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message segmentation problem |
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maheswarank |
Posted: Wed Jan 23, 2002 4:19 am Post subject: |
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Newbie
Joined: 21 Jan 2002 Posts: 6
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hi there
i am also having the same problem in message segmenting, i am not able to put a segmented message, even if i try putting it the groupid which i set before putting the message, is null when i get the message.
i have given the program in which i try to put a single message of a group,
but when i use this line in my program
myMessage.messageFlags = MQC.MQGS_MSG_IN_GROUP;
i get a run time error # 2249(MQRC_MSG_FLAGS_ERROR).
i would be grateful if anyone can guide me, in this problem
import com.ibm.mq.*;
public class messageput
{
public static void main(String a[]) throws Exception
{
MQEnvironment.hostname = "c-520";
MQEnvironment.channel = "SYSTEM.DEF.SVRCONN";
MQEnvironment.port = 1414;
MQQueueManager qmgr = null;
try
{
qmgr = new MQQueueManager("god");
int openOptions = MQC.MQOO_INPUT_AS_Q_DEF | MQC.MQOO_OUTPUT ;
MQQueue queue = qmgr.accessQueue("Devil", openOptions, null, null, null);
String grp = "Group 1: 001";
MQMessage myMessage = new MQMessage();
myMessage.groupId = grp.getBytes();
//myMessage.messageFlags = MQC.MQGS_MSG_IN_GROUP;
System.out.println("Group ID : " + new String(myMessage.groupId));
String name = "1.1 mess";
myMessage.writeString(name);
MQPutMessageOptions pmo = new MQPutMessageOptions();
pmo.options = MQC.MQPMO_LOGICAL_ORDER;
queue.put(myMessage,pmo);
myMessage = new MQMessage();
queue.put(myMessage,pmo);
queue.close();
qmgr.disconnect();
}
catch (MQException ex)
{
System.out.println("An MQSeries error occurred : Completion code " + ex.completionCode + " Reason code " + ex.reasonCode);
}
catch (java.io.IOException ex)
{
System.out.println("An error occurred whilst writing to the message buffer: " + ex);
}
}
}
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EddieA |
Posted: Wed Jan 23, 2002 1:38 pm Post subject: |
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 Jedi
Joined: 28 Jun 2001 Posts: 2453 Location: Los Angeles
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Hi,
MQC.MQGS_MSG_IN_GROUP is only an Output flag according to the Java manual. It is set when a message belonging to a group is read.
Hmmmm. Perhaps IBM didn't implemented Groups as an extension to the 'standard' JMS specification.
Cheers,
_________________ Eddie Atherton
IBM Certified Solution Developer - WebSphere Message Broker V6.1
IBM Certified Solution Developer - WebSphere Message Broker V7.0 |
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StefanSievert |
Posted: Wed Jan 23, 2002 4:11 pm Post subject: |
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 Partisan
Joined: 28 Oct 2001 Posts: 333 Location: San Francisco
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Eddie is right with his hint, even if your code doesn't look like it's using JMS. You should also check Chapter 8 of the manual MQSeries Using Java, which talks about platform specific fields and methods. messageFlags is not part of the core. But this might not be relevant to you.
May I add that you are referring to segmented messages, but your code looks like you want to achieve message grouping, which is the opposite.
Anyway, just a thought.
Stefan
_________________
Stefan Sievert
IBM Certified * MQSeries
[ This Message was edited by: StefanSievert on 2002-01-23 16:12 ] |
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maheswarank |
Posted: Wed Jan 23, 2002 6:40 pm Post subject: |
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Newbie
Joined: 21 Jan 2002 Posts: 6
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yup, the heading should have been related to message grouping not segmentation.
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