Hello
Situation: My program connects successfully to an IMAP server (groupwise) and processes a specific mailbox folder (that does not contain any emails) and shortly after disconnects from the server. After an interval of 6 seconds, it connects/disconnects again, etc. After about three hours of “seemingly” successful connecting to/disconnecting from the IMAP server, the following exception is thrown:
03.09.2017 04:20:00: [rechnung_test@kvsh.de] Could not connect to IMAP: AsposeException: ConnectFailure
—> AsposeException: ConnectFailure
—> System.IO.IOException: ConnectFailure —> System.Net.Sockets.SocketException: Ein Socketvorgang konnte nicht ausgeführt werden, da dem System Pufferspeicher fehlte oder eine Warteschlange voll war 172.20.10.65:143
bei System.Net.Sockets.Socket.DoConnect(EndPoint endPointSnapshot, SocketAddress socketAddress)
bei System.Net.Sockets.Socket.Connect(EndPoint remoteEP)
bei #=qzrOSkxOYPko0PYrd2nwbcif63fuO2_lO3xUQd3mDOf8=.#=qG1jg_EEyY6YpdKRIAkSrFg==(Boolean #=qRCpKk5EE2O61ZC$g7nwMdA==, Socket #=qjyVqwqTakBlOidXawBpHZQ==, Socket #=qA6$YiW8P6ybSGCnDHdck4w==, Socket& #=qWw7XBkY8IZzvuZ8WMbATLg==, IPAddress& #=qQXCZDyzFRe5MdbrQt_AOCQ==, #=qSNFYMIb3FDMRlTgFmAIlwxsWbQohYYBQPtGbbmYuLh3QGgZ4w4FAVZ$Z9XNnNw8w #=qxuOcB9E1XXgu0jNfXUkRBg==, IAsyncResult #=qfVLafpoW38MI3FRBD1EbcA==, Int32 #=qvQHa7yfS809dRKUtA6dHhA==, Exception& #=qJeEagMZfqMuo4lQSr9x0hQ==)
— Ende der internen Ausnahmestapelüberwachung —
bei #=qzrOSkxOYPko0PYrd2nwbcif63fuO2_lO3xUQd3mDOf8=.#=quBFLwGOlXpoHh2xa5vDEKw==(#=qkhi20vrH$Otn75AnKzkueYAOZQVafhZOaMntQVKlAps= #=qMs5Z4ktA4mlpmAmP55iQgw==, Object #=qri0_x9FZJoWNZxRAMTKzQQ==, Boolean #=qOnbzI4S4zkP6teq1xxVMSw==, IPAddress& #=qQXCZDyzFRe5MdbrQt_AOCQ==, Socket& #=qzbGR59XAKWxvdUuj648pww==, Socket& #=qefiuQEOA_ihAwlhaf24PAQ==, Int32 #=qvQHa7yfS809dRKUtA6dHhA==)
bei #=qkhi20vrH$Otn75AnKzkueYAOZQVafhZOaMntQVKlAps=.#=qHNBZOjLYt0Jb9bXLd15Q0g==(Object #=qDUjyq$w55XrHQbvgPqKJ2g==, Boolean #=qOnbzI4S4zkP6teq1xxVMSw==, Int32 #=qvQHa7yfS809dRKUtA6dHhA==, #=qNXSjVdy1DPHEvC9imtgx5vufS5X$AX8p6TzXpr9dCab2MZ2eXqECRJ9knSKner_E #=qTNfA7eL37oXIN4E8Amebvg==)
bei #=qkhi20vrH$Otn75AnKzkueYAOZQVafhZOaMntQVKlAps=.#=qHNBZOjLYt0Jb9bXLd15Q0g==(Object #=qDUjyq$w55XrHQbvgPqKJ2g==, #=qNXSjVdy1DPHEvC9imtgx5vufS5X$AX8p6TzXpr9dCab2MZ2eXqECRJ9knSKner_E #=qTNfA7eL37oXIN4E8Amebvg==)
