[
https://issues.apache.org/jira/browse/NET-226?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12612164#action_12612164
]
Frederic Müller commented on NET-226:
-------------------------------------
Stack trace
java.lang.Exception: List size: 1
at TestClass.preParse(TestClass.java:9)
at
org.apache.commons.net.ftp.FTPListParseEngine.readServerList(FTPListParseEngine.java:100)
at
org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2400)
at
org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2368)
at org.apache.commons.net.ftp.FTPClient.listFiles(FTPClient.java:2145)
at
org.apache.commons.vfs.provider.ftp.FTPClientWrapper.listFiles(FTPClientWrapper.java:112)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.doGetChildren(FtpFileObject.java:123)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getChildFile(FtpFileObject.java:103)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getInfo(FtpFileObject.java:181)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.refresh(FtpFileObject.java:208)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:319)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:267)
at
org.apache.commons.vfs.provider.AbstractFileObject.getParent(AbstractFileObject.java:512)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getInfo(FtpFileObject.java:177)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.refresh(FtpFileObject.java:208)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:319)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:267)
at
org.apache.commons.vfs.provider.AbstractOriginatingFileProvider.findFile(AbstractOriginatingFileProvider.java:88)
at
org.apache.commons.vfs.provider.AbstractOriginatingFileProvider.findFile(AbstractOriginatingFileProvider.java:62)
at
org.apache.commons.vfs.impl.DefaultFileSystemManager.resolveFile(DefaultFileSystemManager.java:641)
at
org.apache.commons.vfs.impl.DefaultFileSystemManager.resolveFile(DefaultFileSystemManager.java:582)
at FTPTest.main(FTPTest.java:15)
java.lang.Exception: List size: 135
at TestClass.preParse(TestClass.java:9)
at
org.apache.commons.net.ftp.FTPListParseEngine.readServerList(FTPListParseEngine.java:100)
at
org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2400)
at
org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2368)
at org.apache.commons.net.ftp.FTPClient.listFiles(FTPClient.java:2145)
at
org.apache.commons.vfs.provider.ftp.FTPClientWrapper.listFiles(FTPClientWrapper.java:112)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.doGetChildren(FtpFileObject.java:123)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getChildFile(FtpFileObject.java:103)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getInfo(FtpFileObject.java:181)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.refresh(FtpFileObject.java:208)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:319)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:267)
at
org.apache.commons.vfs.provider.AbstractOriginatingFileProvider.findFile(AbstractOriginatingFileProvider.java:88)
at
org.apache.commons.vfs.provider.AbstractOriginatingFileProvider.findFile(AbstractOriginatingFileProvider.java:62)
at
org.apache.commons.vfs.impl.DefaultFileSystemManager.resolveFile(DefaultFileSystemManager.java:641)
at
org.apache.commons.vfs.impl.DefaultFileSystemManager.resolveFile(DefaultFileSystemManager.java:582)
at FTPTest.main(FTPTest.java:15)
java.lang.Exception: List size: 346
at TestClass.preParse(TestClass.java:9)
at
org.apache.commons.net.ftp.FTPListParseEngine.readServerList(FTPListParseEngine.java:100)
at
org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2400)
at
org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2368)
at org.apache.commons.net.ftp.FTPClient.listFiles(FTPClient.java:2145)
at
org.apache.commons.vfs.provider.ftp.FTPClientWrapper.listFiles(FTPClientWrapper.java:112)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.doGetChildren(FtpFileObject.java:123)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.doListChildren(FtpFileObject.java:333)
at
org.apache.commons.vfs.provider.AbstractFileObject.getChildren(AbstractFileObject.java:557)
at FTPTest.main(FTPTest.java:17)
java.lang.Exception: List size: 1
at TestClass.preParse(TestClass.java:9)
at
org.apache.commons.net.ftp.FTPListParseEngine.readServerList(FTPListParseEngine.java:100)
at
org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2400)
at
org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2368)
at org.apache.commons.net.ftp.FTPClient.listFiles(FTPClient.java:2145)
at
org.apache.commons.vfs.provider.ftp.FTPClientWrapper.listFiles(FTPClientWrapper.java:112)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.doGetChildren(FtpFileObject.java:123)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getChildFile(FtpFileObject.java:103)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getInfo(FtpFileObject.java:181)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.refresh(FtpFileObject.java:208)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:319)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:267)
at
org.apache.commons.vfs.provider.AbstractFileObject.getParent(AbstractFileObject.java:512)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getInfo(FtpFileObject.java:177)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.refresh(FtpFileObject.java:208)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:319)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:267)
at
org.apache.commons.vfs.provider.AbstractFileObject.getParent(AbstractFileObject.java:512)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getInfo(FtpFileObject.java:177)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.refresh(FtpFileObject.java:208)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:319)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:267)
