November 2003
Intermediate to advanced
1488 pages
36h 35m
English
book
BEA WebLogic Server™ 8.1 Unleashed
by Mark Artiges, Gupreet Singh Bhasin, Bernard Ciconte, Malcolm Garland, Saranathan Govindarajan, James Huang, Subramanian Kovilmadam, Kunal Mittal, Paul J. Perrone, Tom Schwenk, Steve Steffen
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Failover Support for Clustered Services
There are two mechanisms through which WebLogic can detect server failures in a cluster:
Monitoring IP socket connections to a peer server
Sending and receiving heartbeat messages
Failure Detection Using IP Sockets Between Peer Server Instances
When a server connects to one of its peers in a cluster through an IP socket, WebLogic Server monitors errors on that socket. Should there be an unexpected closure, the peer server is marked as failed and all of its associated services are removed from the cluster-wide JNDI naming tree.
Failure Detection Using Regular Server Heartbeat Messages
If the clustered server instances are not using open sockets for peer-to-peer communication, failed servers can still be detected ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.