[VFS] problem on runtime connection to SFTp server

[lmk]

Hi all,

Im using VFS to  get SFTP files, when I try to get files on the main methode, it works, but when, calling the same method with the same parameters  on tomcat 5.5 web app does not work.
I get the exception .;:

java.lang.RuntimeException: SFTP error parsing path /myFolder.
Caused by: org.apache.commons.vfs.FileSystemException: Could not connect to SFTP server at "hostname".

any ideas about this issue.

thanks by advance.

[lmk]

Im using a DefaultFileSystemManager
the exception occured on : dfsManager.resolveFile(path, fsop);

Best regards!

lmk wrote:

Hi all,

Im using VFS to  get SFTP files, when I try to get files on the main methode, it works, but when, calling the same method with the same parameters  on tomcat 5.5 web app does not work.
I get the exception .;:

java.lang.RuntimeException: SFTP error parsing path /myFolder.
Caused by: org.apache.commons.vfs.FileSystemException: Could not connect to SFTP server at "hostname".

any ideas about this issue.

thanks by advance.

[lmk]

I get a strange problem,

the first time I try to  get files it works, the second one, it does not work. same directoty, same login...

lmk wrote:

Hi all,

Im using VFS to  get SFTP files, when I try to get files on the main methode, it works, but when, calling the same method with the same parameters  on tomcat 5.5 web app does not work.
I get the exception .;:

java.lang.RuntimeException: SFTP error parsing path /myFolder.
Caused by: org.apache.commons.vfs.FileSystemException: Could not connect to SFTP server at "hostname".

any ideas about this issue.

thanks by advance.

[Sergey Vladimirov]

Hi, lmk.

Can you provide full stack trace of exception, please?

--
Sergey Vladimirov

On Tue, Mar 24, 2009 at 12:09 PM, lmk <[hidden email]> wrote:

>
> I get a strange problem,
>
> the first time I try to  get files it works, the second one, it does not
> work. same directoty, same login...
>
>
> lmk wrote:
>>
>> Hi all,
>>
>> Im using VFS to  get SFTP files, when I try to get files on the main
>> methode, it works, but when, calling the same method with the same
>> parameters  on tomcat 5.5 web app does not work.
>> I get the exception .;:
>>
>> java.lang.RuntimeException: SFTP error parsing path /myFolder.
>> Caused by: org.apache.commons.vfs.FileSystemException: Could not connect
>> to SFTP server at "hostname".
>>
>> any ideas about this issue.
>>
>> thanks by advance.
>>
>>
>
> --
> View this message in context: http://www.nabble.com/-VFS--problem-on-runtime-connection-to-SFTp-server-tp22664327p22676419.html
> Sent from the Commons - User mailing list archive at Nabble.com.
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: [hidden email]
> For additional commands, e-mail: [hidden email]
>
>

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[lmk]

Hi Sergey,

here the exception trace

org.apache.commons.vfs.FileSystemException: Unknown scheme "sftp" in URI "sftp://login:password@host/path/".


detailMessage=vfs.impl/unknown-scheme.error


regards!

Sergey Vladimirov wrote:

Hi, lmk.

Can you provide full stack trace of exception, please?

--
Sergey Vladimirov

On Tue, Mar 24, 2009 at 12:09 PM, lmk <[e-mail]> wrote:
>
> I get a strange problem,
>
> the first time I try to  get files it works, the second one, it does not
> work. same directoty, same login...
>
>
> lmk wrote:
>>
>> Hi all,
>>
>> Im using VFS to  get SFTP files, when I try to get files on the main
>> methode, it works, but when, calling the same method with the same
>> parameters  on tomcat 5.5 web app does not work.
>> I get the exception .;:
>>
>> java.lang.RuntimeException: SFTP error parsing path /myFolder.
>> Caused by: org.apache.commons.vfs.FileSystemException: Could not connect
>> to SFTP server at "hostname".
>>
>> any ideas about this issue.
>>
>> thanks by advance.
>>
>>
>
> --
> View this message in context: http://www.nabble.com/-VFS--problem-on-runtime-connection-to-SFTp-server-tp22664327p22676419.html
> Sent from the Commons - User mailing list archive at Nabble.com.
>
>
> ---------------------------------------------------------------------
> To unsubscribe, e-mail: [e-mail]
> For additional commands, e-mail: [e-mail]
>
>

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[Jörg Schaible]

lmk wrote at Dienstag, 24. März 2009 14:58:

>
> Hi Sergey,
>
> here the exception trace
>
> org.apache.commons.vfs.FileSystemException: Unknown scheme "sftp" in URI
> "sftp://login:password@host/path/".

This is an error message, but not a stack trace. However, it seems that you
do not have commons-net and jsch in your deps ...

- Jörg


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[lmk]

I have
 commons-net-2.0
commons-vfs-1.0
jsch-0.1.40


the first call works..but the second  one does not.

