A thread stack dump using "jstack" might be helpful.
Also, what version of the JDK are you running? -- Kevin On 2/9/2020 4:07 AM, Lior Yaffe wrote:
My application is a Java application running a Javascript/Html website inside a JavaFX WebView. It was working stable for several years with various versions of Java and JavaFX. As far as I can tell it is following best coding practices such as running all UI code in the JavaFX thread and as such. Since upgrading to JavaFX 13 my application hangs sporadically. When it happens the website running inside the webview becomes unresponsive and displays an hourglass icon. When the app hangs I cannot take a thread dump using jstack or close the application. I have to kill it. The problem is reproduced on multiple Windows workstations. It was never reported or reproduced on Linux or Mac so there is a chance it is Windows specific. When the app hangs the CPU is ideal so this is not a busy loop. Which diagnostic information can I obtain to better understand this problem?