Product Version = NetBeans IDE 8.1 (Build 201510222201)
Operating System = Mac OS X version 10.11.4 running on x86_64
Java; VM; Vendor = 1.8.0_45
Runtime = Java HotSpot(TM) 64-Bit Server VM 25.45-b02

Reproducibility: Happens every time

STEPS:
  * Open dialog Refactor
  * Click on field to move field "double b" from ClassB to the ClassA

ACTUAL:
  Refactor displays message: "Can't find URL".

EXPECTED:
  field "double b"  is moved from from ClassB to the ClassA

MINIMAL EXAMPLE:

// Using Netbeans-->Refactor-->Move to move the field "double b;" from ClassB to ClassA doesn't work.
// Instead a message is displayed is displayed, "Can't find URL".

package javamovefieldbug;

public class JavaMoveFieldBug
{
	ClassA classA = new ClassA();
	ClassB classB = new ClassB();

	public static void main(String[] args)
	{
		System.out.println("hello world");
	}

	class ClassA
	{
		double a;
	}

	class ClassB
	{
		double b;
		double c;

	}
}