Message could not be forwarded to the JCA adapter

Dear all,

I am facing the issue:

i am trying to send files to sftp server via SFTP adapter but in the receiver channel I am getting this error:

Message could not be forwarded to the JCA adapter. Reason: 3: Putting /folder1/folder2/10124__20140603-152747-700.txt failed.

exception caught with cause javax.resource.ResourceException: 3: Putting /folder1/folder2/10124__20140603-152747-700.txt failed.

Adapter Framework caught exception: 3: Putting /folder1/folder2/10124__20140603-152747-700.txt failed.

Delivering the message to the application using connection SFTP_http://sap.com/xi/XI/SFTP failed, due to: com.sap.engine.interfaces.messaging.api.exception.MessagingException: javax.resource.ResourceException: 3: Putting /folder1/folder2/10124__20140603-152747-700.txt failed..

I am not able to keep the files in folder2.

there is no problem in access rights.

I am able to access the same from Putti but from channel i m unable to do so.

Please help.