Problem with mouse hover not viewing variable values when debugging in eclipse

Problem Description: Eclipse in debug mode does not automatically display the value of a variable when the mouse moves over it
Solution: Click Eclipse's window->preferences->java->editor->hovers, tick variable Values, (if combined hover has selected, Cancel it), then click Apply and the last point is OK.
Sometimes do not need to tick variable values can also see the value of variables, so check the selection of more than a few, debug may be good.

Hovers is primarily used to configure the information that is needed to display when the mouse is moved to a project. A shortcut to some functionality is implemented through the hovers configuration.
The configuration of the following properties is mainly included:
Combined hover-tries The Hover in the sequence listed on the table and uses the one which fits best for the selected Ele ment and the current context.
Combined Hover: Adaptive match display based on the current context and selected elements.
Variable Values-shows The value of the selected Variable while debugging.
Variable Display the contents of the current selection variable in Values:debug mode
Problem Description-shows The Description of the selected problem.
Problem Description: Displays a description of the current problem (error)
externalized string-shows The externalized String of the selected key.
Externalized string: Displays the XRef string for the selected key.
Javadoc-shows the Javadoc of the selected element.
Javadoc: Displays document information for the currently selected element
Source-shows the source of the selected element.
Source: Displays the source code for the currently selected element.
Annotation Description-shows The Description of the selected Annotation.
Annotation Description: Displays descriptive information for the current selection claim.

Problem with mouse hover not viewing variable values when debugging in eclipse