Re: [jboss-as7-dev] purpose of jboss.node.name and how to set.

On 03/08/2012 06:21 AM, Wolf-Dieter Fink wrote: > I'm a bit confused about the purpose of 'node-name' and how to set it. The purpose is to have a unique identifier for a server. There are several libraries and frameworks which expect this. > I found out that the nodes name is required for UserTransaction and also > a notice: > > https://docs.jboss.org/author/display/AS71/Clustered+EJBs > If it's on the same machine, the two things you have to make sure is > that you pass the port offset for the second instance and also make sure > that each of the server instances have a unique jboss.node.name system > property Right. > ==== standalone ==== > In this mode the only way to set is to use '-Djboss.host.name='. > I try to use > <server name="MyNode" xmlns="urn:jboss:domain:1.1"> > OR > <system-properties> > <property name="jboss.node.name" value="MyNode"/> > </system-properties> > > but both won't work (I check with EJBClient.getUserTransaction( > node-name ) ) but get the error "No EJBReceiver available for node name > MyNode". Then this is a bug. You should be able to specify the node name in the name attribute of<server> and that's it. If that isn't working then there's a bug. > ==== domain ==== > I try to check whether the<server name=""> work and use also the > system-properties element inside each server. > But both attempts won't work (with EJBClient.getUtx). > The server name from the configuration is shown always by mgnmt console > and not reflect the system-properties setting, but the property inside > the application is set by the system-properties element. Same bug, probably. > ================== > > I'm confused because I expect that I can see the node name (as server > name) in the console and use the<server name=> also for > getUserTransaction. > > > > My Questions about: > - what is the purpose of node-name (except user identifier for console), > only a identifier for clustering? As above. It's an identifier for Remoting, clustering, and other subsystems. > - Should the node-name in mngmt console and the property jboss.node.name > get by an application getProperty the same? Yes. > - am I right that it a bug that the node-name in standalone.xml or > host.xml won't work for getUserTransaction and I should raise a JIRA? Yes. > - is it possible that other functions are affected by this? Yes.