Anu, 1) I am not using web services, so I can't help with this one.
2) The JBoss business model is that you have to PAY for support and for training. In my case the cost is prohibitive for both, so I am on my own. This is the main reason I wish the JBoss documentation was a LOT better. 3) I am using CMP 2.0 entity beans for ALL of my database interaction. CMP 2.0 is a beautiful thing, since I just have to write some very simple SQL in the deployment descriptors. But the tradeoff is less control. My understanding is that JDBC or JDO could provide more control, at the expense of code complexity. I am very pleased with CMP 2.0. You can control JBoss interaction with the database to some extent, depending on your technical requirements, by specifying loading parameters in your deployment descriptors. As I understand it, by default JBoss retrieves the key values for each query and the goes back and retrieves the actual rows of data later, one by one, as required. However, you can tune this behavior. JBoss supports: - load groups (which columns are read) - read-ahead - on-find and on-load (which rows are read in a single request) - various commit options that determine whether how data can be cached (depending on whether JBoss has control over ALL database updates) - transaction options - locking options 4) If you are referring to dynamic loading of EAR files (including WAR and JAR files), this seems to be one of the BEST features of JBoss. Just drop a new EAR file in the JBoss server's deploy directory and it will be deployed automatically. This works great. I haven't used the other major EJB containers, but I understand they don't have this feature. Hugh At 04:09 PM 6/21/2004, you wrote: >Thanks a lot to Phillip Rhodes and Hugh Allen for their invaluable insights. Please >do comment on the following questions regarding JBoss 3.2.x > >1. Easy implementation of Web Services >2. Quality of technical response/support >3. Efficient CMP communication with selected database (i.e. is the SQL optimized >prior to submission or is there lots of interaction with the database ) >4. Dynamic loading of new files > >Thanks in advance > >Anu > > >Hugh Allen <[EMAIL PROTECTED]> wrote: > >>I have been using JBoss for less than a year, so I am no expert. The learning curve >>is pretty steep for both J2EE and JBoss. >> >>Phillip Rhodes replied separately to your email, and I generally agree with his >>comments. >> >>1) I believe JBoss supports all of the important parts of J2EE, and each release has >>more functionality. It has everything I need, and the price is right. >> >>2) I haven't used load balancing or clusters. >> >>3) The JBoss forums have a lot of information. By contrast, the documentation, which >>costs $10, is not particularly good. It explains a lot about how JBoss works >>internally, particularly the JMX aspects, but it is not very readable and does not >>contain a lot of "how to" information that is useful for new developers. >> >>Since it is open source, it always seems like the JBoss folks actually expect you to >>read the source code to answer your questions. After all, that's what THEY do. I >>have had to do this on at least one occasion, and it's not a great way of figuring >>out what is going on. >> >>4) The JMX console is not very intuitive. The best source of information to figure >>out what is going on in the server is the log files. >> >>5) I can't provide any real details on database connection pooling. I am using MySQL >>with InnoDB tables and performance seems pretty good, but I don't yet have much load >>on my current applications. >> >>6) I have two Linux web servers running JBoss - both located in the same data center >>in New York state. >> >>The test web server is running Red Hat 9 with User Mode Linux, where the machined is >>partitioned to support around 20 customers. (See www.rimuhosting.com) Originally, my >>partition had 128MB of RAM to support Linux, JBoss, Jetty, Apache, and MySQL. I was >>getting constant out of memory errors. Increasing this to 192MB RAM solved the >>problem, but this machine is pretty slow, as you might expect. >> >>Just set up a new dedicated server running White Box Enterprise Linux 3 with 1GB >>RAM. This machine is not currently running Apache or Jetty - it uses the embedded >>JBoss/TomCat instead. This configuration is much faster and response times are quite >>good. >> >>Regards, Hugh >> >>At 01:16 PM 6/21/2004, [EMAIL PROTECTED] wrote: >> >>>Hi >>> >>>I have a couple of questions related to JBOSS 3.2.x. >>> >>>1. Does JBOSS 3.2.x support J2EE 1.3 fully? >>>2. Is it easy to configure additional load balancing servers? >>>3. Good Usenet group support? >>>4. Does it provides application monitoring tool? >>>5. How efficient is database connection pooling? >>>6. Required CPU and RAM? >>> >>>Thanks in advance >>> >>>Anu >>> >>>__________________________________________________________________ >>>Introducing the New Netscape Internet Service. >>>Only $9.95 a month -- Sign up today at http://isp.netscape.com/register >>> >>>Netscape. Just the Net You Need. >>> >>>New! 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