APAR status
Closed as program error.
Error description
MQ Managed .NET client fails with '2195' MQRC_UNEXPECTED_ERROR during a MQGET call. System.ArgumentException: Offset and length were out of bounds for the array or count is greater than the number of elements from index to the end of the source collection. at System.Buffer.BlockCopy(Array src, Int32 srcOffset, Array dst,Int32 dstOffset, Int32 count) at IBM.WMQ.MQFAP.zstMQGET(ManagedHconn remoteHconn, Hobj hObj, MQMessageDescriptor& mqmd, MQGetMessageOptions& mqgmo, Int32 bufferLength, Byte[] buffer, Int32& dataLength, MQLPIGetOpts lpiGetOpts, Int32& compCode, Int32& reason) in C:\Users\IBM_ADMIN\pc\winnt\managed\MQA.cs:line 6962 000010EF 14:19:36.437585 1944.9 IBM.WMQ.MQQueue#019IBME9 throwing MQException: cc=2 rc=2195 000010F0 14:19:36.437585 1944.9 New MQException CompCode: 2 Reason: 2195 000010F1 14:19:40.945993 1944.9 (03)----}! MQDestination.Get(MQMessage,MQGetMessageOptions,int) rc=(Unknown(2195)) 000010F2 14:19:42.271995 1944.9 (02)---}! MQDestination.Get(MQMessage,MQGetMessageOptions) rc=(Unknown(2195)) 000010F3 14:19:43.395197 1944.9 (01)--}! MQDestination.Get(MQMessage) rc=(Unknown(2195))
Local fix
Modify the putting application to ensure that message lengths are 4 byte aligned
Problem summary
**************************************************************** USERS AFFECTED: Those using MQ .NET client application in managed mode. Platforms affected: Windows **************************************************************** PROBLEM DESCRIPTION: A coding error in the buffer allocation logic of MQGET call in the MQ managed .NET client caused System.ArgumentException to be thrown while getting the last segment of the message from the server, if the message size was not 4-byte aligned.
Problem conclusion
MQ .Net Managed client logic has been updated to correct the buffer allocation during MQGET call. --------------------------------------------------------------- The fix is targeted for delivery in the following PTFs: Version Maintenance Level v8.0 8.0.0.6 v9.0 CD 9.0.1 v9.0 LTS 9.0.0.1 The latest available maintenance can be obtained from 'WebSphere MQ Recommended Fixes' http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006037 If the maintenance level is not yet available information on its planned availability can be found in 'WebSphere MQ Planned Maintenance Release Dates' http://www-1.ibm.com/support/docview.wss?rs=171&uid=swg27006309 ---------------------------------------------------------------
Temporary fix
Comments
APAR Information
APAR number
IT14816
Reported component name
WMQ BASE MULTIP
Reported component ID
5724H7251
Reported release
800
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2016-04-15
Closed date
2016-07-28
Last modified date
2017-06-01
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
WMQ BASE MULTIP
Fixed component ID
5724H7251
Applicable component levels
R800 PSY
UP
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Document Information
Modified date:
01 June 2017