题是,如何让等待过程对用户透明,这是一种协议,例如: