APAR status
Closed as program error.
Error description
Intermittent issue occurs when sending files from MQFTE to FTP Server Adapter. FTP Server Adapter log states "I/O problem, transfer is not completed". Due to the error, the messages extraction is aborted and the message is still available in the mailbox, but the file is received at the destination. This results in the same file being sent again.
Local fix
Problem summary
Users Affected: All users Platforms Affected All platforms Problem Description The FTP Server adapter incorrectly reports an I/O error after a successful file transfer. As a result, the MQ client interprets the transfer as failed and retries sending the file.
Problem conclusion
Resolution Summary The FTP Server adapter has been updated to resolve a race condition that incorrectly generated the I/O error after successful file transfers. This prevents unnecessary retries by the MQ client. Delivered in: 6020103 All future Fix Packs can be found in the Release Timeline Matrix - https://www.ibm.com/support/pages/node/6194265
Temporary fix
Comments
APAR Information
APAR number
IT49251
Reported component name
STR B2B INTEGRA
Reported component ID
5725D0600
Reported release
621
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2026-04-07
Closed date
2026-10-14
Last modified date
2026-10-14
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
STR B2B INTEGRA
Fixed component ID
5725D0600
Applicable component levels
[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SS3JSW","label":"Sterling B2B Integrator"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"621","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]
Document Information
Modified date:
14 October 2026