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TCP Error Codes

Die Fehlercodenummern sind Rückmeldungen der Netzwerktreiber ihres Systems.


In den Logdateien (im Ordner „Logs" des Datenbankordners) sind unter bestimmten Umständen z.B folgende Fehlermeldungen protokolliert:
  • IMAP.Idle.DeleteLostMailsClass.TCPError #102
  • IMAP.Core.MailboxClass.TCPError #103

Im Folgenden sind die originalen Beschreibungen dieser Fehlermeldungen aufgelistet. Sie können einen Hinweis auf die Ursache und somit zur Lösung geben.

Bsp: TCPError 102

Die Verbindung von Seiten des Servers wurde getrennt.


Es wurden z. B. zu viele Mailclientverbindungen zu dem Mailserver aufgebaut. ("Connect Failed FATAL: tut mir leid, schon zu viele Verbindungen")


Minimieren Sie die Verbindungen oder setzen Sie die maximal zulässige Anzahl auf einen höheren Wert.

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Socket Error Codes

The SocketCore class has a property called LastErrorCode, which is an integer value specifying what the last error code is.

These error codes provide you with key information about your socket, and it is not advisable to ignore them. Here is a list of the current errors and what they mean:

  • 100
    There was an error opening and initializing the drivers. Generally, this means that either OpenTransport (on the Mac), or WinSock (on Windows) is not installed, or the version is too low.
  • 101
    This error code is no longer used. You will not see any 101 errors in RB 5.0 or later.
  • 102
    This is an error you will see more often than most. It means that you lost your connection. You will get this error if the remote side disconnects (whether forcibly, by a user pulling the Ethernet cable out of his or her computer), or gracefully (by calling SocketCore.Close). This might or might not be a true error situation. If the remote side closed the connection, then it's not truly an error; it's just a status indication. But if the Ethernet cable got pulled, then it really is an error, but the result is the same: the connection was lost. You will also get this error if you call TCPSocket. Disconnect.
  • 103
    You will get this error if RB cannot resolve the address you specified. A prime example of this would be a mistyped IP address, or the domain name of an unreachable host.
  • 104
    This error code is no longer used. You will not see any 104 errors in RB 5.0 or later.
  • 105
    The address is currently in use. This error will occur if you attempt to bind to a port that you have already bound to. An example of this would be setting up two listening sockets to try to listen on the same port.
  • 106
    This is an invalid state error, which means that the socket is not in the proper state to be doing a certain operation. Example: calling TCPSocket.Write before the socket is actually connected.
  • 107
    This error means that the port you specified is invalid. This could mean that you entered a port number less than 0, or greater than 65,535. It could also mean that you do not have enough privileges to bind to that port. This happens primarily under OS X if you are not running as root. You can only bind to ports less than 1024 if you have root privileges in OS X.
  • 108
    This error means that you've run out of memory. We try to provide you with this error when the OS or underlying transport provider let us know that an operation could not be completed due to a lack of memory. Chances are, you will never encounter this error.

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Letzte Aktualisierung: 2018-05-16 12:50:46
Verwendete Suchtags: FAQ Log-Dateien TCP und Socket Error Codes