Java Thread Validator - Feature List

Java Thread Validator has many useful features not found in other synchronization analysis tools.

Locks view. Shows active monitors and waiting monitors for all monitors and threads. Colour coding and text messages indicates various error conditions
Per Threads Locks view. Shows active monitors and waiting monitors on a per-thread basis. Colour coding and text messages indicates various error conditions
Current Locks view. Shows currently active monitors and waiting monitors. Colour coding and text messages indicates various error conditions
Analysis view. View information on all synchronizations and their related objects
Threads view. Graphically view the state of the threads in your application
Diagnostic messages. For detecting unforseen errors in the instrumentation. If things are not behaving as you expect, the answer may be here

Very configurable, almost all options are configurable by the user. Includes an option to reset to the default settings

Start by launching a process and instructing the Java Virtual Machine to load the profiler DLL

Instrumentation is fast, a few seconds, not tens of minutes.
Runs at nearly full speed of non-instrumented application, not 2 or 10 times slower