BlogJava-刘建和的blog-文章分类-Java techhttp://www.blogjava.net/jeanlius/category/4511.html技术与管理zh-cnFri, 02 Mar 2007 06:03:33 GMTFri, 02 Mar 2007 06:03:33 GMT60java程序移植时遇到的URI相关的问题http://www.blogjava.net/jeanlius/articles/19328.htmljeanliusjeanliusFri, 11 Nov 2005 08:24:00 GMThttp://www.blogjava.net/jeanlius/articles/19328.htmlhttp://www.blogjava.net/jeanlius/comments/19328.htmlhttp://www.blogjava.net/jeanlius/articles/19328.html#Feedback0http://www.blogjava.net/jeanlius/comments/commentRss/19328.htmlhttp://www.blogjava.net/jeanlius/services/trackbacks/19328.html
java.lang.IllegalArgumentException: URI has an authority component
 at java.io.File.<init>(File.java:340)
 at com.putian.sso.logic.group.GroupVlan.verdictTime(GroupVlan.java:121)
 at com.putian.sso.logic.group.GroupVlan.getInstance(GroupVlan.java:53)
 at com.putian.sso.client.prelogin.UserGroupAction.execute(UserGroupAction.java:120)
 at org.apache.struts.action.RequestProcessor.processActionPerform(RequestProcessor.java:484)
 at org.apache.struts.action.RequestProcessor.process(RequestProcessor.java:274)
 at org.apache.struts.action.ActionServlet.process(ActionServlet.java:1482)
 at org.apache.struts.action.ActionServlet.doGet(ActionServlet.java:507)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:689)
 at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
 at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
 at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
 at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:213)
 at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
 at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
 at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
 at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
 at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
 at org.apache.jk.server.JkCoyoteHandler.invoke(JkCoyoteHandler.java:307)
 at org.apache.jk.common.HandlerRequest.invoke(HandlerRequest.java:385)
 at org.apache.jk.common.ChannelSocket.invoke(ChannelSocket.java:748)
 at org.apache.jk.common.ChannelSocket.processConnection(ChannelSocket.java:678)
 at org.apache.jk.common.SocketConnection.runIt(ChannelSocket.java:871)
 at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
 at java.lang.Thread.run(Thread.java:595)

       该问题的出现是在读取文件的位置上，代码是通过生成URL再转换为URI，最后用File来读取，通过分析排除掉文件权限等问题，后来发现Java本身URI的在windows系统和linux系统下存在区别。具体正确的代码如下：
        URL url = new URL("file://" + realPath); //for Linux
        URL url = new URL("file:///" + realPath); //for Windows



jeanlius 2005-11-11 16:24 发表评论
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