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| Null value |
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| John081603 |
 Posted: Fri Aug 16, 2002 3:14 am Post subject: Null value |
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Newbie
Joined: 16 Aug 2002
Posts: 2
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I am using MQ Series and Powerbuilder and I get an error message on a null object when my Wait Interval expires and no messages has come to the queue. Here is the line of code where it errors out
Get_obj.Get(get_obj, get_opt_obj)
How can I determine if a message exists or not?
Thanks in advance! |
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| bower5932 |
| Posted: Fri Aug 16, 2002 7:18 am Post subject: |
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Jedi Knight
Joined: 27 Aug 2001
Posts: 3023
Location: Dallas, TX, USA
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| I don't know anything about PowerBuilder, but with the C, C++ APIs, you would check for return code 2033 (no message available). Do you not get back a return code? |
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| John081603 |
| Posted: Fri Aug 16, 2002 8:27 am Post subject: More Information |
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Newbie
Joined: 16 Aug 2002
Posts: 2
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| Actually I made a mistake, I am not getting an error becasue of a null value, the error I am getting is for an error calling an external object function. I do not get this error when a message is on the queue, just when there sin't a message. I am doing a wait before trying the get. Any suggestions? |
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