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From "Yurii Kartsev (JIRA)" <j...@apache.org>
Subject [jira] Commented: (VFS-317) FTPS bug: filesystem connected, but can't operate with files due to "Could not determine the type of file" error.
Date Tue, 21 Sep 2010 16:41:34 GMT

    [ https://issues.apache.org/jira/browse/VFS-317?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12913072#action_12913072
] 

Yurii Kartsev commented on VFS-317:
-----------------------------------

Your fix works, but fixing the system type does not, because it fixes something wrong which
results into "file does not exist". Maybe the workaround adds an option which the file doesn't
have and therefore it can't be found?

File name can't be a problem, because I've tested it on simple FTP and it works well.

The log shows nothing unusual:
-----------------------------------------------------------
09-21 10:28:21.323 EDT [main] INFO  org.apache.commons.vfs.impl.StandardFileSystemManager
 - Using "/tmp/vfs_cache" as temporary files store.
09-21 10:28:21.650 EDT [main] DEBUG org.apache.commons.vfs.impl.StandardFileSystemManager
 - Skipping provider "org.apache.commons.vfs.provider.http.HttpFileProvider" because required
class "org.apache.commons.httpclient.HttpClient" is not available.
09-21 10:28:21.651 EDT [main] DEBUG org.apache.commons.vfs.impl.StandardFileSystemManager
 - Skipping provider "org.apache.commons.vfs.provider.https.HttpsFileProvider" because required
class "org.apache.commons.httpclient.HttpClient" is not available.
09-21 10:28:21.674 EDT [main] DEBUG org.apache.commons.vfs.impl.StandardFileSystemManager
 - Skipping provider "org.apache.commons.vfs.provider.webdav.WebdavFileProvider" because required
class "org.apache.commons.httpclient.HttpClient" is not available.
09-21 10:28:23.608 EDT [main] DEBUG org.apache.commons.vfs.cache.SoftRefFilesCache  - putFile:
ftps://193.44.23.12:9001/archive
09-21 10:28:23.614 EDT [main] DEBUG org.apache.commons.vfs.cache.SoftRefFilesCache  - putFile:
file:///
09-21 10:28:23.615 EDT [main] DEBUG org.apache.commons.vfs.cache.SoftRefFilesCache  - putFile:
ftps://193.44.23.12:9001/archive/,AMCPROD,derivative_transactions_ssb_cds_20100917_03.xml.pgp,U,20100917A00012099821.txt
09-21 10:28:23.615 EDT [main] DEBUG org.apache.commons.vfs.cache.SoftRefFilesCache  - putFile:
ftps://193.44.23.12:9001/
09-21 10:28:23.718 EDT [main] DEBUG org.apache.commons.vfs.cache.SoftRefFilesCache  - close
fs: ftps://193.44.23.12:9001/
09-21 10:28:23.718 EDT [main] DEBUG org.apache.commons.vfs.cache.SoftRefFilesCache  - close
fs: file:///
-----------------------------------------------------------