bei #=qR_BGhRogRav$Q2wwWkmS8rn$JvaBY2HeidEbjjctho4=.#=qqPxwOu8aLsoYxaOtNw9UdQ7_j13Mx39PqjE7sHUIu3g=(#=qzrOSkxOYPko0PYrd2nwbcif63fuO2_lO3xUQd3mDOf8= #=q1vqOap93jilIwMZ6RHKevQ==, Int32 #=qvQHa7yfS809dRKUtA6dHhA==)
bei #=q2jSOkNcJfQQ7ugdKgY57RS3LVw51eBlIB8pd9oSBMW6tG2qMa3UTul0NGCwqMBYv.#=qW1xC8mMKcDXdoJ6Anxy6dQy10Qt4iwuLSZguHHE2eOw=(String #=qQVDqL0lQiNcZiVBaWXdmIw==, Int32 #=q1Syl881CH2LGpss$7e10jQ==, SecurityOptions #=qi00CYDARSpYTAZC0XaJvHPY9lNn$PhduZgkHRCmPu$g=, Int32 #=qvQHa7yfS809dRKUtA6dHhA==)
bei #=q2jSOkNcJfQQ7ugdKgY57RS3LVw51eBlIB8pd9oSBMW6tG2qMa3UTul0NGCwqMBYv.#=qb79rykASBAitZOvBZHIJhnyj0YXN80oDrJ_aEs1Pw8w=(String #=qQVDqL0lQiNcZiVBaWXdmIw==, Int32 #=q1Syl881CH2LGpss$7e10jQ==)
— End of inner exception stack trace —
bei #=q2jSOkNcJfQQ7ugdKgY57RS3LVw51eBlIB8pd9oSBMW6tG2qMa3UTul0NGCwqMBYv.#=qb79rykASBAitZOvBZHIJhnyj0YXN80oDrJ_aEs1Pw8w=(String #=qQVDqL0lQiNcZiVBaWXdmIw==, Int32 #=q1Syl881CH2LGpss$7e10jQ==)
bei #=q2jSOkNcJfQQ7ugdKgY57RS3LVw51eBlIB8pd9oSBMW6tG2qMa3UTul0NGCwqMBYv.#=qqjhI6Ehxqm8iQ44Ac_5EMQmvEuAWlo2FuCna2XbVnXA=.#=qliGBGa8LOXg_Hbm4JRB2EsVnnMbpq9F75msxPWxb655KjU6v9Vollemhl89kBKYY()
— End of inner exception stack trace —
bei #=q2jSOkNcJfQQ7ugdKgY57RS3LVw51eBlIB8pd9oSBMW6tG2qMa3UTul0NGCwqMBYv.#=qnp_zJCJP27TSIi7tjEiMWuBMpRCFk9QIg2E9Y8318Qo=(String #=qQVDqL0lQiNcZiVBaWXdmIw==, Int32 #=q1Syl881CH2LGpss$7e10jQ==)
bei #=qHt0JB54ghnJrNqMP5KDpZKKbgs1WnE480gyTqqElitg=.#=qFeLVT3rbZwNnuVnlF0THWg==(Int32 #=qPys4XrHWLYgP_T7CwmICUg==)
bei #=qHt0JB54ghnJrNqMP5KDpZKKbgs1WnE480gyTqqElitg=.#=quBFLwGOlXpoHh2xa5vDEKw==()
bei Aspose.Email.Imap.ImapClient.BeginGetFolderInfo(String folderName, AsyncCallback callback, Object state)
bei Com.Kendox.MailArchiver.Library.MailProviders.Imap.ImapMailProvider.Connect(MergedProfile profile, Action`2 callback)
It seems to me that somehow the connections are not correctly closed. Or could another reason cause this faulty behaviour? I am using Aspose.Email 17.1.0.0.
My code:
ImapClient client = new ImapClient();
client.Host = profile.ImapHostName;
client.Username = profile.MailBoxAddress;
string password = Encryption.ToInsecureString(profile.ImapMailBoxPassword);
if (string.IsNullOrEmpty(password))
{
throw new ImapConnectionException("IMAP mailbox password is not set.");
}
client.Password = password;
client.Port = profile.ImapPortNumber;
...
ImapFolderInfo folderInfo = client.GetFolderInfo(ImapFolderInfo.InBox)
...
try
{
client.CommitDeletes();
client.Dispose();
}
catch (Exception ex) { }
if (client != null)
client = null;
}
Best Regards
Andreas