The Chilkat Zip methods for writing a .zip will first write the zip to a temp file in the directory specified by the Zip.TempDir property, and then if successful, moved/renamed to the actual output file. The default value for zip.TempDir is “.” (the current working directory) and this is often a directory where it is not possible to create files. […]
ActiveX event callbacks can be used to get progress information for lengthy operations, especially for API calls involving communications with servers, such as FTP, SFTP (SSH), IMAP, POP3, SMTP, HTTP, etc. To use an ActiveX in Delphi, the component must be “imported”. This generates wrapper files (TLB.pas) in the “imports” directory, and may also install icons on the component palettte. […]
The following error can be caused by a firewall blocking the iPAD/iPhone wifi connection: … connect successful (1) clientHelloMajorMinorVersion: 3.1 buildClientHello: majorVersion: 3 minorVersion: 1 numRandomBytes: 32 sessionIdSize: 0 numCipherSuites: 10 numCompressionMethods: 1 socketErrno: 32 socketError: Broken pipe Error sending on socket send_size: 58 Failed to send TLS message. Failed to send ClientHello Client handshake failed. Failed to connect to […]
See this Chilkat blog post for help in determining workable FTP connection settings: Determining FTP2 Connection Settings
“Could not load file or assembly ‘ChilkatDotNet2, Version=9.3.0.0, Culture=neutral, PublicKeyToken=eb5fc1fc52ef09bd’ or one of its dependencies. An attempt was made to load a program with an incorrect format.” The “incorrect format” error is a 32-bit vs. 64-bit mismatch. It means the application is trying to load a 64-bit .NET assembly into a 32-bit process, or the reverse (a 32-bit assembly into […]
If the SFTP server responds to a request to delete a file with the error “Permission Denied”, it means the SSH/SFTP user account does not have permission to delete the file. Here is a sample LastErrorText that shows the path of the remote file to be deleted, and the “Permission Denied” response from the server. ChilkatLog: RemoveFile: DllDate: Jan 19 […]
See this Chilkat web page for information about sending email with Return Receipt or Delivery Receipt.
When an SSH/SFTP server responds to a file open request with the error message “No Such File”, it means that it could not find the file (i.e. there was no such file). This is a snippet from the LastErrorText property: … OpenRemoteFile: filename: something.dat access: readOnly createDisposition: openExisting v3Flags: 0x1 Sent FXP_OPEN StatusResponse: Request: FXP_OPEN StatusCode: 2 StatusMessage: No such […]
Question: I had some IMAP code working with Chilkat iOS 9.2.1 version. Tried upgrading to 9.3.0 (wanted to use the new attachments functionality) and got the following error: Undefined symbols for architecture i386: “_res_9_query”, referenced from: ChilkatResolve::mxLookup(char const*, ScoredStrings&, LogBase&, bool) in libchilkatIos.a(ChilkatResolve.o) ChilkatResolve::dkimLookup(char const*, StringBuffer&, LogBase&, bool) in libchilkatIos.a(ChilkatResolve.o) ChilkatResolve::bestMxLookup(char const*, StringBuffer&, LogBase&, bool) in libchilkatIos.a(ChilkatResolve.o) ld: symbol(s) not […]
If this FTP server response is seen in the LastErrorText, it means that the SSL/TLS connection requires a client-side certificate with private key. Prior to connecting, the client-side certificate should be specified by calling the SetSslClientCert, or SetSslClientCertPfx. Make sure to check the return value of these methods for success/failure. If the SetSslClientCert* method fails, then no client-side certificate has […]