甲骨文官网的Java故障排查向导比较全面地总结了面对各种Java故障时，该如何应对。推荐给大家。

**Java平台 标准版 故障排查 向导 **

下面摘要部分链接：

2 Diagnostic Tools

• 2.1 Diagnostic Tools Overview

• 2.6 The jcmd Utility

  • 2.6.1 Useful Commands for jcmd Utility
  • 2.6.2 Troubleshoot with jcmd Utility

• 2.7 Native Memory Tracking

  • 2.7.1 Use NMT to Detect a Memory Leak
  • 2.7.2 How to Monitor VM Internal Memory

• 2.11 The jdb Utility

  • 2.11.1 Troubleshoot with jdb Utility
  • 2.11.2 Attach a Process
  • 2.11.3 Attach to a Core File on the Same Machine
  • 2.11.4 Attach to a Core File or a Hung Process from a Different Machine

• 2.13 The jinfo Utility

  • 2.13.1 Troubleshooting with jinfo Utility

• 2.14 The jmap Utility

  • 2.14.1 Heap Configuration and Usage
  • 2.14.2 Heap Histogram
  • 2.14.3 Permanent Generation Statistics
• 2.15 The jps Utility

• 2.16 The jstack Utility

  • 2.16.1 Troubleshoot with jstack Utility
  • 2.16.2 Force a Stack Dump
  • 2.16.3 Stack Trace from a Core Dump
  • 2.16.4 Mixed Stack
• 2.17 The jstat Utility
• 2.19 Control+Break Handler
• • 2.19.1 Thread Dump
  • 2.19.2 Detect Deadlocks
  • 2.19.3 Heap Summary

• 2.20 Native Operating System Tools

  • 2.20.1 DTrace Tool
  • 2.20.2 Probe Providers in Java HotSpot VM
  • 2.20.3 Improvements to pmap Tool
  • 2.20.4 Improvements to pstack Tool

• 2.21 Custom Diagnostic Tools

  • 2.21.1 Java Platform Debugger Architecture
• NMT Memory Categories
• Postmortem Diagnostics Tools
• Hung Processes Tools
• Monitoring Tools
• Other Tools, Options, Variables and Properties
• The java.lang.management Package
• The java.lang.instrument Package
• The java.lang.Thread Class
• JVM Tool Interface
• The jrunscript Utility
• The jsadebugd Daemon
• The jstatd Daemon
• Thread States for a Thread Dump
• Troubleshooting Tools Based on Operating System

3 Troubleshoot Memory Leaks

• 3.1 Debug a Memory Leak Using Java Flight Recorder

  • 3.1.1 Detect a Memory Leak
  • 3.1.2 Find the Leaking Class
  • 3.1.3 Find the Leak
• 3.2 Understand the OutOfMemoryError Exception
• 3.3 Troubleshoot a Crash Instead of OutOfMemoryError

• 3.4 Diagnose Leaks in Java Language Code

  • 3.4.1 Create a Heap Dump
  • 3.4.2 Obtain a Heap Histogram
  • 3.4.3 Monitor the Objects Pending Finalization

• 3.5 Diagnose Leaks in Native Code

  • 3.5.1 Track All Memory Allocation and Free Calls
  • 3.5.2 Track All Memory Allocations in JNI Library
  • 3.5.3 Track Memory Allocation with Operating System Support
  • 3.5.4 Find Leaks with dbx Debugger
  • 3.5.5 Find Leaks with libumem Tool

Part II Debug JVM Issues

5 Troubleshoot System Crashes

• 5.1 Determine Where the Crash Occurred

  • 5.1.1 Crash in Native Code
  • 5.1.2 Crash in Compiled Code
  • 5.1.3 Crash in HotSpot Compiler Thread
  • 5.1.4 Crash in VM Thread
  • 5.1.5 Crash Due to Stack Overflow

• 5.2 Find a Workaround

  • 5.2.1 Working Around Crashes in the HotSpot Compiler Thread or Compiled Code
  • 5.2.2 Working Around Crashes during Garbage Collection
  • 5.2.3 Working Around Crashes Caused by Class Data Sharing

• 5.3 Microsoft Visual C++ Version Considerations

6 Troubleshoot Process Hangs and Loops

• 6.1 Diagnose a Loop Process

• 6.2 Diagnose a Hung Process

  • 6.2.1 Deadlock Detected
  • 6.2.2 Deadlock Not Detected
  • 6.2.3 No Thread Dump
• 6.3 Oracle Solaris 8 Thread Library

7 Handle Signals and Exceptions

• 7.1 Handle Signals on Oracle Solaris and Linux
• 7.2 Handle Exceptions on Windows
• 7.3 Signal Chaining
• 7.4 Handle Exceptions using Java HotSpot VM
• Console Handlers
• Signals Used in Oracle Solaris and Linux

17 Submit a Bug Report

• 17.1 Check for Fixes in Update Releases
• 17.2 Prepare to Submit a Bug Report

• 17.3 Collect Data for a Bug Report

  • 17.3.1 Hardware Details
  • 17.3.2 Operating System Details
  • 17.3.3 Java SE Version
  • 17.3.4 Command-Line Options
  • 17.3.5 Environment Variables
  • 17.3.6 Fatal Error Log
  • 17.3.7 Core or Crash Dump
  • 17.3.8 Detailed Description of the Problem
  • 17.3.9 Logs and Traces
  • 17.3.10 Results from Troubleshooting Steps

• 17.4 Collect Core Dumps

  • 17.4.1 Collect Core Dumps on Oracle Solaris
  • 17.4.2 Collect Core Dumps on Linux
  • 17.4.3 Reasons for Not Getting a Core File
  • 17.4.4 Collect Crash Dumps on Windows

Part VI Appendix

A Fatal Error Log

• Location of Fatal Error Log
• Description of Fatal Error Log
• Header Format
• Thread Section Format
• Process Section Format
• System Section Format

C Environment Variables and System Properties

• The JAVA_HOME Environment Variable
• The JAVA_TOOL_OPTIONS Environment Variable
• The java.security.debug System Property

D Command-Line Options

• Java HotSpot VM Command-Line Options
• Other Command-Line Options

E Summary of Tools in This Release