[jboss-user] [Clustering/JBoss] - Re: HA-JNDI and JNDI for cluster access

[timjer]

"bstansberry at jboss.com" wrote : To continue your use case beyond what you wrote to include actual use of the context:
  | 
  | Object foo = context.lookup("Foo");
  | 
  | .... then server context has connected to fails or is shut down
  | 
  | Object bar = context.lookup("Bar");
  | 
  | 1) With case2, the lookup of "Bar" will succeed; with case1 it will not. The case2 client side naming proxy includes clustering behavior that supports transparent failover.
  | 
  | 2) In the above example, with case2 the lookups will be load balanced to the available servers; in case 1 they will all go to server1.
  | 
  | Hmm? you mean in case1 only server1 aktiv? server2 and server3 will be ignored?
  |  there is not difference betwenn
  | props.put("java.naming.provider.url", "server1:1099,server2:1099,server3:1099"); 
  | and
  | props.put("java.naming.provider.url", "server1:1099,"); 
  | or sorry i don`t understand :-)
  | 
  | 
  | 
  | 3) If "Foo" were only bound in JNDI on server2, the lookup of Foo will fail in case1; with case2 the server-side HA-JNDI service on whatever server the client connects to will transparently find Foo and return it.

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