Put breakpoints and follow the Shibboleth IDP

[Manisha Sinha]

Hi All,
 
I am trying to understand the code of Shibboleth IDP. I have downloaded the code from SVN and imported the project in Eclipse-STS. I also have a idp.war deployed on tomcat.
 
I have found that the best way to understand a code is to put breakpoints and watch the flow of the code and also get an idea of what values are being passed. I have done this in the past where I have deployed my war file on tomcat, have the project in the Eclipse (actually it was MyEclipse and I configured using MyEclipse externally launced Server in the Debug settings window) and then put breakpoints in the code. For example when a user enters the username and password and clicks Login button, the code would stop at the breakpoint where the authentication is done (assuming I have put a breakpoint at the right place). I find this a very neat way to debug/understand a web app.
 
I want to do something similar to understand the IDP code. Has anyone tried this?? 
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