The program may have run out of memory. The above example will allocate 100 MB of available memory to the application and the VisiVue visualization. Adjust the actual amount according to your program's needs and your system's actual available memory. Make sure the amount you set is actually physically available since virtual memory usage may slow things down. Top The visualization window appears and my application runs, but nothing appears in the visualization window.
Several oversights can result in an empty visualization window.
Use the browser to make sure. Enter them in the JVM options field. Enter them in the JVM options field. In the filter panel, make sure all the classes you are interested in visualizing are checked.