[jboss-user] [JNDI/Naming/Network] - Intermittent java.rmi.ConnectException

[doktora]

I know there have been a million posts about these kind of errors but mine seems to happen intermittently which is still quite unacceptable for a production environment.

This happens about half a dozen times a day. Where do I even begin to look?

My setup:

Box A: IP A.A.A.A with Jboss 4.2.1 on Linux 

Box B: IP B.B.B.B with Tomcat 5.5.25 on Linux

Tomcat on Box B is started with:
-Djava.naming.provider.url=jnp://box1:1099  -Djava.naming.factory.initial=org.jnp.interfaces.NamingContextFactory -Djava.naming.factory.url.pkgs=org.jboss.naming:org.jnp.interfaces

and in /etc/hosts box1 is mapped to A.A.A.A


The details of the exception:

Tools::lookup() -> Could not discover class <MYCLASS>
  | javax.naming.CommunicationException [Root exception is java.rmi.ConnectException: Connection refused to host: A.A.A.A; nested exception is:
  |   java.net.ConnectException: Connection timed out]
  |   at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:724)
  |   at org.jnp.interfaces.NamingContext.lookup(NamingContext.java:589)
  |   at javax.naming.InitialContext.lookup(InitialContext.java:351)
  |   at Tools.lookup(Tools.java:17)
  |   ...

Many thanks for any ideas!
(pls don't mention firewalls. it's not that!)

dok

P.S. Tools::lookup() does a simple InitalContext.lookup(classname).



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