Yes, sorry Roger, we are running the Java application in batch from a UNIX script on the MQ server machine. At some point we may port this code to a J2EE environment (Sun CAPS).
-----Original Message----- From: MQSeries List [mailto:[EMAIL PROTECTED] On Behalf Of Roger Lacroix Sent: Thursday, September 06, 2007 3:25 PM To: [email protected] Subject: Re: XA Switch file for MQ and C compiler Hi, A couple of comments: 1) That article talks about binding mode connections (i.e. local QMgr) and the queue manager acting as a resource coordinator. 2) Since I asked but you never answered, I take it that your Java application is running outside of a J2EE container. Now to the cost: Do you have a licensed queue manager on the server where you want to run the Java program? Because ETC is roughly 75% cost of a full QMgr license. Of course, to use ETC your Java progam needs to run in a J2EE container and this may not be what you are looking for. Third, someone recently said that ETC is now incuded in the WMQ v6 Client. I don't know if this is true but it is something to look into. Regards, Roger Lacroix Capitalware Inc. http://www.capitalware.biz On Thu, 6 Sep 2007 14:52:26 -0400, "Heggie, Peter" <[EMAIL PROTECTED]> wrote: > My developer forwarded this link, it looks like MQ is acting as both > resource and transaction, with either DB2 or Oracle. It requires the > generation of a switch file and updating the qm.ini with pointers to it. > > > http://www.ibm.com/developerworks/websphere/library/techarticles/0601_ri > tchie/0601_ritchie.html > > It keeps things simple, but puts us back in the position of requiring an > approved C compiler. > > -----Original Message----- > From: MQSeries List [mailto:[EMAIL PROTECTED] On > Behalf Of Roger Lacroix > Sent: Thursday, September 06, 2007 1:52 PM > To: [email protected] > Subject: Re: XA Switch file for MQ and C compiler > > Hi, > >> Can MQ or Oracle assume the role of transaction coordinator? > > Oracle is a broad term these days. If you mean Oracle DB then no. > > Most of my experience is with Oracle DB v8 and v9. I have had minimal > experience with 10G. So, I am unsure if Oracle DB 10G can be > transaction coordinator. > > > Regards, > Roger Lacroix > Capitalware Inc. > http://www.capitalware.biz > > > On Thu, 6 Sep 2007 13:45:02 -0400, "Heggie, Peter" > <[EMAIL PROTECTED]> wrote: >> Can MQ or Oracle assume the role of transaction coordinator? WAS & >> Weblogic are not involved in this interface. >> >> -----Original Message----- >> From: MQSeries List [mailto:[EMAIL PROTECTED] On >> Behalf Of Roger Lacroix >> Sent: Thursday, September 06, 2007 1:25 PM >> To: [email protected] >> Subject: Re: XA Switch file for MQ and C compiler >> >> Hi Peter, >> >> For Java, you do not need the XA Switch file regardless of your >> connection type (i.e. binding or client mode). >> >> To do XA transaction in binding mode, you need local MQ, transaction >> coordinator (i.e. WAS, WebLogic or Encina) and a DB. >> >> To do XA transaction in client mode, you need a remote MQ, ETC > (locally >> installed), transaction coordinator (i.e. WAS, WebLogic or Encina) and > a >> DB. >> >> The last couple of clients I went to (over the last 2 years) had > similar >> setup: MQ, WebLogic and Oracle (on Solaris). Each was installed on >> separate Solaris servers and the WebLogic server had MQ Client and ETC >> installed. They run XA transactions successfully and I never created > an >> XA Switch file. >> >> To my knowledge, you only need the XA Switch file for procedural >> languages. >> >> >> Regards, >> Roger Lacroix >> Capitalware Inc. >> http://www.capitalware.biz >> >> >> On Thu, 6 Sep 2007 09:34:44 -0400, "Heggie, Peter" >> <[EMAIL PROTECTED]> wrote: >>> Hi Roger, >>> >>> Sorry to be a middle man, and I must admit to not knowing much about >> the >>> subject, but here is the response I got from the developer. I do want >> to >>> know more about the (XA) requirements. >>> >>> "XA transaction can be used only when we connect in MQSeries binding >>> mode and run the java code on the same machine >>> as the MQ Server because it requires all the files(including the >> switch >>> files) that are installed with the server. >>> >>> ETC is used if we connect in MQSeries client mode. (XA transactions >>> cannot be executed using client mode without ETC) This product needs >> to >>> be installed on client machine." >>> >>> We have not purchased the extended client with transaction support. >>> >>> Peter >>> >>> -----Original Message----- >>> From: MQSeries List [mailto:[EMAIL PROTECTED] On >>> Behalf Of Roger Lacroix >>> Sent: Wednesday, September 05, 2007 5:03 PM >>> To: [email protected] >>> Subject: Re: XA Switch file for MQ and C compiler >>> >>> Hi Peter, >>> >>> I'm a little confused. >>> >>> You need an XA Switch file for MQ and C compiler development, yes, >> this >>> is true. >>> >>> For Java MQ and XA transactions, you do not need an XA Switch file > but >>> rather you need ETC and a transaction coordinator (i.e. WAS, WebLogic >> or >>> Encina). >>> >>> How or within what are you running the Java code? Are you running it >> in >>> a J2EE container? >>> >>> >>> Regards, >>> Roger Lacroix >>> Capitalware Inc. >>> http://www.capitalware.biz >>> >>> >>> On Wed, 5 Sep 2007 15:53:02 -0400, "Heggie, Peter" >>> <[EMAIL PROTECTED]> wrote: >>>> Hello all, >>>> >>>> Our developer is attempting to write Java code that calls Oracle AQ >>> and >>>> MQ Java in the same XA transaction. We seem to be stuck on creating >>> this >>>> 'switch' file. I think I understand its purpose - to provide runtime >>>> access to the proper libraries, functions and options that support >>> these >>>> calls. We are running on AIX with Oracle 10.2 and MQ 6.0. The make >>> file >>>> wants a C compiler (xlc -r), but we don't have that installed. Is >> this >>>> the Visual Age C compiler? I'm thinking that the swtich file is not >>> that >>>> complicated and that another C compiler could be used, like gnu. Am > I >>>> correct? I have found some references to this file on mqseries.net >> and >>>> elsewhere, but I'm not a C or Java programmer, so I'm still puzzled. >>>> >>>> Thank you, >>>> Peter Heggie >>>> >>>> >>>> **** For your information: KeySpan is now part of National Grid.**** > >>>> >>>> >>>> >>> >> > ************************************************************************ >>> ******** >>>> This e-mail and any files transmitted with it, are confidential to >>>> National Grid and are intended solely for the use of the individual >> or >>>> entity to whom they are addressed. 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