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Configuring and Managing WebLogic Server 3-1
CHAPTER
3 Overview of Node
Manager
The Managed Servers in a production WebLogic Server environment are often
distributed across multiple machines and geographic locations.
Node Manager is a stand-alone Java utility, provided with WebLogic Server, that
allows you to perform common operations tasks for a Managed Server, regardless of
its location with respect to its Administration Server. If you run Node Manager on a
machine that hosts Managed Servers, you can start and stop the Managed Servers
remotely. Node Manager can also automatically restart a Managed Server after an
unexpected failure.
The following sections describe Node Manager, its capabilities, and how it fits into a
WebLogic Server environment.
! “Introduction to Node Manager” on page 3-1
! “Node Manager Architecture and Environment” on page 3-2
! “Node Manager Capabilities” on page 3-5
For instructions on how to configure and use Node Manager, see “Configuring,
Starting, and Stopping Node Manager” on page 4-1.
Introduction to Node Manager
Node Manager enables you to perform these tasks:
- WebLogic 1
- Restricted Rights Legend 2
- Trademarks or Service Marks 2
- Version 8.1 3
- Contents 4
- 3. Overview of Node Manager 6
- 6. Server Lifecycle 7
- 10. Recovering Failed Servers 9
- About This Document 12
- Audience 13
- How to Print the Document 13
- Related Information 14
- Contact Us! 14
- Documentation Conventions 15
- Convention Usage 16
- 1 Overview of WebLogic 18
- WebLogic Server Domains 19
- Failover for Managed Servers 24
- System Administration Console 25
- System Administration Tools 26
- Command-Line Interface 26
- Configuration Wizard 28
- Java Utilities 28
- Node Manager 28
- ! Logging 29
- Editing config.xml 30
- Clusters 31
- Machines 32
- Network Channels 32
- WebLogic Messaging Bridge 33
- Applications 34
- Startup and Shutdown Classes 36
- Transactions 36
- Security 37
- WebLogic Tuxedo Connector 38
- ! Apache 40
- Monitoring 41
- Licenses 42
- 2 Overview of WebLogic 44
- Contents of a Domain 45
- What Is a Domain? 46
- Common Domain Types 49
- Domain Restrictions 50
- Domain Directories Structure 51
- 3 Overview of Node 56
- 3 Overview of Node Manager 57
- Node Manager Clients 59
- Node Manager Capabilities 60
- Node Manager Uses SSL 60
- Start Managed Servers 60
- 4 Configuring, Starting 64
- Default Configuration 65
- Configuration Checklist 65
- Configuring Node Manager 66
- Reconfigure Startup Service 67
- Update nodemanager.properties 67
- Node Manager Properties 73
- Property 74
- Description Default 74
- Stopping Node Manager 75
- Troubleshooting Node Manager 76
- Managed Server Log Files 76
- Node Manager Log Files 77
- Correcting Common Problems 77
- 5 Setting Up a WebLogic 82
- Setting Up a Windows Service 83
- " -depend: service_names 85
- Verifying the Setup 86
- →Settings→Control Panel 87
- Windows Service 88
- (beasvc.exe) 89
- Run the script 91
- WebLogic Server States 94
- Getting Server State 94
- Understanding Server State 95
- Lifecycle Commands 100
- Graceful Shutdown 100
- 6 Server Lifecycle 101
- Forced Shutdown 104
- 7 Configuring WebLogic 106
- Overview 107
- HTTP Parameters 107
- Configuring the Listen Port 109
- Web Applications 110
- Configuring Virtual Hosting 112
- Setting Up a Virtual Host 114
- Requests 115
- →Files tab 116
- Log Rotation 119
- Common Log Format 119
- Setting Up HTTP Access Logs 120
- Creating the Fields Directive 121
- Supported Field identifiers 121
- Tunneling 128
- (Windows Only) 130
- 8 Protecting System 132
- Default Group Associations 134
- Protected User Interfaces 135
- Resources 136
- Resources and Policies 137
- Working with Policies 138
- RUNNING state, the policy 140
- 9 Monitoring a WebLogic 142
- Server Self-Health Monitoring 143
- Messages and Log Files 144
- Domain Monitoring Pages 146
- Server Monitoring Pages 147
- →Server→Remote Start 150
- →View Server output 150
- →View Server error output 150
- Clusters Monitoring Pages 151
- Machines Monitoring Pages 152
- Deployments Monitoring Pages 153
- →Monitoring→Web 154
- →Monitoring→ 154
- →Sessions 154
- Services Monitoring Pages 155
- JMS Queues 156
- 10Recovering Failed 158
- 10 Recovering Failed Servers 159
- ! SerializedSystemIni.dat 160
- Backing up config.xml 163
- Backing Up Security Data 165
- Restarting Managed Servers 169
- " msi-config.xml 170
- " boot.properties 170
- 11 Configuring Network 172
- Configuring Network Resources 173
- What is a Channel? 174
- Why Use Network Channels? 175
- ServerMBean 176
- Handling Channel Failures 177
- The Default Network Channel 178
- Administrative Channel 178
- Configure Administration Port 180
- Configuring a Channel 181
- A Starting and Stopping 184
- A Managed Server that you 186
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