SpotBugs Bug Detector Report
The following document contains the results of SpotBugs
SpotBugs Version is 4.1.3
Threshold is medium
Effort is default
Summary
| Classes |
Bugs |
Errors |
Missing Classes |
| 25 |
25 |
0 |
0 |
org.woehlke.computer.kurzweil.mandelbrot.MandelbrotSetApplication
| Bug |
Category |
Details |
Line |
Priority |
| Dead store to frame in new org.woehlke.computer.kurzweil.mandelbrot.MandelbrotSetApplication() |
STYLE |
DLS_DEAD_LOCAL_STORE |
17 |
Medium |
| Dead store to application in org.woehlke.computer.kurzweil.mandelbrot.MandelbrotSetApplication.main(String[]) |
STYLE |
DLS_DEAD_LOCAL_STORE |
25 |
Medium |
| org.woehlke.computer.kurzweil.mandelbrot.MandelbrotSetApplication.main(String[]) needlessly instantiates a class that only supplies static methods |
BAD_PRACTICE |
ISC_INSTANTIATE_STATIC_CLASS |
25 |
Low |
org.woehlke.computer.kurzweil.mandelbrot.control.ControllerThread
| Bug |
Category |
Details |
Line |
Priority |
| Dead store to $L2 in org.woehlke.computer.kurzweil.mandelbrot.control.ControllerThread.run() |
STYLE |
DLS_DEAD_LOCAL_STORE |
41 |
Medium |
| Synchronization on Boolean in org.woehlke.computer.kurzweil.mandelbrot.control.ControllerThread.exit() |
MT_CORRECTNESS |
DL_SYNCHRONIZATION_ON_BOOLEAN |
47 |
High |
| Synchronization on Boolean in org.woehlke.computer.kurzweil.mandelbrot.control.ControllerThread.run() |
MT_CORRECTNESS |
DL_SYNCHRONIZATION_ON_BOOLEAN |
34 |
High |
| Synchronization on ControllerThread.goOn in futile attempt to guard it |
MT_CORRECTNESS |
ML_SYNC_ON_FIELD_TO_GUARD_CHANGING_THAT_FIELD |
48 |
Medium |
| Class org.woehlke.computer.kurzweil.mandelbrot.control.ControllerThread implements same interface as superclass |
STYLE |
RI_REDUNDANT_INTERFACES |
21-50 |
Low |
| Unread field: org.woehlke.computer.kurzweil.mandelbrot.control.ControllerThread.THREAD_SLEEP_TIME; should this field be static? |
PERFORMANCE |
SS_SHOULD_BE_STATIC |
21 |
Medium |
org.woehlke.computer.kurzweil.mandelbrot.model.ApplicationModel$1
| Bug |
Category |
Details |
Line |
Priority |
| Dead store to $L0 in org.woehlke.computer.kurzweil.mandelbrot.model.ApplicationModel$1.<static initializer for 1>() |
STYLE |
DLS_DEAD_LOCAL_STORE |
39 |
Medium |
org.woehlke.computer.kurzweil.mandelbrot.model.fractal.GaussianNumberPlane
| Bug |
Category |
Details |
Line |
Priority |
| org.woehlke.computer.kurzweil.mandelbrot.model.fractal.GaussianNumberPlane.lattice is a volatile reference to an array; the array elements are non-volatile |
MT_CORRECTNESS |
VO_VOLATILE_REFERENCE_TO_ARRAY |
Not available |
Medium |
org.woehlke.computer.kurzweil.mandelbrot.model.helper.Point
| Bug |
Category |
Details |
Line |
Priority |
| Increment of volatile field org.woehlke.computer.kurzweil.mandelbrot.model.helper.Point.y in org.woehlke.computer.kurzweil.mandelbrot.model.helper.Point.moveDown() |
MT_CORRECTNESS |
VO_VOLATILE_INCREMENT |
42 |
Medium |
| Increment of volatile field org.woehlke.computer.kurzweil.mandelbrot.model.helper.Point.x in org.woehlke.computer.kurzweil.mandelbrot.model.helper.Point.moveLeft() |
MT_CORRECTNESS |
VO_VOLATILE_INCREMENT |
46 |
Medium |
