Oracle WebLogic Server 11g: Diagnostics and Troubleshooting

Duration: 4 Days


What you will learn


WebLogic Server offers a seemingly endless list of capabilities for hosting enterprise services and applications. However, with this complexity come opportunities for problems, both while testing and in production. Luckily, WebLogic Server includes a wealth of tools to help monitor, profile and troubleshoot its various subsystems. The WebLogic Diagnostics Framework (WLDF), the WebLogic Scripting Tool (WLST) and JRockit Mission Control are three such tools.

This course helps experienced Oracle WebLogic Server administrators identify typical problems and trains them on the appropriate methodology and tools for solving each problem. As part of this process, students gain a rich knowledge of WebLogic's internal subsystems, including work managers, JDBC, JMS, security, SSL and clusters.

An appendix is included covering the differences between the 11g (10.3.3) and 12c (12.1.1) product versions with regard to Oracle WebLogic Server administration topics.

Learn To:


  • Develop custom scripts to monitor servers
  • Use the capabilities of the WebLogic diagnostics framework
  • Interpret log messages for WebLogic subsystems
  • Monitor and analyze virtual machine statistics
  • Troubleshoot security and cluster issues
  • Troubleshoot JDBC and JMS problems

A Live Virtual Class (LVC) is exclusively for registered students; unregistered individuals may not view an LVC at any time. Registered students must view the class from the country listed in the registration form. Unauthorized recording, copying, or transmission of LVC content may not be made.

Audience


Administrator
Java EE Developer
Security Administrators
Support Engineer
Technical Administrator
Web Administrator

Related Training


Required Prerequisites
Experience with Oracle WebLogic Server
Experience with basic Linux administration and shell commands
Oracle WebLogic Server 11g: Administration Essentials

Suggested Prerequisites
Oracle WebLogic Server 11g: Advanced Administration

Course Objectives


  • Troubleshoot virtual machine, application server and cluster issues
  • Troubleshoot JDBC, JMS and SSL problems
  • Troubleshoot the WebLogic security realm
  • Troubleshoot the WebLogic node manager
  • Explain the capabilities of the WebLogic diagnostics framework
  • Analyze a domain configuration using Guardian
  • Monitor servers using the WebLogic scripting tool
  • Configure and interpret verbose logging for WebLogic subsystems
  • Configure diagnostic collectors and notifications
  • Associate diagnostic monitors with custom applications
  • Monitor and analyze resource utilization with JRockit Mission Control

Course Topics


1.WLST Monitoring

  • MBean Hierarchies
  • Jython Syntax
  • WLST Commands

2.Guardian

  • Agents
  • Signatures
  • Evaluations

3.Diagnostic Framework Essentials

  • Diagnostic Images
  • Diagnostic Archives
  • Metric Collectors
  • Watches
  • Notifications
  • Console Extension
  • Debug Scopes

4.Diagnostic Instrumentation

  • Monitors
  • Actions
  • Deployment Plans
  • Pointcuts
  • Request Tracking
  • Context ID
  • Dyes

5.JVM Diagnostics

  • Memory Management
  • Garbage Collection
  • Memory Leaks
  • Thread Dumps
  • JVisualVM
  • JRockit Mission Control
  • Runtime Analyzer
  • Memory Leak Detector

6.Troubleshooting Java Applications

  • Classpath Errors
  • Class Loaders
  • Common Java Errors

7.Troubleshooting Servers

  • Native Libraries
  • Threading Architecture
  • Work Managers
  • Deadlocks
  • Overload Protection
  • Deployment Problems

8.Troubleshooting JDBC

  • Data Source Management
  • Diagnostics
  • Debug Flags
  • Connectivity Problems
  • Connection Leaks
  • Database Availability

9.Troubleshooting JMS

  • Management
  • MBean Hierarchy
  • Message Logging
  • Diagnostics
  • Debug Flags
  • Overload Protection
  • Lost Messages
  • Duplicate Messages

10.Troubleshooting Security

  • SSL Internals
  • Keystore Management
  • Debug Flags
  • Common SSL Problems
  • Certificate Validation
  • Embedded LDAP
  • Security Audit
  • Common LDAP Problems

11.Troubleshooting Node Manager

  • Internals
  • Security
  • Common Issues

12.Troubleshooting Clusters

  • Plug-in Configuration
  • OHS Overview
  • Plug-in Connectivity
  • Plug-in Diagnostics
  • Unicast Communication
  • Replication Debug Flags
  • Typical Replication Issues
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