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From "Ben Ashpole (JIRA)" <j...@apache.org>
Subject [jira] Created: (VFS-77) VFS cannot determine file type of root for FTP, prevents listing of children at root
Date Wed, 09 Aug 2006 03:20:14 GMT
VFS cannot determine file type of root for FTP, prevents listing of children at root
------------------------------------------------------------------------------------

                 Key: VFS-77
                 URL: http://issues.apache.org/jira/browse/VFS-77
             Project: Commons VFS
          Issue Type: Bug
    Affects Versions: Nightly Builds
         Environment: Windows, Eclipse, Java 1.5
commons-vfs-20060808.zip
commons-net-1.4.1.jar, etc. (not sure one of the dependencies is the real problem)
            Reporter: Ben Ashpole


The following example, adapted from http://jakarta.apache.org/commons/vfs/api.html, throws
the below exception for the given, valid FTP site.  Please let me know if this issue can be
replicated!

        FileSystemManager fsManager = VFS.getManager();
        FileObject f = fsManager.resolveFile("ftp://ftp.uspto.gov/");
        FileObject[] children = f.getChildren();  // exception thrown here
        System.out.println("Children of "+f.getName().getURI());
        for(int i = 0; i<children.length; i++)
            {
            System.out.println(children[i].getName().getBaseName());
            }


Exception in thread "main" org.apache.commons.vfs.FileSystemException: Could not determine
the type of file "ftp://ftp.uspto.gov/".
	at org.apache.commons.vfs.provider.AbstractFileObject.attach(AbstractFileObject.java:1281)
	at org.apache.commons.vfs.provider.AbstractFileObject.getType(AbstractFileObject.java:410)
	at org.apache.commons.vfs.provider.AbstractFileObject.getChildren(AbstractFileObject.java:523)
	at com.bashpole.reflectorGadget.reflectionGroup.Ftp.test(Ftp.java:55)
	at com.bashpole.reflectorGadget.reflectionGroup.Ftp.main(Ftp.java:24)
Caused by: org.apache.commons.vfs.FileSystemException: Object didnt extend from AbstractFileObject.
Object "{0}"
	at org.apache.commons.vfs.util.FileObjectUtils.getAbstractFileObject(FileObjectUtils.java:50)
	at org.apache.commons.vfs.provider.ftp.FtpFileObject.getInfo(FtpFileObject.java:174)
	at org.apache.commons.vfs.provider.ftp.FtpFileObject.doAttach(FtpFileObject.java:166)
	at org.apache.commons.vfs.provider.AbstractFileObject.attach(AbstractFileObject.java:1267)
	... 4 more


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