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| _Angus_ |
 Posted: Thu Apr 23, 2009 1:06 am Post subject: Simple channel inquiry |
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Acolyte
Joined: 25 Apr 2005
Posts: 54
Location: Edinburgh
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Hi there,
I'm trying to inquire all channels on a Queue Manager for channel name and connection details. I want this for all channels regardless of status so want to see inactive ones as well. So far I've struggled to work out the PCF code to do this. What I currently have is:
// Build the request
PCFMessage request = new PCFMessage(CMQCFC.MQCMD_INQUIRE_CHANNEL);
// Add a parameter designating all channels should searched
request.addParameter(CMQCFC.MQCACH_CHANNEL_NAME, "*");
// Add a parameter designating the instance type (saved) desired
request.addParameter(CMQCFC.MQIACH_CHANNEL_INSTANCE_TYPE, CMQC.MQOT_SAVED_CHANNEL);
// Add a parameter designating the attributes desired, but first
// build an array list of attributes desired
int[] attrs = {CMQCFC.MQCACH_CHANNEL_NAME,
CMQCFC.MQCACH_CONNECTION_NAME};
// ...now add the parameter for these attributes
request.addParameter(CMQCFC.MQIACH_CHANNEL_INSTANCE_ATTRS, attrs);
// Now parse the responses ...
PCFMessage responses[] = agent.send (request);
Which always gives my back a parameter error (3014).
Any help explaining where I've gone wrong or, ideally, giving me a code example that works would be much appreciated
Thanks 
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Angus Cooke ~ AngusSoft
Integration Development Tools
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| mqjeff |
| Posted: Thu Apr 23, 2009 2:54 am Post subject: Re: Simple channel inquiry |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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| _Angus_ wrote: |
| CMQCFC.MQIACH_CHANNEL_INSTANCE_TYPE |
does not belong with
| _Angus_ wrote: |
| CMQCFC.MQCMD_INQUIRE_CHANNEL |
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| mqjeff |
| Posted: Thu Apr 23, 2009 2:56 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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In general, you probably want to loop over the results of [code]PCFMessage request = new PCFMessage(CMQCFC.MQCMD_INQUIRE_CHANNEL);
// Add a parameter designating all channels should searched
request.addParameter(CMQCFC.MQCACH_CHANNEL_NAME, "*"); [code]
and then INQUIRE CHANNEL STATUS. |
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| _Angus_ |
| Posted: Thu Apr 23, 2009 3:25 am Post subject: |
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Acolyte
Joined: 25 Apr 2005
Posts: 54
Location: Edinburgh
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Thank-you, that's half solved my problem. As inquire channel will always bring back the channel name that's one piece of information I want. I know I can optionally ask it to give the the channel connection details too - how do I tell it to do that as obviously I can't use the channel instance attributes?
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Angus Cooke ~ AngusSoft
Integration Development Tools
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| mqjeff |
| Posted: Thu Apr 23, 2009 3:34 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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Uhm,well
| Quote: |
int[] attrs = {CMQCFC.MQCACH_CHANNEL_NAME,
CMQCFC.MQCACH_CONNECTION_NAME}; |
should still work, AFAIK. |
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| mqtablet |
| Posted: Sat Dec 05, 2009 10:19 am Post subject: |
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Acolyte
Joined: 09 Jun 2009
Posts: 71
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Even I tried to do the same and I'm getting 3014 as well.
Not sure how to resolve this. I'm working continuously for more than 15 days on this, but could not catch up the result.
I'm fed up and I'm about to give up. Is there any other way to find out the connection name of a channel. I need this very badly.
Here is my code in C#.
MQQueueManager myQMGR = new MQQueueManager(myMQQmgr, myMQSvrConnChl, myMQConName);
PCFMessageAgent agent = new PCFMessageAgent(myQMGR);
PCFMessage request = new PCFMessage(CMQCFC.MQCMD_INQUIRE_CHANNEL);
request.AddParameter(CMQCFC.MQCACH_CHANNEL_NAME, "*");
request.AddParameter(CMQCFC.MQIACH_CHANNEL_INSTANCE_ATTRS, CMQCFC.MQCACH_CONNECTION_NAME);
PCFMessage[] responses = agent.Send(request);
Any help with the code is greatly appreciated.
Thanks in advance,
mqtablet |
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| fjb_saper |
| Posted: Sun Dec 06, 2009 5:00 pm Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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| mqtablet wrote: |
Even I tried to do the same and I'm getting 3014 as well.
Not sure how to resolve this. I'm working continuously for more than 15 days on this, but could not catch up the result.
I'm fed up and I'm about to give up. Is there any other way to find out the connection name of a channel. I need this very badly.
Here is my code in C#.
MQQueueManager myQMGR = new MQQueueManager(myMQQmgr, myMQSvrConnChl, myMQConName);
PCFMessageAgent agent = new PCFMessageAgent(myQMGR);
PCFMessage request = new PCFMessage(CMQCFC.MQCMD_INQUIRE_CHANNEL);
request.AddParameter(CMQCFC.MQCACH_CHANNEL_NAME, "*");
request.AddParameter(CMQCFC.MQIACH_CHANNEL_INSTANCE_ATTRS, CMQCFC.MQCACH_CONNECTION_NAME);
PCFMessage[] responses = agent.Send(request);
Any help with the code is greatly appreciated.
Thanks in advance,
mqtablet |
Try using channel attributes instead of channel instance attributes.
I believe channel instance attributes are good only for channel status.
