sorry for my bad grammar, correction: Since you are restricted on using static fields ... --- PiFen Ellwood <[EMAIL PROTECTED]> wrote: > Actually, you need to be very careful about using > Singletons in the J2EE application. > > 1. Since you are restricted to use static fields in > your EJB, you may need to find other ways to > stimulate > the Sigleton pattern. One of the recommanded way is > via JNDI according to Ed Roman's book. In addition, > I > had experience on using Sigleton pattern in my > servlet > to cached the reference on my RMI server in WebLogic > web server environment which cause "..not in object > table" exception everytime my RMI server happended > to > reset. > > 2. Clustering is indeed a valid architecture concern > which often get ignored or postponded in the latter > stage of the application design. When we talk about > clustering, there are separate aspect need to take > into consideration: http request/http session and > ejb > clustering which implies JVM afinities issues. I > would > really like to hear from people with experience to > give us some pointers or use this as start point to > discuss different design issues, consideration, or > best practice on this topic. > > > --- "Christian Bollmeyer (GMX)" <[EMAIL PROTECTED]> > wrote: > > Am Samstag, 18. Januar 2003 03:59 schrieb Sajag > > Patel: > > > > When coding for clustered applications, generally > > keep > > special heed of Singletons in your app. Apart from > > that, clustering capability heavily depends on > your > > app's architecture in the first place and IMHO is > a > > topic too complex to be laid out here in detail. > > > > HTH, > > > > -- Chris (SCPJ2) > > > > > I was wondering if anyone knew of any special > > coding technique or changes > > > that need to be made > > > to run an application on an clustered iplanet > > application servers. Any > > > feedback would be helpful. > > > Thanks. > > > > > > > > > > > > Sajag > > > > > ==========================================================================To > > unsubscribe: mailto [EMAIL PROTECTED] with > body: > > "signoff JSP-INTEREST". > > For digest: mailto [EMAIL PROTECTED] with > body: > > "set JSP-INTEREST DIGEST". > > > > Some relevant archives, FAQs and Forums on JSPs > can > > be found at: > > > > http://java.sun.com/products/jsp > > http://archives.java.sun.com/jsp-interest.html > > http://forums.java.sun.com > > http://www.jspinsider.com > > > ===== > PiFen Ellwood > > __________________________________________________ > Do you Yahoo!? > Yahoo! Mail Plus - Powerful. Affordable. Sign up > now. > http://mailplus.yahoo.com > > =========================================================================== > To unsubscribe: mailto [EMAIL PROTECTED] with > body: "signoff JSP-INTEREST". > For digest: mailto [EMAIL PROTECTED] with body: > "set JSP-INTEREST DIGEST". > > Some relevant archives, FAQs and Forums on JSPs can > be found at: > > http://java.sun.com/products/jsp > http://archives.java.sun.com/jsp-interest.html > http://forums.java.sun.com > http://www.jspinsider.com
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