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授課地點(diǎn)及時(shí)間

上課地點(diǎn)：【上海】：同濟(jì)大學(xué)(滬西)/新城金郡商務(wù)樓(11號(hào)線白銀路站) 【深圳分部】：電影大廈(地鐵一號(hào)線大劇院站)/深圳大學(xué)成教院【北京分部】：北京中山學(xué)院/福鑫大樓【南京分部】：金港大廈(和燕路) 【武漢分部】：佳源大廈（高新二路）【成都分部】：領(lǐng)館區(qū)1號(hào)（中和大道）【廣州分部】：廣糧大廈【西安分部】：協(xié)同大廈【沈陽分部】：沈陽理工大學(xué)/六宅臻品【鄭州分部】：鄭州大學(xué)/錦華大廈【石家莊分部】：河北科技大學(xué)/瑞景大廈
開班時(shí)間(連續(xù)班/晚班/周末班）：2020年3月16日

課時(shí)

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☆課程大綱☆

Introduction to Diagnostic Patterns
Overview of Patterns
What is a Pattern
Identifying Support Pattern Methodology
Why Use Support Patterns
Identifying Support Pattern Resources
Common Diagnostic Tools
JVM Management: Java SE 6.0 Monitoring and Management Architecture
Identifying Processes and Threads
Obtaining a Thread Dump Using WLS
Memory: Define Java Heap
Garbage Collection Review
Configuring JRockit Heap
Server Core Dump Pattern
Identifying Server Core Dump Pattern
Symptoms and Causes of a Server Core Dump
Identifying Why Core File is Not Produced
Investigating Causes of Server Core Dump
Overview of Investigation
Overview of Core File Tools
Overview of Standard Investigation Tools
Creating Troubleshooting Checklist
Generic Server Hang Pattern
Symptoms and Causes of a Server Hang
Investigation of Server Hang
Basic Investigation Steps
View the Execute Threads
Thread Dump on a Running Server
Analysis and Troubleshooting Investigation Results
Setting Server Thread Counts
Troubleshooting Strategy
Identifying High CPU Usage Pattern and Describing Resolution Steps
Identifying High CPU Usage Pattern
Review: Processes and Threads
Investigating High CPU Usage: On Solaris, Linux, and Windows OS
Analyzing the Server Instance to Determine What Threads are Causing the Issue
Using the Analyzed Information to Identify Areas Where Performance Tuning is Required
Analyzing and Diagnosing Out of Memory/Memory Leak Patterns
Review of General Memory Concepts: Java Heap, Native Memory, and Memory Leaks
Investigating Java Heap Out of Memory Errors
Review Garbage Collection and Object References
Symptoms, Causes, and Troubleshooting of Out of Memory in Java Heap
Investigating Out of Native Memory Conditions
Review: Process Size, Virtual vs. Physical Memory
Symptoms, Causes, and Troubleshooting of Native Out of Memory Conditions
Generic JDBC Pattern
Understanding Generic JDBC Pattern
Review: JDBC Database, Datasources, Connection Pool, and Statement Cache
Investigating JDBC Problems
Server Startup: Failed Pool Creation
Causes of Resource Exceptions
Overview of Insufficient Connections
Troubleshooting WebLogic Server Crashes
Troubleshooting WebLogic Server or Application Hangs and Memory Leaks
Troubleshooting Too Many Open Files Pattern
Symptoms, Causes, and Troubleshooting of Too Many Open Files Problem
Identifying a WebLogic System That Has Too Many Files Open
Using Available Tools to Determine Which Component Has Too Many Files Open and What the Files Are
Describing and Diagnosing Class Exception Patterns
Describing Class Cast Exception Pattern
Investigating Class Exceptions and Errors
Adding Application Code Diagnostics
Identifying Different Class Loaders
Describing Known WLS Issues
Understanding and Troubleshooting Class Casting Issues
Understanding and Troubleshooting Basic Class Loader Issues
Understanding Symptoms, Causes, and Tools to Troubleshoot Multicast Patterns
Reviewing a WebLogic Server Cluster and Clustered Server Communication
Describing Multicast Problems and Investigation
Configuration Errors and Physical Network Problems
Multicast Timeouts
Clustering Heartbeat Problems and Multicast Storms
Testing and Debugging Multicast Patterns
Discussing Some of the Potential Multicast Issues that Can Occur in a WebLogic Server Cluster
Understanding the Processes Involved in Identifying and Resolving the Issues
General Diagnostics for Proxy Plug-ins Pattern
Diagnosing and Troubleshooting Proxy Plug-ins Pattern
Gathering Plug-in Diagnostics
Switching on Debugging for the WebLogic Server Proxy
Knowing Where to Look in the WebLogic Server Console and Proxy Logs for Issues
Identifying, Investigating, and Diagnosing HTTP Session Replication Failures Pattern
Reviewing HTTP Session Replication Failures Pattern
Causes, Symptoms, and Examples of HTTP Session Replication Failure
Investigating HTTP Session Replication Failures
Gathering Diagnostics: Enable Debug
Understanding How the WebLogic Server Proxy Server Works with Respect to HTTP Session Replication and Failover
Discussing Various Aspects of HTTP Session Replication Configuration and Operation

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