Have fun 
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| mqtablet |
| Posted: Mon Dec 07, 2009 2:17 am Post subject: |
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Acolyte
Joined: 09 Jun 2009
Posts: 71
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Hi fjb_saper,
I tried, same error - 3014..  |
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| samucich |
| Posted: Mon Jan 11, 2010 12:46 pm Post subject: PCF_ChannelStatus.java |
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Newbie
Joined: 11 Jan 2010
Posts: 5
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Hello MQ fans...
I'm having a similar issue. I'm trying to run the out-of-box sample PCF_ChannelStatus.java program...error looks like this:
C:\Program Files\IBM\WebSphere MQ\tools\pcf\samples>java PCF_ChannelStatus QM_Services3
MQJE001: Completion Code '2', Reason '3065'.
Either the queue manager "QM_Services3" does not exist or the channel "PCFCHANL" does not exist on the queue manager.
Now I know that QM_Services3 is a valid QM...becuase I can run other samples fine using this name. So it must be the channel. I created a new channel called 'PCFCHANL' to match the constant that is in PCF_CommonMethods class. But still i get the error.
Does the channel need to be started? In WMQ Explorer I right-clicked the channel and selected Start...and a msg comes back 'The request to start the channel was accepted' ... but the 'Overall channel status' column always reads Inactive.?
Thanks, bye... |
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| fjb_saper |
| Posted: Mon Jan 11, 2010 6:44 pm Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
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PCFCHANL: should probably be of type SVRCONN?
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| samucich |
| Posted: Tue Jan 12, 2010 4:41 am Post subject: |
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Newbie
Joined: 11 Jan 2010
Posts: 5
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Yes it is of that type...i've since found another OOB sample that runs ok...i'll use this as a starting point....see below:
C:\Program Files\IBM\WebSphere MQ\tools\pcf\samples>java PCF_DisplayActiveLocalChannels QM_Services3
+-----+------------------------------------------------+----------+
|Index| Channel Name | Type |
+-----+------------------------------------------------+----------+
|0 |PCFCHANL |SVRCN |
|1 |SYSTEM.ADMIN.SVRCONN |SVRCN |
|2 |SYSTEM.AUTO.RECEIVER |RCVR |
|3 |SYSTEM.AUTO.SVRCONN |SVRCN |
|4 |SYSTEM.DEF.CLUSRCVR |CLUSRCVR |
|5 |SYSTEM.DEF.CLUSSDR |CLUSSDR |
|6 |SYSTEM.DEF.RECEIVER |RCVR |
|7 |SYSTEM.DEF.REQUESTER |RQSTR |
|8 |SYSTEM.DEF.SENDER |SDR |
|9 |SYSTEM.DEF.SERVER |SVR |
|10 |SYSTEM.DEF.SVRCONN |SVRCN |
|11 |S_Services3 |SVRCN |
|12 |TO_QM_Services3 |CLUSRCVR |
|13 |WEBLAYERS.CHANNEL |SVRCN |
+-----+------------------------------------------------+----------+ |
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| mqjeff |
| Posted: Tue Jan 12, 2010 5:22 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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MQRC 3065 is what again?
What does that suggest?
What happens if you use mqsc and issue "DIS CHSTATUS" on the same object? |
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| samucich |
| Posted: Tue Jan 19, 2010 9:09 am Post subject: |
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Newbie
Joined: 11 Jan 2010
Posts: 5
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This seems to work...
public static void GetChannelAttrs(PCF_CommonMethods pcfCM) throws PCFException,
MQDataException, IOException {
PCFMessage pcfCmd = new PCFMessage(MQConstants.MQCMD_INQUIRE_CHANNEL);
//pcfCmd.addParameter(MQConstants.MQCACH_CHANNEL_NAME, "WEBLAYERS.CHANNEL");
pcfCmd.addParameter(MQConstants.MQCACH_CHANNEL_NAME, "*");
int[] attrs = {MQConstants.MQCACH_DESC,MQConstants.MQCACH_MCA_USER_ID};
pcfCmd.addParameter(MQConstants.MQIACH_CHANNEL_TYPE, MQConstants.MQCHT_ALL);
pcfCmd.addParameter(MQConstants.MQIACF_CHANNEL_ATTRS, attrs);
// Execute the command. The returned object is an array of PCF messages.
PCFMessage[] pcfResponse = pcfCM.agent.send(pcfCmd);
// For each returned message, extract the message from the array and display the
// required information.
// The Channel information is held in some array element of the response object (the
// contents of the response object is defined in the documentation).
System.out.println("pcfRespnse is :" + pcfResponse.length);
for (int responseNumber = 0; responseNumber < pcfResponse.length; responseNumber++) {
//System.out.println("In response loop, responseNumber is : " + responseNumber);
//System.out.println("pcdResponse : " + pcfResponse[responseNumber]);
String mca_name = (String)pcfResponse[responseNumber]
.getParameterValue(MQConstants.MQCACH_MCA_USER_ID);
String channel_name = (String)pcfResponse[responseNumber]
.getParameterValue(MQConstants.MQCACH_CHANNEL_NAME);
if(mca_name != null) {
String trimmed_mca_name = mca_name.trim();
if (trimmed_mca_name.length() != 0) {
System.out.println(responseNumber + " MCA User ID is : " + trimmed_mca_name + " for channel " + channel_name + "\n");
}else{
System.out.println(responseNumber + " mca_names is null for channel " + channel_name + "/n");
}
}
}//end of for
} |
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