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Page stub for Troubleshooting and Diagnostics techniques.

Techniques & Reference

• Capturing a thread dump
• Capturing a heap dump
• Examining a Stacktrace
• Sun Technical Article: Monitoring and Managing Java SE 6 Platform Applications
• Notes on using Using JMX clients
  

Tools

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JMX Clients

• JConsole (JMX)Docs
• VisualVM Docs Project
  

JDK tools (

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Experimental)

• jinfo - Prints JVM process info
• jstack - Prints thread stack traces
• jmap - Dumps heap and shows heap status
• jhat - Heap Analyzer Tool
  

Profilers

Profilers

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• MAT (Eclipse)
• YourKit Profiler
• JProbe
• VisualVM Docs
  

Anchor
usingjmxclients usingjmxclients

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Notes on using JMX

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clients

When running a JMX client (JConsole, VisualVM) on the same machine as the target JVM process it is possible to connect without pre-configuring a JMX port, using the local connector stub. This method relies on being able to create a protected temporary file, accessible only to a user with administrator privileges. Java processes which are accessible via the local connector will automatically appear in the client.

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