javafx application

build successfull.. but run time error ant -f C:\\Users\\patha\\JavaFXProject3 jfxsa-run init: Deleting: C:\Users\patha\JavaFXProject3\build\[login to view URL] deps-jar: Updating property file: C:\Users\patha\JavaFXProject3\build\[login to view URL] Compiling 23 source files to C:\Users\patha\JavaFXProject3\build\classes Note: Some input files use unchecked or unsafe operations. Note: Recompile with -Xlint:unchecked for details. compile: Deleting directory C:\Users\patha\JavaFXProject3\dist\lib Copying 5 files to C:\Users\patha\JavaFXProject3\dist\lib Detected JavaFX Ant API version 1.3 Launching <fx:jar> task from C:\Program Files\Java\jdk1.8.0_162\jre\..\lib\[login to view URL] Warning: From JDK7u25 the Codebase manifest attribute should be used to restrict JAR repurposing. Please set [login to view URL] property to override the current default non-secure value '*'. Launching <fx:deploy> task from C:\Program Files\Java\jdk1.8.0_162\jre\..\lib\[login to view URL] No base JDK. Package will use system JRE. No base JDK. Package will use system JRE. jfx-deployment-script: jfx-deployment: jar: Copying 18 files to C:\Users\patha\JavaFXProject3\dist\run1576870288 jfx-project-run: Executing C:\Users\patha\JavaFXProject3\dist\run1576870288\[login to view URL] using platform C:\Program Files\Java\jdk1.8.0_162\jre/bin/java Exception in Application start method [login to view URL] at [login to view URL](Native Method) at [login to view URL]([login to view URL]) at [login to view URL]([login to view URL]) at [login to view URL]([login to view URL]) at [login to view URL]([login to view URL]) at [login to view URL]([login to view URL]) at [login to view URL](Native Method) at [login to view URL]([login to view URL]) at [login to view URL]([login to view URL]) at [login to view URL]([login to view URL]) at [login to view URL]$[login to view URL]([login to view URL]) Caused by: [login to view URL]: Exception in Application start method at [login to view URL]([login to view URL]) at [login to view URL]$launchApplication$154([login to view URL]) at [login to view URL]([login to view URL]) Caused by: [login to view URL]: Location is required. at [login to view URL]([login to view URL]) at [login to view URL]([login to view URL]) at [login to view URL]([login to view URL]) at [login to view URL]([login to view URL]) at [login to view URL]([login to view URL]) at [login to view URL]([login to view URL]) at [login to view URL]([login to view URL]) at [login to view URL]$launchApplication1$161([login to view URL]) at [login to view URL]$runAndWait$174([login to view URL]) at [login to view URL]$null$172([login to view URL]) at [login to view URL](Native Method) at [login to view URL]$runLater$173([login to view URL]) at [login to view URL]$[login to view URL]([login to view URL]) at com.sun.glass.ui.win.WinApplication._runLoop(Native Method) at [login to view URL]$null$147([login to view URL]) ... 1 more Exception running application Starter Java Result: 1 Deleting directory C:\Users\patha\JavaFXProject3\dist\run1576870288 jfxsa-run: BUILD SUCCESSFUL (total time: 14 seconds)