[JBossCache] - Behaviour of the cache in case of a node failure
by lucdewav
Hi,
I have a newbie question. I'd like to know how the Pojo cache (1.4.1) behaves in case of failure of a node in a 2 nodes cluster.
Our Pojo cache is configured to perform synchronous replication and to be transactional (the JTA transaction manager of our application server is used).
When a node is down and we call transactional methods that update objects in the cache, everything works fine without any error.
So i guess there's a node state detection implemented as a multicast heartbeat or something equivalent. But:
- what would be the behavior if an update of a cached object is done on a node and at the same time the other node crashes or can not be accessed ? Reading the docs it says that an exception is thrown (of which type ?)
and the transaction is rolled back.
- How does Jboss cache make the difference between a shutdown node and node that can not be reached (synchronisation can not be performed) due to network failure or a Jvm freeze ?
Thanks in advance.
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19 years, 3 months
[JBoss jBPM] - Re: Beta3, packaging issues
by alex.guizar＠jboss.com
Hi,
Right after posting Beta3 I downloaded it and verified everything worked as specified in the user guide.
Beta3 changed the layout of the distribution to be consistent with jBPM jPDL 3.2 (currently in beta status as well). Our new organization makes a difference between the development and the distribution layouts, for production reasons.
I guess the build files you refer to are the scripts to rebuild the libraries. These are effectively missing from the distribution. If you want to work with them you might want to check out the project from CVS instead. Alternatively, I could provide a script to rebuild jbpm-bpel.jar from the sources in the distribution. Let me know how you want to proceed.
Best,
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19 years, 3 months
[JBoss Seam] - SEAM-GEN: Feature Recommendations
by awesomejt
Seam Folks:
I got the seam gen tools working great for my needs. However, I do have a few recommendations:
1. Can the setup command take an extra parameter to keep different build.properties files -- I actually work on more than one application. My current workaround is to save the working build.properties file as projectname.build.properties and rename it when I need to gen more stuff.
2. Can you create a filter or property setting that allow me to specify which tables I want included in the data model extraction? Not all my tables are or should be editable.
3. There seems to be a bug with some data types in Oracle.
4. EntityManager isn't created (or accessible) with the new-entity command.
5. Can you make a property to control whether to use xhtml or jspx/jsf style views?
6. Property controlling various paths (src, libs, etc) would be nice. Yeah, I know I can screw with the build.xml generated, but the option would be nice.
7. Entity/Form creation -- allow for input of methods to go ahead and stub in. I guess that would be more difficult since you would need to know data types
8. Single/additional entity/form extraction from data model would be neat -- right now there is all or nothing. :-)
That's it for now. It would be way cool to eventually make a GUI version/option or Eclipse plugin that provides more features than is practical at the command prompt.
Thanks for a great tool. Certainly helps jump start my Seam app development!
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19 years, 3 months