I've declared a static non-final float variable in a class.  It is non-final because I need to modify it at runtime to track statistics.  

eg:

public class Stats{
     public static float StatisticsValue = 0.9f;
}

I then place a breakpoint in a different class in the same project on a line of code that reads from this static variable to a local variable.  


float localValue=Stats.StatisticsValue;


After hitting that breakpoint, when I hover the mouse over the 'Stats.StatisticsValue' variable (or look at the watch) I get the error message as reported in bug 118785.  However keep reading, this is not my issue.

When I then step to the next line, the watch shows localValue is set to 0.9f, as expected. However the watch for Stats.StatisticsValue now shows '0.87f'.  Why? What on earth is going on here?

As an additional check I have a println(Stats.StatisticsValue) in the main loop of the application.  When I allow the application to resume running, this println statement actually displays 0.87f. There are a few if statements that I can confirm are being given the wrong value of 0.87f.

This is greatly concerning, at runtime my application is using a static value that is different from the value specified in code.

Before anyone asks as a sanity check I performed a project wide file search (*.java) for the value '.87'.  No place in the entire code-base sets this value.

It is possible that 0.87f is a value I had written in the assignment to Stats.StatisticsValue during a previous development session. 

So I thought perhaps it was still hard-coded in class file?  So to be sure I did a 'Clean and build' for the project in question.  No change, the same bizarre value of 0.87f is returned.

I thought initially it was all related to bug 118785 and it was just the debugger displaying a possibly cached old value.  However this seems more serious as it is actually changing the behavior of my application.


More information:

Using Gradle 2.9 and the Gradle daemon for builds.
Additional libraries: Libgdx 1.7.1