I have installed a plugin for VisualVM to analyse Thread Dumps:
http://java.net/projects/tda/downloads/directory/visualvm
download the 3 plugins (all 3 are necessary)
it says:
https://tda.dev.java.net
Version: 2.2 Author: Ingo Rockel Date: 8/9/10 Source: net-java-dev-tda-visualvm.nbm Homepage: https://tda.dev.java.net
Plugin Description
VisualVM Module of TDA - Thread Dump Analyzer
To install the plugin
open C:\Oracle\Middleware\jdk160_24\bin\jvisualvm.exe
tools /plugins/downloaded/add plugin/install
"they are not signed" warning.... continue
Be aware that thread dump files must have extension .tdump (like: bla.tdump)
go to file/open/bla.tdump
the trick is to look for "waiting threads", click on the STUCK thread
The tool makes it very easy to navigate from thread to thread based on the monitor id, so as to identify the root cause of a stuck thread.
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