To use Chilkat SFTP (Secure File Transfer over SSH) you must use the unlock code for Chilkat SSH. It should contain the substring “SSH”. If your unlock code contains the string “FTP”, then you are using the FTP2 unlock code, which is incorrect. The SFTP component/API is part of the “Chilkat SSH” license: “SFTP” is the Secure File Transfer Protocol […]
The “An attempt was made to load a program with an incorrect format.” indicates that your program attempted to load a win32 assembly on an x64 Windows OS, or the reverse. There is a separate Chilkat .NET assembly also named ChilkatDotNet2.dll for 64-bit Windows. It may be downloaded at: http://www.chilkatsoft.com/downloads.asp This is for the 2.0/3.5 (or greater) Framework. There is […]
Question: I have 21 text message service applications running on a single PC. These apps send out weather alerts to radio station listeners several times a day. Each may have a few subscribers to a few hundred subscribers, so at the top of the hour, the messages for the people signed up for that hour are sent. I sometimes get […]
Here’s an explanation for the following error message: Established TCP/IP connection with SSH server FromServer: SSH-1.5-Cisco-1.25 numBytesRequested: 8 Connection closed by server. Failed to read data on SSH connection. Failed to read 1st key exchange packet Failed. The error message indicates that as soon as the TCP/IP socket connection was accepted by the SSH server, it then decided to disconnect. […]
When Chilkat Zip writes a .zip, it first writes to a temporary file. (The location of the temporary file is controlled by the zip.TempDir property.) After the .zip is successfully written to the temp file, it is then renamed (i.e. moved) to the output filename. The reason for doing this is to safeguard an existing .zip when rewriting. If writing […]
Question: We are trying out the FTP2 ActiveX component for ASP. What we need to do is have people be able to upload files to the web server over the Internet. Is this component able to do this – or can it only FTP files that are already on the web server? Answer: This is a common question. The need […]
Question: Our problem that in the POP3 incoming account there are 400 mails but the developer’s UIDL query can see only the first 251 mails and downloads only 251 mails. Answer: There may be several common reasons. The first thing to do is to verify number of emails in the mailbox by calling the mailman.GetMailboxCount method. It sends a STAT […]
Question: There is a possibility that the file to be deleted does not actually exist, so can I do a test first so that i only delete if it is present and thus avoid any nasty warning about missing files? Answer: The Chilkat components/libraries never pop up warnings or display error messages — they simply return success/failure status and provide […]
Question: Some of our users are reporting that the self-extracting file reports “Failed to extract file”. The user has admin access to the file system and the file is not corrupted. Answer: When running the self-extracting EXE, use the “-log” command line option to generate a log file with error information. If the reason for failure is not clear, send […]
This blog post describes the solution to a problem experienced by a Chilkat customer trying to open a .zip archive using the Chilkat Zip ActiveX component in COM+. His/her code worked in a typical application environment, but not in COM+. The error occurred when trying to open a large .zip. The solution was to enable compensation and 3GB support (see […]