Jörg Schaible-2 wrote:

lmk wrote at Dienstag, 24. März 2009 14:58:

>
> Hi Sergey,
>
> here the exception trace
>
> org.apache.commons.vfs.FileSystemException: Unknown scheme "sftp" in URI
> "sftp://login:password@host/path/".

This is an error message, but not a stack trace. However, it seems that you
do not have commons-net and jsch in your deps ...

- Jörg


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[lmk]

It seems that the problem comes from release function, when I call It after  copying files, the second SFTP connection fail.

here the release method code:

public void release() {
                this.fsManager.close();

        } // release()

lmk wrote:

I have
 commons-net-2.0
commons-vfs-1.0
jsch-0.1.40


the first call works..but the second  one does not.

Jörg Schaible-2 wrote:

lmk wrote at Dienstag, 24. März 2009 14:58:

>
> Hi Sergey,
>
> here the exception trace
>
> org.apache.commons.vfs.FileSystemException: Unknown scheme "sftp" in URI
> "sftp://login:password@host/path/".

This is an error message, but not a stack trace. However, it seems that you
do not have commons-net and jsch in your deps ...

- Jörg


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[tlc]

I have similar problem.  The call to 'resolveFile' failed with 'Unknown scheme "sftp"' error on the second operation.  I found couple things:

1) URL is of form sftp://user:pass@host/remotepath/ does not work on Tomcat.  I had to change to using the below to authenticate:
StaticUserAuthenticator auth = new StaticUserAuthenticator(null, "username", "password");
DefaultFileSystemConfigBuilder.getInstance().setUserAuthenticator(opts, auth);

2) fsManager.close() between operations causes the error.  You need to remove this and close it only once when the whole process completes.

lmk wrote:

It seems that the problem comes from release function, when I call It after  copying files, the second SFTP connection fail.

here the release method code:

public void release() {
                this.fsManager.close();

        } // release()

lmk wrote:

I have
 commons-net-2.0
commons-vfs-1.0
jsch-0.1.40


the first call works..but the second  one does not.

Jörg Schaible-2 wrote:

lmk wrote at Dienstag, 24. März 2009 14:58:

>
> Hi Sergey,
>
> here the exception trace
>
> org.apache.commons.vfs.FileSystemException: Unknown scheme "sftp" in URI
> "sftp://login:password@host/path/".

This is an error message, but not a stack trace. However, it seems that you
do not have commons-net and jsch in your deps ...

- Jörg


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[Ken Tanaka]

If you need to call release() (and reinitialize) between processing operations I recommend you use a release method like this:

    public void release() {
        FileSystem fs = null;

        fs = this.src.getFileSystem(); // This works even if the src is closed.
        this.fsManager.closeFileSystem(fs);
    }

In order for this release() to work, your class will need to have a

    private FileObject src = null; // used for cleanup in release()

and some time after setting

    children = this.sftpFile.getChildren();

you should

    // Set src for cleanup in release()

    src = children[0];

There is an example in the wiki at
http://wiki.apache.org/jakarta-commons/SimpleSftpFileDownload

tlc wrote:

> I have similar problem.  The call to 'resolveFile' failed with 'Unknown
> scheme "sftp"' error on the second operation.  I found couple things:
>
> 1) URL is of form sftp://user:pass@host/remotepath/ does not work on Tomcat.
> I had to change to using the below to authenticate:
> StaticUserAuthenticator auth = new StaticUserAuthenticator(null, "username",
> "password");
> DefaultFileSystemConfigBuilder.getInstance().setUserAuthenticator(opts,
> auth);
>
> 2) fsManager.close() between operations causes the error.  You need to
> remove this and close it only once when the whole process completes.
>
>
> lmk wrote:
>  
>> It seems that the problem comes from release function, when I call It
>> after  copying files, the second SFTP connection fail.
>>
>> here the release method code:
>>
>> public void release() {
>> this.fsManager.close();
>>
>> } // release()
>>
>>
>>
>> lmk wrote:
>>    
>>> I have
>>>  commons-net-2.0
>>> commons-vfs-1.0
>>> jsch-0.1.40
>>>
>>>
>>> the first call works..but the second  one does not.
>>>
>>>
>>>
>>>
>>> Jörg Schaible-2 wrote:
>>>      
>>>> lmk wrote at Dienstag, 24. März 2009 14:58:
>>>>
>>>>        
>>>>> Hi Sergey,
>>>>>
>>>>> here the exception trace
>>>>>
>>>>> org.apache.commons.vfs.FileSystemException: Unknown scheme "sftp" in
>>>>> URI
>>>>> "sftp://login:password@host/path/".
>>>>>          
>>>> This is an error message, but not a stack trace. However, it seems that
>>>> you
>>>> do not have commons-net and jsch in your deps ...
>>>>
>>>> - Jörg
>>>>
>>>>
>>>> ---------------------------------------------------------------------
>>>> To unsubscribe, e-mail: [hidden email]
>>>> For additional commands, e-mail: [hidden email]
>>>>
>>>>
>>>>
>>>>        
>>>      
>>    
>
>  

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