APAR status
Closed as program error.
Error description
If an IBM MQ managed XMS .Net client reconnects when there is a broken connection, no further messages are consumed. The reconnected connection's asynchronous state is shown as suspended in MQ explorer and DIS CONN output: ASTATE(SUSPENDED).
Local fix
Problem summary
**************************************************************** USERS AFFECTED: Users who are using managed XMS .Net client with asynchronous consume with reconnection. Platforms affected: Linux on x86-64, Windows **************************************************************** PROBLEM DESCRIPTION: A synchronization issue caused the reconnection thread to resume connection handles in an incorrect order. This caused the MQ client's aysnchronous consumer logic to not consume any messages after the reconnect.
Problem conclusion
The synchronization issue in the MQ XMS managed .Net client has been corrected. After the reconnect, the asynchronous consumer will be resumed and deliver any eligible messages to the application. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v9.3 LTS 9.3.0.20 v9.x CD 9.4.1 The latest available maintenance can be obtained from 'IBM MQ Recommended Fixes' https://www.ibm.com/support/pages/recommended-fixes-ibm-mq If the maintenance level is not yet available information on its planned availability can be found in 'IBM MQ Planned Maintenance Release Dates' https://ibm.biz/mqplannedmaintenance ---------------------------------------------------------------
Temporary fix
Comments
APAR Information
APAR number
IT43756
Reported component name
MQ BASE V9.3
Reported component ID
5724H7291
Reported release
931
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2023-05-15
Closed date
2024-05-07
Last modified date
2024-05-14
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
MQ BASE V9.3
Fixed component ID
5724H7291
Applicable component levels
[{"Business Unit":{"code":"BU048","label":"IBM Software"},"Product":{"code":"SSYHRD","label":"IBM MQ"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"931","Line of Business":{"code":"LOB67","label":"IT Automation \u0026 App Modernization"}}]
Document Information
Modified date:
14 May 2024