Source: The Java Momentum
VisualVM is a tool to monitor and troubleshoot Java applications. It runs on Oracle/Sun JDK 6, but is able to monitor applications running on JDK 1.4 and higher. It utilizes various available technologies like jvmstat, JMX, the Serviceability Agent (SA), and the Attach API to get the data and automatically uses the fastest and most lightweight technology to impose minimal overhead on monitored applications.
With the out-of-the-box features it perfectly fits all the requirements of application developers, system administrators, quality engineers and – last but not least – application users submitting bug reports containing all the necessary information.
This is definitely a tool to check out!
See the video for yourself, it shows all the features! Or take it for a spin!
Features
| Feature | JDK 1.4.2 local/remote |
JDK 5 local/remote |
JDK 6 local |
JDK 6 remote |
| Overview | Image may be NSFW. Clik here to view.  |
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| System Properties (in Overview) | Image may be NSFW. Clik here to view. |
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| Monitor | Image may be NSFW. Clik here to view. |
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| Threads | Image may be NSFW. Clik here to view. |
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| Profiler | Image may be NSFW. Clik here to view. |
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| Thread Dump | Image may be NSFW. Clik here to view. |
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| Heap Dump | Image may be NSFW. Clik here to view. |
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| Enable Heap Dump on OOME | Image may be NSFW. Clik here to view. |
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| MBean Browser (plugin) | Image may be NSFW. Clik here to view. |
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| Wrapper for JConsole plugins (plugin) | Image may be NSFW. Clik here to view. |
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Sander De Vos, one of our experts, regularly blogs at The Java Momentum.