> FTPS bug: filesystem connected, but can't operate with files due to "Could not determine
the type of file" error.
> -----------------------------------------------------------------------------------------------------------------
>
>                 Key: VFS-317
>                 URL: https://issues.apache.org/jira/browse/VFS-317
>             Project: Commons VFS
>          Issue Type: Bug
>    Affects Versions: Nightly Builds
>         Environment: Windows 7 x64
> jdk1.6.0_18
> commons-net-2.0.jar
>            Reporter: Yurii Kartsev
>            Priority: Critical
>
> Hello.
> I've build VFS from trunk(revision 993538) where user James Carman applied FTPS patch
from issue VFS-264.
> Using the built library I've managed to successfully connect to FTPS server, but I can't
make any file operation, including a check if file exists. I use this code for it:
>    ---------------------------------------------------------
>    FileObject dir = null;
>    String fileName = ",AMCPROD,derivative_pricing_ssb_cds_20100910_00.xml.pgp,U,20100910A00012022189.txt";
>    /* 
>          .... dir initialization
>    */
>    FileObject neededFile = dir.resolveFile(fileName);
>    return neededFile.exists(); //  <----- here the exception is thrown
>    ---------------------------------------------------------
> Here is the stack trace(including preceding vfs DEBUG logs):
> ---------------------------------------------------------
> 09-17 15:34:25.748 EDT [main] INFO  org.apache.commons.vfs.impl.StandardFileSystemManager
 - Using "/tmp/vfs_cache" as temporary files store.
> 09-17 15:34:26.50 EDT [main] DEBUG org.apache.commons.vfs.impl.StandardFileSystemManager
 - Skipping provider "org.apache.commons.vfs.provider.http.HttpFileProvider" because required
class "org.apache.commons.httpclient.HttpClient" is not available.
> 09-17 15:34:26.51 EDT [main] DEBUG org.apache.commons.vfs.impl.StandardFileSystemManager
 - Skipping provider "org.apache.commons.vfs.provider.https.HttpsFileProvider" because required
class "org.apache.commons.httpclient.HttpClient" is not available.
> 09-17 15:34:26.77 EDT [main] DEBUG org.apache.commons.vfs.impl.StandardFileSystemManager
 - Skipping provider "org.apache.commons.vfs.provider.sftp.SftpFileProvider" because required
class "com.jcraft.jsch.JSch" is not available.
> 09-17 15:34:26.80 EDT [main] DEBUG org.apache.commons.vfs.impl.StandardFileSystemManager
 - Skipping provider "org.apache.commons.vfs.provider.webdav.WebdavFileProvider" because required
class "org.apache.commons.httpclient.HttpClient" is not available.
> 09-17 15:34:27.871 EDT [main] DEBUG org.apache.commons.vfs.cache.SoftRefFilesCache  -
putFile: ftps://193.44.23.12:9001/archive
> 09-17 15:34:27.877 EDT [main] DEBUG org.apache.commons.vfs.cache.SoftRefFilesCache  -
putFile: file:///
> 09-17 15:34:27.878 EDT [main] DEBUG org.apache.commons.vfs.cache.SoftRefFilesCache  -
putFile: ftps://193.44.23.12:9001/archive/,AMCPROD,derivative_pricing_ssb_cds_20100910_00.xml.pgp,U,20100910A00012022189.txt
> 09-17 15:34:27.879 EDT [main] DEBUG org.apache.commons.vfs.cache.SoftRefFilesCache  -
putFile: ftps://193.44.23.12:9001/
> org.apache.commons.vfs.FileSystemException: Could not determine the type of file "ftps://193.44.23.12:9001/archive/,AMCPROD,derivative_pricing_ssb_cds_20100910_00.xml.pgp,U,20100910A00012022189.txt".
> 	at org.apache.commons.vfs.provider.AbstractFileObject.getType(AbstractFileObject.java:476)
> 	at org.apache.commons.vfs.provider.AbstractFileObject.exists(AbstractFileObject.java:448)
> 	at com.ssc.otc.ftpservice.core.FtpXClient.isSourceFileExist(FtpXClient.java:179)
> 	at com.ssc.otc.ftpservice.core.FtpManager.copyFile(FtpManager.java:105)
> 	at com.ssc.otc.ftpservice.ConsoleStart.runNewTask(ConsoleStart.java:102)
> 	at com.ssc.otc.ftpservice.ConsoleStart.main(ConsoleStart.java:67)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> 	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
> 	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
> 	at java.lang.reflect.Method.invoke(Method.java:597)
> 	at org.eclipse.jdt.internal.jarinjarloader.JarRsrcLoader.main(JarRsrcLoader.java:58)
> Caused by: org.apache.commons.net.ftp.parser.ParserInitializationException: Parser key
cannot be null
> 	at org.apache.commons.net.ftp.parser.DefaultFTPFileEntryParserFactory.createFileEntryParser(DefaultFTPFileEntryParserFactory.java:82)
> 	at org.apache.commons.net.ftp.FTPClient.initiateListParsing(FTPClient.java:2263)
> 	at org.apache.commons.net.ftp.FTPClient.listFiles(FTPClient.java:2046)
> 	at org.apache.commons.vfs.provider.ftps.FtpsClientWrapper.listFiles(FtpsClientWrapper.java:116)
> 	at org.apache.commons.vfs.provider.ftp.FtpFileObject.doGetChildren(FtpFileObject.java:140)
> 	at org.apache.commons.vfs.provider.ftp.FtpFileObject.getChildFile(FtpFileObject.java:110)
> 	at org.apache.commons.vfs.provider.ftp.FtpFileObject.getInfo(FtpFileObject.java:198)
> 	at org.apache.commons.vfs.provider.ftp.FtpFileObject.doGetType(FtpFileObject.java:321)
> 	at org.apache.commons.vfs.provider.AbstractFileObject.getType(AbstractFileObject.java:467)
> 	... 10 more
> ---------------------------------------------------------
> Please help me to solve this bug. I assume it's a bug because the connection is established,
the file IS there, but the type can't be determined. Maybe FTPS patch author forgot something?
> Thanks in advance.

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