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| Empty bytes in message - Urgent |
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| tergo |
 Posted: Wed Feb 11, 2004 12:26 pm Post subject: Empty bytes in message - Urgent |
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Newbie
Joined: 11 Feb 2004
Posts: 1
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Help! In VB.Net, the System.String datatype is inherently Unicode, whereas in VB6 it was inherently ASCII. Here is the problem:
If you take the following 3 characters and write it to a queue without .Net, if you examine the message in hexadecimal you will see:
The string we are writing in: XHO
The hexadecimal representation: 58 48 4F
Data length: 3
However, if you take the same 'XHO' string, but this time from VB.Net via IBM.WMQ, and write it to a queue you get:
The string we are writing in: XHO
The hexadecimal representation: 58 00 48 00 4F 00
Data length: 6
When Websphere sees the Unicode, he pads each character with an extra empty byte. Does anyone know of a way to prevent this from occurring? Or alternatively, does anyone know how to write the message into the queue byte for byte instead of using a string? |
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| JasonE |
| Posted: Wed Feb 11, 2004 1:56 pm Post subject: |
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Grand Master
Joined: 03 Nov 2003
Posts: 1220
Location: Hursley
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Set the characterset of the message to a non-unicode value, and use writestring. Eg nmqsput modified as follows:
| Quote: |
mqMsg = new MQMessage();
mqMsg.CharacterSet = 850; <** added
mqMsg.WriteString( message ); |
Mind you, as long as the FORMAT is set to MQSTR and the CCSID is unicode, if the getter uses convert it should convert it ok anyway |
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