[JBoss Seam] - Re: Excel support in Seam: any interest?
by mjek2
Hi all,
thank you very much for all your feedback. The number of posts shows that many people would like to have excel integration.
anonymous wrote :
| What I would wish is a tag lib which really produces genuine excel files - including formulas, cell types, number formats. It would be ideal if one could use an original excel file as a "template". Then one would add pivot tables and nice little graphs to the tamplate, the user could specify some filters and aggragation levels and then the pivot data would be copied to the excel file.
|
Very interesting idea, and I think it would be possible with JExcel (but needs some additional config, e.g. where to store templates to use)
anonymous wrote :
| Sure MS Office is widely spread but ODF is an international industry standard that is supported by a wide variety of applications (like OpenOffice) and doesn't lock you in with a file format thats just a pain in the ass if one doesn't use it with MS Office on MS Windows.
|
I can only partially agree with it: sure, excel is proprietary, but it's a de-facto standard, whether we like it or not (and yes, I use OpenOffice too ;). And AFAIK OpenDocument file format is rather complex (and JExcel is rather simple and hence can be integrated faster). But in future one could certainly think about ODF as well.
anonymous wrote :
| Btw, does JExcel also work in non-windows OSes?
|
JExcel generates xls file format (not csv), so if your browser can handle application/msexcel MIME type it should work in non-windows as well.
anonymous wrote :
| I think Excel support is a great idea. How about something like this
|
| http://displaytag.sourceforge.net/10/export.html
|
Interesting, but at first sight it seems to me to be more export than reporting functionality, i.e. it exports the exact content of your dataTable. OTOH reporting is something dynamic, report data can be produced by some business logic components without a need to be rendered as a dataTable. But I will look at this more detailed, thank you for the link!
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17Â years, 10Â months
[Clustering/JBoss] - Lookup SLSB from external war
by qjafcunuas
Hi,
I'm using Jboss 4.0.2.
My application 's fine with default jboss configuration.
I'm trying to put my application in the all jboss configuration for clustering environment.
I've got an ear file with ejb and servlet, packaging into jar and war inside the ear. All is ok with this ear : servlets find ejb with local access and can work with it..
If i tried to lookup (remote) the ejb from an external application on another computer, my application find the ejb and can work with it.
I've got another war file deployed on the same server as the ear file, in the farm directory too. My jsp files in this war loopkup (remote) the ejb, but throw an exception when ejb create method on EJBHome interface is called : EJBException: Invalid invocation, check your deployment packaging.
I've made this modification in my ear file for clustering in the jboss.xml :
true
<cluster-config>
<partition-name>DefaultPartition</partition-name>
<home-load-balance-policy>
org.jboss.ha.framework.interfaces.RoundRobin
</home-load-balance-policy>
<bean-load-balance-policy>
org.jboss.ha.framework.interfaces.RoundRobin
</bean-load-balance-policy>
</cluster-config>
and the server is started with options : -c all -b 192.168.65.9
I've tried too this, without success :
Properties p = new Properties();
p.put(Context.INITIAL_CONTEXT_FACTORY,
"org.jnp.interfaces.NamingContextFactory");
p.put(Context.URL_PKG_PREFIXES, "jboss.naming:org.jnp.interfaces");
p.put(Context.PROVIDER_URL, "localhost:1100");
return new InitialContext(p);
Can somebody help me to find why my external war cannot access my ear's ejb on the same farm server ?
tia.
Bruno
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17Â years, 10Â months