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9 Node Manager Copyright © 2016, Oracle and/or its affiliates. All rights reserved. Innocent Matinya ([email protected]ฺcom) has a non-transferable license to use this Student Guideฺ Unauthorized reproduction or distribution prohibitedฺ Copyright© 2019, Oracle and/or its affiliatesฺ
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Objectives After completing this lesson, you should be able to: Configure WebLogic Server machines Set up and configure Node Manager Start managed servers through Node Manager Copyright © 2016, Oracle and/or its affiliates. All rights reserved. Oracle WebLogic Server 12 c : Administration I 9 - 2 Innocent Matinya ([email protected]ฺcom) has a non-transferable license to use this Student Guideฺ Unauthorized reproduction or distribution prohibitedฺ Copyright© 2019, Oracle and/or its affiliatesฺ
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Node Manager Node Manager is a WebLogic Server utility that: Can remotely start and stop the administration server or managed servers Can monitor the health of an instance of WebLogic Server and t ti ll t t it if it f il automatically restart it if it fails Runs as a separate process on the same machines as instances of WebLogic Server Is available as either a Java-based or a script-based process (for UNIX or Linux) Can be set up as an operating system service to start automatically when a system is rebooted Instances of WebLogic Server are often distributed across multiple domains, machines, and geographic locations. Node Manager is a WebLogic Server utility that enables you to start, shut down, and restart the administration server or managed servers from a remote location. Copyright © 2016, Oracle and/or its affiliates. All rights reserved. Although Node Manager is optional, it is recommended if your WebLogic Server environment hosts applications with high availability requirements. If Node Manager starts an instance of WebLogic Server and that instance fails, Node Manager can automatically restart it. Node Manager can restart only a failed server that it started. This restart feature is configurable. Node Manager's default behavior is to: Automatically restart WebLogic Server instances under its control that fail. You can disable this feature disable this feature. Restart failed server instances no more than a specific number of times. You define the number of restart tries. If Node Manager fails or is explicitly shut down, upon restart, it determines which WebLogic Server instances were under its control when it exited. Node Manager can then restart any failed server instances if need be. To control instances of WebLogic Server on a particular machine through Node Manager To control instances of WebLogic Server on a particular machine through Node Manager, there must be a Node Manager process running on that machine.
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