Question

java程序可以成功连接Ftp服务器，但无法上传文件，怎么回事，报错如下，（已设置连接超时时间200s）

java.net.SocketTimeoutException: Accept timed out at java.net.DualStackPlainSocketImpl.waitForNewConnection(Native Method) at java.net.DualStackPlainSocketImpl.socketAccept(Unknown Source) at java.net.AbstractPlainSocketImpl.accept(Unknown Source) at java.net.PlainSocketImpl.accept(Unknown Source) at java.net.ServerSocket.implAccept(Unknown Source) at java.net.ServerSocket.accept(Unknown Source) at org.apache.commons.net.ftp.FTPClient._openDataConnection_(FTPClient.java:858) at org.apache.commons.net.ftp.FTPClient._storeFile(FTPClient.java:653) at org.apache.commons.net.ftp.FTPClient.__storeFile(FTPClient.java:639) at org.apache.commons.net.ftp.FTPClient.storeFile(FTPClient.java:2030) at cn.com.cybertech.utils.FTPUtils2.upload(FTPUtils2.java:141) at cn.com.cybertech.utils.FTPUtils2.uploadExcel(FTPUtils2.java:332) at cn.com.cybertech.schedule.CzRecordsSchedule.CzUploadToFtpForSave(CzRecordsSchedule.java:163) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source) at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) at java.lang.reflect.Method.invoke(Unknown Source) at org.springframework.scheduling.support.ScheduledMethodRunnable.run(ScheduledMethodRunnable.java:84) at org.springframework.scheduling.support.DelegatingErrorHandlingRunnable.run(DelegatingErrorHandlingRunnable.java:54) at org.springframework.scheduling.concurrent.ReschedulingRunnable.run(ReschedulingRunnable.java:93) at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) at java.util.concurrent.FutureTask.run(Unknown Source) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(Unknown Source) at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(Unknown Source) at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) at java.lang.Thread.run(Unknown Source)

Answer 1

我感觉有俩问题，1、连接地址和帐号不是一回事，你最好不要用域名做连接地址，可以用IP地址；2、你是在不行通过空间服务商进入线上后台，如果还不行就联系空间商，可能是他们的问题.果是VPS的话好像要开通ftp某些权限才可以，你只是开通了帐号，能连接，并没有给ftp上传下载的权限，这个我在空间商里面看过教程的，在这没百度不让发连接，你可以在百度搜一下试试，希望能帮助你。