Using WebLogic JRockit 8.1 SDK

Introduction to BEA WebLogic JRockit 8.1 SDK

What is JRockit?

About the SDK

Why Should I Use JRockit?

What Platforms Does JRockit Support?

32-bit Platform Support

64-bit Platform Support

JRockit 8.1 SDK Support

If WebLogic JRockit JVM Crashes

Using JRockit 8.1 SDK Documentation

Printing These Documents

Understanding Documentation Conventions

Understanding WebLogic JRockit SDK

The BEA WebLogic JRockit Management Console

Code Generation and Optimization

Memory Management (Garbage Collection)

Threads

Starting and Configuring WebLogic JRockit JVM

Before Starting WebLogic JRockit

Starting WebLogic JRockit

Sample Start-up Command

Configuring WebLogic JRockit

Using Standard Options

Setting General Information

Providing Information to the User

Using Non-standard Options

Setting Behavioral Options

Displaying Logging Information

Preventing WebLogic JRockit JVM (When Run as a Service) from Shutting Down After Receiving a Logoff Event

Attaching a Debugger to a Process

Enabling Core Dumps on Linux

Selecting and Running a Memory Management System

Memory Management Terminology

WebLogic JRockit JVM Garbage Collectors

Generational Copying

Concurrent Garbage Collectors

Single Spaced Concurrent

Generational Concurrent

Parallel

Starting a Garbage Collector

Choosing a Garbage Collection Method

Pros and Cons

Garbage Collector Selection Matrix

Tuning for Garbage Collection

Viewing Garbage Collection Activity

Selecting and Running a Thread System

Native Threads

Thin Threads

Starting the Thread System

Choosing a Thread System

Pros and Cons

Thread System Selection Matrix

Using the WebLogic JRockit Management Console

Console Overhead

Starting the Console

Enable the Management Server

Start the JRockit Management Console

Starting the Management Server with a Security Manager

Set the Port

Change the Number of Connections

Parts of the Console

Setting Up the Console

Making Connections

Creating a New Folder

Creating a New Connection

Connecting a Connection to WebLogic JRockit JVM

Disconnecting a Connection from WebLogic JRockit JVM

Renaming a Connection or Folder

Removing a Connection or Folder

Hiding Disconnected Connections

Enabling Console Settings

Setting the Operation Mode

Setting Other Preferences

Customizing the Display

Using the Settings File

Using the Console

Information Tabs

Overview Tab

Memory Tab

Processor Tab

System Tab

Notification Tab

View Historical Data

Using Advanced Features of the Console

View Thread Stack Dump

Method Profiling Tab

Exception Counting Tab

Closing the Console

Using WebLogic JRockit JVM with Other WebLogic Applications

Using WebLogic JRockit JVM with BEA WebLogic Server

Certified Versions

Verifying that WebLogic JRockit is Your JVM

Starting JRockit from the Node Manager

Enabling the Management Server from the Node Manager

Setting Options by Using the Node Manager

Tuning WebLogic JRockit for WebLogic Server

Monitoring WebLogic JRockit JVM from WebLogic Server

Running JRockit with Thin Threads on WebLogic Server

Switching to WebLogic JRockit JVM in WebLogic Server

Switching VMs When WebLogic Server is Running as a Service

Configuring JRockit for BEA WebLogic Workshop

What's in the WebLogic JRockit 8.1 SDK?

SDK Contents

Development Tools

Runtime Environment

Additional Libraries

C Header Files

The Management Console

File Differences Between WebLogic JRockit 8.1 SDK and Sun HotSpot SDK

Adding Custom Notification Actions and Constraints

Locating consolesettings.xml

Creating a Custom Action

Creating and Implementing an Action: Example

Create the Action (Step 2)

Implementing handleNotificationEvent() (Step 3)

Creating the Action Editor (Step 4)

Implementing the Abstract Methods (Step 5)

Adding the New Action to the Deployment Entries (Step 6)

Displaying the New Action Editor (Steps 7 and 8)

Creating a Custom Constraint