We use IIS / https / client certs here, so we've definitely had our fair share of strange 2038 errors to hunt down with file uploads.
Some issues we had are: -"403" error when the new connection doesn't send the client cert. -Server cert is invalid or expired (usually more of an issue with self-signed certs). -Server resets connection for files that are over a given size (iis I believe defaults to 40k). -Mark -----Original Message----- From: SAngeri [mailto:srikanthang...@gmail.com] Sent: Tuesday, February 04, 2014 3:17 AM To: users@flex.apache.org Subject: Error #2038: File I/O Error. URL:https://10.11.32.11/cgi-bin/upload.pl Hi, I have a flex application(Flex 3.6) doing file upload, which is working perfectly for chrome and IE browsers but for firefox browser the app repeatedly gets #2038 error. I am using linux operting system and apache server. Recently converted http to https (before conversion of https it worked perfectly on all browsers) . FYI - In the browser URL i am seeing certificate error . What could be going wrong please help me. thanks for your help in advance ! -- View this message in context: http://apache-flex-users.2333346.n4.nabble.com/Error-2038-File-I-O-Error-URL-https-10-11-32-11-cgi-bin-upload-pl-tp4789.html Sent from the Apache Flex Users mailing list archive at Nabble.com.