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MQSeries.net Forum IndexIBM MQ API SupportEmpty putTime and putDate in Java

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mattfarney2
PostPosted: Thu Nov 12, 2020 3:31 pm Post subject: Empty putTime and putDate in Java Reply with quote

Newbie

Joined: 12 Nov 2020
Posts: 2

I have received some messages without putTime and putDate that caused my application issues. I'm trying to simulate these transactions, but the current version of the Java MQMD class has a single GregorianCalendar instead of individual char fields.

The MQMD1 header does have the smaller fields, but without better examples, I do not think I'll be able to get that to work. The copyFrom and copyTo operations throw null pointer exceptions - and the documentation does not specify what fields are required for either operation.

I have two questions:

1. Is there an easy way to generate an MQ message in Java with null and/or empty putTime/putDate fields?

2. Has anyone seen any examples of MQMD1 usage in Java?

-mf
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bruce2359
PostPosted: Thu Nov 12, 2020 5:08 pm Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 8816
Location: US: west coast, almost. Otherwise, enroute.

1. MQC.MQPMO_NO_CONTEXT

Read https://www.ibm.com/support/knowledgecenter/en/SSFKSJ_7.5.0/com.ibm.mq.javadoc.doc/WMQJavaClasses/com/ibm/mq/MQPutMessageOptions.html

2. A quick google search for 'java mqmd1' https://www.ibm.com/support/knowledgecenter/SSFKSJ_9.2.0/com.ibm.mq.javadoc.doc/WMQJavaClasses/com/ibm/mq/headers/MQMD1.html
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RogerLacroix
PostPosted: Fri Nov 13, 2020 10:12 am Post subject: Reply with quote

Jedi Knight

Joined: 15 May 2001
Posts: 3183
Location: London, ON Canada

Or you can go the opposite way, set CMQC.MQPMO_SET_ALL_CONTEXT for PMO options and then not set the putDateTime field of the MQMessage class.

Don't forget to set CMQC.MQOO_SET_ALL_CONTEXT for Open Options.

Regards,
Roger Lacroix
Capitalware Inc.
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mattfarney2
PostPosted: Fri Nov 13, 2020 10:45 am Post subject: Reply with quote

Newbie

Joined: 12 Nov 2020
Posts: 2

Thanks for the suggestions.

MQPMO_NO_CONTEXT worked perfectly.

-mf
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bruce2359
PostPosted: Fri Nov 13, 2020 1:01 pm Post subject: Reply with quote

Poobah

Joined: 05 Jan 2008
Posts: 8816
Location: US: west coast, almost. Otherwise, enroute.

MQPMO_SET_ALL requires put and setall permissions
MQPMO_NO_CONTEXT requires only put permission
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