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Message
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| anilit99 |
 Posted: Tue Jul 07, 2009 3:01 am Post subject: |
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Voyager
Joined: 28 May 2009
Posts: 75
Location: London, UK
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extract from the Using Java thing :
| Code: |
catch (JMSException je) {
System.err.println("Caught JMSException");
// Check for linked exceptions in JMSException
Throwable t = je;
while (t != null) {
// Write out the message that is applicable to all exceptions
System.err.println("Exception Msg: " + t.getMessage());
// Write out the exception stack trace
t.printStackTrace(System.err);
// Add on specific information depending on the type of exception
if (t instanceof JMSException) {
JMSException je1 = (JMSException) t;
System.err.println("JMS Error code: " + je1.getErrorCode());
if (t instanceof JmsExceptionDetail){
JmsExceptionDetail jed = (JmsExceptionDetail)je1;
System.err.println("JMS Explanation: " + jed.getExplanation());
System.err.println("JMS Explanation: " + jed.getUserAction());
}
} else if (t instanceof MQException) {
MQException mqe = (MQException) t;
System.err.println("WMQ Completion code: " + mqe.getCompCode());
System.err.println("WMQ Reason code: " + mqe.getReason());
} else if (t instanceof JmqiException){
JmqiException jmqie = (JmqiException)t;
System.err.println("WMQ Log Message: " + jmqie.getWmqLogMessage());
System.err.println("WMQ Explanation: " + jmqie.getWmqMsgExplanation());
System.err.println("WMQ Msg Summary: " + jmqie.getWmqMsgSummary());
System.err.println("WMQ Msg User Response: "
+ jmqie.getWmqMsgUserResponse());
System.err.println("WMQ Msg Severity: " + jmqie.getWmqMsgSeverity());
}
// Get the next cause
t = t.getCause();
}
} |
I am a total newbie here, even then I couldnt stop myself from appreciating the effort these MQ guys had put into this error handling !!!
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"I almost care !" |
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| dotaneli |
| Posted: Tue Jul 07, 2009 3:16 am Post subject: |
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Voyager
Joined: 19 Oct 2005
Posts: 99
Location: Israel
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Great, thanks.
after adding:
System.err.println("JMS Linked exception: " + e.getLinkedException());
in the catch area, i got:
JMS Linked exception: com.ibm.mq.MQException: MQJE001: Completion Code 2, Reason 2142
mqrc 2142 gives me:
2142 0x0000085e MQRC_HEADER_ERROR
which probarly means that i'm messing with the header, and shoudln't do it.
Only question is - when i don't set the format field, why can't rfhutil see the message? |
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| fjb_saper |
| Posted: Tue Jul 07, 2009 3:40 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20757
Location: LI,NY
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O.K.
So you NEED TO STOP MIXING JMS and MQ Base style programming. THEY'RE NOT COMPATIBLE.
The decision on whether to use a JMS header(RFH) is being made with the targetClient property on the Destination (JMS).
Setting the format field is a java base thing.
Also if you ever create an RFH header in java base (nonsense in my opinion, write a JMS program!) make sure you respect the corresponding byte alignment laws...
Have fun 
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| Vitor |
| Posted: Tue Jul 07, 2009 3:51 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| dotaneli wrote: |
which probarly means that i'm messing with the header, and shoudln't do it.
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It certainly means you're doing it wrong. The header has some quite specific rules, which is why most Java apps use JMS to manipulate it.
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Honesty is the best policy.
Insanity is the best defence. |
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| dotaneli |
| Posted: Tue Jul 07, 2009 3:56 am Post subject: |
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Voyager
Joined: 19 Oct 2005
Posts: 99
Location: Israel
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Okay guys, 10x.
I rewrote the code, since the code given to me was the client's code.
It now works perfectly.
The other thing I need to know is how do i read or set the RFH2 header using MQ Base?
I know - JMS is a preffered way for that, but the client insists on both MQ Base and JMS implementation..
So please - a reference to a good step by step documentation would be valued..
Thank you! |
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| fjb_saper |
| Posted: Tue Jul 07, 2009 4:01 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20757
Location: LI,NY
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| dotaneli wrote: |
Okay guys, 10x.
I rewrote the code, since the code given to me was the client's code.
It now works perfectly.
The other thing I need to know is how do i read or set the RFH2 header using MQ Base?
I know - JMS is a preffered way for that, but the client insists on both MQ Base and JMS implementation..
So please - a reference to a good step by step documentation would be valued..
Thank you! |
Have you read the programmer's manual and reference ? Not just Using Java!
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| dotaneli |
| Posted: Tue Jul 07, 2009 4:16 am Post subject: |
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Voyager
Joined: 19 Oct 2005
Posts: 99
Location: Israel
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Once, long time ago..
Do you happen to have a link to the RedBook download?
10x..
Plus - Why is the MQHeaders class unavailable? It should make life so much easier, but i cannot find the relevant jar. Nor is it available online..
. |
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| anilit99 |
| Posted: Tue Jul 07, 2009 4:24 am Post subject: |
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Voyager
Joined: 28 May 2009
Posts: 75
Location: London, UK
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| Quote: |
| The other thing I need to know is how do i read or set the RFH2 header using MQ Base? |
I got this from the link I posted earlier. I didnt try this one, but looks like it worked for so many people.
| Code: |
public MQMessage buildRFH2Header(MQMessage msg) throws IOException {
String pubCommand = new String();
pubCommand = "<psc><Command>Publish</Command><Topic>Stock</Topic>" +
"<QMgrName>QFLEXT1</QMgrName><QName>QFLEXT1.A</QName></psc>";
int folderLength = pubCommand.length();
MQMessage theMsg = msg;
theMsg.format = MQC.MQFMT_RF_HEADER_2; // Msg Format
theMsg.writeString(MQC.MQRFH_STRUC_ID); // StrucId
theMsg.writeInt4(MQC.MQRFH_VERSION_2); // Version
theMsg.writeInt4(MQC.MQRFH_STRUC_LENGTH_FIXED_2 + folderLength + 4);
//4) + rf); // StrucLength
theMsg.writeInt4(MQC.MQENC_NATIVE); // Encoding
theMsg.writeInt4(MQC.MQCCSI_DEFAULT); // CodedCharacterSetId
theMsg.writeString(MQC.MQFMT_NONE); // Format (content)
theMsg.writeInt4(MQC.MQRFH_NO_FLAGS); // Flags
theMsg.writeInt4(1208); // NameValueCCSID = UTF-8
theMsg.writeInt4(folderLength);
theMsg.writeString(pubCommand);
theMsg.writeString("begin payload");
return theMsg;
} |
Being said that, I totally second this statement from the veteran.
| Quote: |
| So you NEED TO STOP MIXING JMS and MQ Base style programming. THEY'RE NOT COMPATIBLE. |
JMS definitely makes life easy.
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| dotaneli |
| Posted: Tue Jul 07, 2009 4:51 am Post subject: |
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Voyager
Joined: 19 Oct 2005
Posts: 99
Location: Israel
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thanks, that helps alot.
However, i need to set the <usr> folder, not pub/sub...
can i do in the same manner? what's the exact path i need to build?
thank you |
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| dotaneli |
| Posted: Tue Jul 07, 2009 4:59 am Post subject: |
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Voyager
Joined: 19 Oct 2005
Posts: 99
Location: Israel
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never mind, it worked...
Now - should be harder to parse it (when reading), right? |
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