WebSphere application server V6 problem determination for distributed platforms / Carla Sadtler et al.

Format:

Book

Author/Creator:

Sadtler, Carla.

Contributor:

Davitt, Simon.

Katikitala, Rana.

Pham, Thu-Giang.

Scott, Craig.

Titzler, David.

Venkatshaiah, Hari.

Voos, Javier.

Series:

IBM redbooks.

Redbooks

Language:

English

Subjects (All):

Client/server computing.

WebSphere.

Physical Description:

1 online resource (388 p.)

Edition:

1st ed.

Place of Publication:

Austin, TX : IBM, International Technical Support Organization, 2005.

Language Note:

English

Contents:

Front cover

Contents

Notices

Trademarks

Preface

The team that wrote this redbook

Become a published author

Comments welcome

Chapter 1. Approach to problem determination

1.1 Introduction to problem determination

1.1.1 Causes of problems

1.1.2 Types of problem symptoms

1.2 Preparing for and preventing problems

1.2.1 Applying WebSphere maintenance

1.2.2 Checking the prerequisites

1.2.3 Testing the application

1.2.4 Setting up a test environment

1.2.5 Establishing safe operational procedures

1.2.6 High availability and failover

1.2.7 Monitoring

1.2.8 System documentation

1.2.9 Diagnostic data collection

1.3 What to do when a problem occurs

1.3.1 Revert to safe conditions

1.3.2 Identify problem symptoms

1.3.3 Investigate and research the problem

1.3.4 Problem determination strategies

1.4 Classify the problem and determine the root cause

1.4.1 Installation or migration

1.4.2 Application packaging and deployment

1.4.3 System management and configuration

1.4.4 Runtime

1.5 Contacting IBM for support

1.5.1 IBM support structure

1.5.2 Research the problem

1.5.3 Collect MustGather files

1.5.4 Determine the severity

1.5.5 Create a PMR

1.5.6 Send data to IBM

Chapter 2. Diagnostic data

2.1 JVM logs (SystemOut and SystemErr)

2.2 Tracing

2.3 Collector tool

2.4 First Failure Data Capture (FFDC)

2.5 Other logs

2.5.1 Process (native) logs

2.5.2 Service log (activity.log)

2.5.3 Installation logs

2.6 IBM HTTP Server and plug-in logs and traces

2.6.1 IBM HTTP Server logs

2.6.2 Web server plug-in logs

2.6.3 Web server plug-in trace

2.6.4 Network trace

2.7 System management logs

2.7.1 Output from wsadmin

2.7.2 Management scripts

2.7.3 Profile management logs

2.8 WebSphere Rapid Deployment logs.

2.9 Summary of logs

Chapter 3. Installation problem determination

3.1 Introduction

3.2 Work the problem

3.2.1 Symptom: Launchpad or installation wizard will not start or fails

3.2.2 Symptom: Installation wizard hangs

3.2.3 Symptom: Profile creation failure

3.2.4 Symptom: IVT fails

3.3 Analyzing problem areas

3.3.1 Web browser requirements

3.3.2 Application server startup problems

3.3.3 Profile creation problems

3.4 The next step

Chapter 4. System management problem determination

4.1 Introduction

4.1.1 Collecting data

4.2 Work the problem

4.2.1 High-level symptom analysis

4.3 Analyzing problem areas

4.3.1 Problem: Unable to access the administrative console

4.3.2 Problem: wsadmin or management scripts can't access server

4.3.3 Problem: Unable to stop a server process

4.3.4 Problem: Unable to start a server process

4.3.5 Problem: Unable to access a node agent

4.3.6 Problem: Unable to manage a Web server

4.3.7 Problem: Unable to manage applications

4.3.8 Problem: Failure adding a node to a deployment manager

4.3.9 Problem: Repository synchronization

4.3.10 Problem: Save conflicts in the administrative console

4.3.11 Problem: enterprise applications missing

4.3.12 Problem: Invalid or expired certificates

4.3.13 Problem: WebSphere Rapid Deployment

4.4 The next step

Chapter 5. Web container problem determination

5.1 Introduction

5.1.1 Initial symptoms

5.2 Work the problem

5.2.1 Data to collect

5.2.2 High-level symptom analysis

5.2.3 Symptom: HTTP 404 error - The page cannot be displayed

5.2.4 Symptom: HTTP 404 error - Failed to find resource

5.2.5 Symptom: HTTP 404 error - WebGroup/virtual host not defined

5.2.6 Symptom: HTTP 500 error - JSP processing error

5.2.7 Symptom: HTTP 500 error - IllegalStateException.

5.3 Analyzing problem areas

5.3.1 Application URL specification

5.3.2 Static resources not displayed

5.3.3 Web resources not reloading

5.3.4 Encoding and internationalization issues

5.3.5 HTTP session management

5.4 The next step

Chapter 6. JCA connection problem determination

6.1 Introduction

6.1.1 JCA technical overview

6.2 Work the problem

6.2.1 Symptom: A JDBC call returns incorrect data

6.2.2 Symptom: Failure to connect to a new data source

6.2.3 Symptom: Failure to connect to an existing data source

6.2.4 Symptom: Failure to access a resource through JDBC

6.2.5 Symptom: Failure to access a non-relational resource

6.3 Analyzing problem areas

6.3.1 Configuration problems

6.3.2 Naming problems

6.3.3 Authentication problems

6.3.4 Connection leak problems

6.3.5 Stale connection problems

6.3.6 SQLException and database errors

6.3.7 XAResource problems

6.3.8 Connection factory problems

6.4 The next step

Chapter 7. Web server plug-in problem determination

7.1 Introduction

7.2 Work the problem

7.2.1 Collect the data

7.2.2 Analyze the high-level symptoms

7.3 Analyzing problem areas

7.3.1 Problem: Web server will not start

7.3.2 Problem: Failure between the Web server and plug-in

7.3.3 Problem: Sessions are being lost

7.3.4 Problem: The application works intermittently

7.3.5 Problem: Application load is not being evenly distributed

7.4 The next step

Chapter 8. Application server crash problem determination

8.1 Introduction

8.2 Work the problem

8.2.1 High-level symptom analysis

8.2.2 Data to collect

8.2.3 Analyze the data

8.2.4 Analyze the javacore file

8.2.5 Finding a workaround for JIT problems

8.3 Analyzing problem areas

8.3.1 Stack overflow

8.3.2 Out of memory error

8.4 The next step

8.4.1 Sun Solaris.

8.4.2 HP-UX

Chapter 9. Default messaging provider problem determination

9.1 Introduction

9.1.1 Problem categories

9.2 Work the problem

9.2.1 Collect the data

9.2.2 Analyze the high-level symptoms

9.2.3 What to do if your symptom is not listed here

9.3 Analyzing problem areas

9.3.1 Messaging engine startup problems

9.3.2 Message flow problems

9.3.3 Application configuration and resource problems

9.3.4 Product errors

9.4 The next step

Related publications

IBM Redbooks

Online resources

How to get IBM Redbooks

Help from IBM

Index

Back cover.

Notes:

Includes index.

OCLC:

560079675