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From Siqi Du <>
Subject A confused scenario : a non-existent EJB node also can run?
Date Tue, 01 Sep 2009 09:02:07 GMT
Thanks for your review. Here I need to monitor the ejb nodes, so I try this

            Properties props = new Properties();

            props.setProperty(Context.PROVIDER_URL, "ejbd://" + ip + ":"
+ port);
            props.setProperty(Context.SECURITY_PRINCIPAL, userName);
            props.setProperty(Context.SECURITY_CREDENTIALS, password);
            Context ctx = new InitialContext(props);

Firstly, I tried a wrong ip. Yes, I got the expected exception.
Secondly, I tried a right ip. It's OK, still right.
Thirdly, I tried the wrong ip again, it also ran well. Here I was confused
and looked into the code of  openejb and found something in
package org.apache.openejb.client.

In method Client.processRequest() the code always consider we are in a
clustering environment and put the only server in a ClusterMetaData.
But in the default connection strategy StickyConnectionStrategy, this part
of code will never run.

       if (locations.length == 0){
            return connect(server.getLocation());

I guess this code wants to deal with the non-clustering environment, is that
a conflict with Client.processRequest()?

Can we provide an api to connect to a non-clustering environment?
Or may there is a way already, please tell me. ^_^



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