| Increment of volatile field org.woehlke.computer.kurzweil.mandelbrot.model.helper.Point.x in org.woehlke.computer.kurzweil.mandelbrot.model.helper.Point.moveRight() |
MT_CORRECTNESS |
VO_VOLATILE_INCREMENT |
38 |
Medium |
| Increment of volatile field org.woehlke.computer.kurzweil.mandelbrot.model.helper.Point.y in org.woehlke.computer.kurzweil.mandelbrot.model.helper.Point.moveUp() |
MT_CORRECTNESS |
VO_VOLATILE_INCREMENT |
34 |
Medium |
org.woehlke.computer.kurzweil.mandelbrot.model.state.ApplicationStateMachine$1
| Bug |
Category |
Details |
Line |
Priority |
| Dead store to $L0 in org.woehlke.computer.kurzweil.mandelbrot.model.state.ApplicationStateMachine$1.<static initializer for 1>() |
STYLE |
DLS_DEAD_LOCAL_STORE |
25 |
Medium |
org.woehlke.computer.kurzweil.mandelbrot.model.turing.MandelbrotTuringMachine$1
| Bug |
Category |
Details |
Line |
Priority |
| Dead store to $L0 in org.woehlke.computer.kurzweil.mandelbrot.model.turing.MandelbrotTuringMachine$1.<static initializer for 1>() |
STYLE |
DLS_DEAD_LOCAL_STORE |
37 |
Medium |
org.woehlke.computer.kurzweil.mandelbrot.model.turing.TuringPositions
| Bug |
Category |
Details |
Line |
Priority |
| Increment of volatile field org.woehlke.computer.kurzweil.mandelbrot.model.turing.TuringPositions.steps in org.woehlke.computer.kurzweil.mandelbrot.model.turing.TuringPositions.goForward() |
MT_CORRECTNESS |
VO_VOLATILE_INCREMENT |
45 |
Medium |
org.woehlke.computer.kurzweil.mandelbrot.model.turing.TuringPositions$1
| Bug |
Category |
Details |
Line |
Priority |
| Dead store to $L0 in org.woehlke.computer.kurzweil.mandelbrot.model.turing.TuringPositions$1.<static initializer for 1>() |
STYLE |
DLS_DEAD_LOCAL_STORE |
46 |
Medium |
org.woehlke.computer.kurzweil.mandelbrot.view.ApplicationCanvas
| Bug |
Category |
Details |
Line |
Priority |
| Class org.woehlke.computer.kurzweil.mandelbrot.view.ApplicationCanvas defines non-transient non-serializable instance field app |
BAD_PRACTICE |
SE_BAD_FIELD |
Not available |
Low |
org.woehlke.computer.kurzweil.mandelbrot.view.ApplicationFrame
| Bug |
Category |
Details |
Line |
Priority |
| Class org.woehlke.computer.kurzweil.mandelbrot.view.ApplicationFrame implements same interface as superclass |
STYLE |
RI_REDUNDANT_INTERFACES |
36-144 |
Low |
| new org.woehlke.computer.kurzweil.mandelbrot.view.ApplicationFrame(Config) invokes org.woehlke.computer.kurzweil.mandelbrot.control.ControllerThread.start() |
MT_CORRECTNESS |
SC_START_IN_CTOR |
55 |
Low |
| Class org.woehlke.computer.kurzweil.mandelbrot.view.ApplicationFrame defines non-transient non-serializable instance field applicationModel |
BAD_PRACTICE |
SE_BAD_FIELD |
Not available |
Medium |
| Class org.woehlke.computer.kurzweil.mandelbrot.view.ApplicationFrame defines non-transient non-serializable instance field controllerThread |
BAD_PRACTICE |
SE_BAD_FIELD |
Not available |
Medium |
org.woehlke.computer.kurzweil.mandelbrot.view.PanelButtons
| Bug |
Category |
Details |
Line |
Priority |
| Class org.woehlke.computer.kurzweil.mandelbrot.view.PanelButtons defines non-transient non-serializable instance field model |
BAD_PRACTICE |
SE_BAD_FIELD |
Not available |
Low |
