Read the RC3 release notes on how to isolate ears. xxxxxxxxxxxxxxxxxxxxxxxx Scott Stark Chief Technology Officer JBoss Group, LLC xxxxxxxxxxxxxxxxxxxxxxxx ----- Original Message ----- From: "Hunter Hillegas" <[EMAIL PROTECTED]> To: "JBoss Dev" <[EMAIL PROTECTED]>; "David Jencks" <[EMAIL PROTECTED]> Sent: Tuesday, May 21, 2002 10:09 AM Subject: [JBoss-dev] Re: [JBoss-user] Does JBoss3 have Problems Deploying Similar ejb-jars in Different EARs
> So if I have two different versions of my application, I have to use a > totally different packaging mechanism to get them both to deploy? > > Right now, this is what I have: > > EAR1 > EAR2 > > Both contain *similar* ejb-jars. The ejb-jars contain classes with the same > names and similar packaging, but different contents. Both EARs use different > ejb-names, different JNDI names, and different web app contexts. > > They are still conflicting, as JBoss only sees the first copy of the class > file that is deployed. > > So, just to be crystal clear, my choices are: > > 1. repackage ejb-jar, use different names for the classes, etc... > 2. run multiple copies of JBoss > > I don't like the first option since the ejb-jars are almost the same, and > one is just a CVS branch off the trunk. This would make diffing between the > two branches really hard. > > From the recent discussion on the dev list, running multiple copies seems to > still be a little problematic? Anyway, this is something I'm going to have > to do often since customers request modifications to our standard code-base > all the time. Each mod version will require another instance of JBoss? > > Was it Dain that suggested that there be a config switch for people who > don't need visibility between deployed EARs? I can see how that feature is > powerful and useful for some, I think making that optional would be a great > thing, since for people like me (and ISPs that could easily run into the > same problem), this is a tough problem to solve. > > Hunter > > > From: David Jencks <[EMAIL PROTECTED]> > > Reply-To: [EMAIL PROTECTED] > > Date: Thu, 16 May 2002 19:42:38 -0400 > > To: [EMAIL PROTECTED] > > Subject: Re: [JBoss-user] Does JBoss3 have Problems Deploying Similar ejb-jars > > in Different EARs > > > > On 2002.05.16 19:05:43 -0400 Hunter Hillegas wrote: > >> Whoah... Really? > > > > yup > >> > >> So I can't have two ejb-jars with classes that are named the same, in > >> different ears? > >> > >> Hmmmm... > >> > >> We have a content management system with EJBs that we need to deploy in > >> several different customer instance EARs. Are you saying we can't do that > >> without changing the classnames or packaging? > >> > >> For some reason I thought that each deployed EAR had its own namespace > >> and > >> you could do this... > >> > >> Did I misunderstand you? > > > > nope. > > > > You can have lots of copies of the same ejb class deployed under different > > ejb name and jndi names. Just be sure to only deploy one copy of the > > class. You might want to deploy the classes before any of the dd's, and > > separate all the dd's from any classes. > > > > You can't have 2 versions of the same class. They will interfere, as you > > discovered. > > > > Basically we decided that we would initially support visibility between > > deployment packages with hot-redeploy, since this is a feature previously > > unavailable anywhere as far as I know. Once this is thoroughly stable and > > well tested we will consider whether it is really advisable to have several > > of these sets of UnifiedClassLoaders at once in one vm. For now, you > > should run several jboss servers in different vms. > > > > david jencks > > > >> > >> Hunter > >> > >>> From: David Jencks <[EMAIL PROTECTED]> > >>> Reply-To: [EMAIL PROTECTED] > >>> Date: Thu, 16 May 2002 18:59:18 -0400 > >>> To: [EMAIL PROTECTED] > >>> Subject: Re: [JBoss-user] Does JBoss3 have Problems Deploying Similar > >> ejb-jars > >>> in Different EARs > >>> > >>> JBoss 3 doesnt' support having 2 classes with the same name, no matter > >> how > >>> you package them. It does support classes in one ear seeing the > >> classes in > >>> the other ear(s). > >>> > >>> david jencks > >>> > >>> On 2002.05.16 18:03:07 -0400 Hunter Hillegas wrote: > >>>> I'm trying to get this damn EAR to deploy and I started wondering if > >>>> JBoss3 > >>>> has trouble deploying an EAR if another EAR has a similar ejb-jar... > >>>> > >>>> Basically I have two versions of an ejb-jar. One has a bean with one > >>>> extra > >>>> CMP variable. > >>>> > >>>> The first archive deploys just fine. The second one deploys okay if > >> the > >>>> first is not deployed. If the first one is deployed and I try to > >> deploy > >>>> the > >>>> second then I get a message that the bean class doesn't contain an > >>>> accessor > >>>> for the extra variable that exists in the second ejb-jar... > >>>> > >>>> Any ideas? > >>>> > >>>> Hunter > >>>> > >>>> > >>>> _______________________________________________________________ > >>>> > >>>> Have big pipes? SourceForge.net is looking for download mirrors. We > >>>> supply > >>>> the hardware. You get the recognition. Email Us: > >>>> [EMAIL PROTECTED] > >>>> _______________________________________________ > >>>> JBoss-user mailing list > >>>> [EMAIL PROTECTED] > >>>> https://lists.sourceforge.net/lists/listinfo/jboss-user > >>>> > >>>> > >>> > >>> _______________________________________________________________ > >>> > >>> Have big pipes? SourceForge.net is looking for download mirrors. We > >> supply > >>> the hardware. You get the recognition. Email Us: > >> [EMAIL PROTECTED] > >>> _______________________________________________ > >>> JBoss-user mailing list > >>> [EMAIL PROTECTED] > >>> https://lists.sourceforge.net/lists/listinfo/jboss-user > >> > >> > >> _______________________________________________________________ > >> > >> Have big pipes? SourceForge.net is looking for download mirrors. We > >> supply > >> the hardware. You get the recognition. Email Us: > >> [EMAIL PROTECTED] > >> _______________________________________________ > >> JBoss-user mailing list > >> [EMAIL PROTECTED] > >> https://lists.sourceforge.net/lists/listinfo/jboss-user > >> > >> > > > > _______________________________________________________________ > > > > Have big pipes? SourceForge.net is looking for download mirrors. We supply > > the hardware. You get the recognition. Email Us: [EMAIL PROTECTED] > > _______________________________________________ > > JBoss-user mailing list > > [EMAIL PROTECTED] > > https://lists.sourceforge.net/lists/listinfo/jboss-user > > > _______________________________________________________________ > > Don't miss the 2002 Sprint PCS Application Developer's Conference > August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm > > _______________________________________________ > Jboss-development mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/jboss-development > _______________________________________________________________ Don't miss the 2002 Sprint PCS Application Developer's Conference August 25-28 in Las Vegas -- http://devcon.sprintpcs.com/adp/index.cfm _______________________________________________ Jboss-development mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/jboss-development