at
org.apache.commons.vfs.provider.AbstractFileObject.resolveFile(AbstractFileObject.java:625)
at
org.apache.commons.vfs.provider.AbstractFileObject.resolveFiles(AbstractFileObject.java:617)
at
org.apache.commons.vfs.provider.AbstractFileObject.getChildren(AbstractFileObject.java:587)
at FTPTest.main(FTPTest.java:17)
java.lang.Exception: List size: 135
at TestClass.preParse(TestClass.java:9)
at
org.apache.commons.net.ftp.FTPListParseEngine.readServerList(FTPListParseEngine.java:100)
at
org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2400)
at
org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2368)
at org.apache.commons.net.ftp.FTPClient.listFiles(FTPClient.java:2145)
at
org.apache.commons.vfs.provider.ftp.FTPClientWrapper.listFiles(FTPClientWrapper.java:112)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.doGetChildren(FtpFileObject.java:123)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getChildFile(FtpFileObject.java:103)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getInfo(FtpFileObject.java:181)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.refresh(FtpFileObject.java:208)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:319)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:267)
at
org.apache.commons.vfs.provider.AbstractFileObject.getParent(AbstractFileObject.java:512)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getInfo(FtpFileObject.java:177)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.refresh(FtpFileObject.java:208)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:319)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:267)
at
org.apache.commons.vfs.provider.AbstractFileObject.resolveFile(AbstractFileObject.java:625)
at
org.apache.commons.vfs.provider.AbstractFileObject.resolveFiles(AbstractFileObject.java:617)
at
org.apache.commons.vfs.provider.AbstractFileObject.getChildren(AbstractFileObject.java:587)
at FTPTest.main(FTPTest.java:17)
java.lang.Exception: List size: 346
at TestClass.preParse(TestClass.java:9)
at
org.apache.commons.net.ftp.FTPListParseEngine.readServerList(FTPListParseEngine.java:100)
at
org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2400)
at
org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2368)
at org.apache.commons.net.ftp.FTPClient.listFiles(FTPClient.java:2145)
at
org.apache.commons.vfs.provider.ftp.FTPClientWrapper.listFiles(FTPClientWrapper.java:112)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.doGetChildren(FtpFileObject.java:123)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getChildFile(FtpFileObject.java:103)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getInfo(FtpFileObject.java:181)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.refresh(FtpFileObject.java:208)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:319)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:267)
at
org.apache.commons.vfs.provider.AbstractFileObject.resolveFile(AbstractFileObject.java:625)
at
org.apache.commons.vfs.provider.AbstractFileObject.resolveFiles(AbstractFileObject.java:617)
at
org.apache.commons.vfs.provider.AbstractFileObject.getChildren(AbstractFileObject.java:587)
at FTPTest.main(FTPTest.java:17)
java.lang.Exception: List size: 135
at TestClass.preParse(TestClass.java:9)
at
org.apache.commons.net.ftp.FTPListParseEngine.readServerList(FTPListParseEngine.java:100)
at
org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2400)
at
org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2368)
at org.apache.commons.net.ftp.FTPClient.listFiles(FTPClient.java:2145)
at
org.apache.commons.vfs.provider.ftp.FTPClientWrapper.listFiles(FTPClientWrapper.java:112)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.doGetChildren(FtpFileObject.java:123)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getChildFile(FtpFileObject.java:103)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getInfo(FtpFileObject.java:181)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.refresh(FtpFileObject.java:208)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:319)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:267)
at
org.apache.commons.vfs.provider.AbstractFileObject.getParent(AbstractFileObject.java:512)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.getInfo(FtpFileObject.java:177)
at
org.apache.commons.vfs.provider.ftp.FtpFileObject.refresh(FtpFileObject.java:208)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:319)
at
org.apache.commons.vfs.provider.AbstractFileSystem.resolveFile(AbstractFileSystem.java:267)
at
org.apache.commons.vfs.provider.AbstractFileObject.resolveFile(AbstractFileObject.java:625)
at
org.apache.commons.vfs.provider.AbstractFileObject.resolveFiles(AbstractFileObject.java:617)
at
org.apache.commons.vfs.provider.AbstractFileObject.getChildren(AbstractFileObject.java:587)
at FTPTest.main(FTPTest.java:17)
.................
I think you're getting the point.
> Endless loop listing files on Windows NT FTP-Server
> ---------------------------------------------------
>
> Key: NET-226
> URL: https://issues.apache.org/jira/browse/NET-226
> Project: Commons Net
> Issue Type: Bug
> Affects Versions: 1.4
> Environment: VFS client on linux machine connecting to a Windows-NT
> ftp server using unix file listing
> Reporter: Frederic Müller
> Priority: Blocker
>
> The framework repeatedly queries the contents of a remote ftp folder as well
> it's parent folder. It will do so indefinitely. Other ftp software can access
> the server without problems. I implemented a new class extending the
> UnixFTPEntryParser to intercept the requests and to print the following stack
> traces.
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