Hi, All
What does such error mean ?
Occurred runtime after start, if OCVMat object of jOpencv lib is declared as a public global variable.
Win10, B4J v.9.30
How to solve ?
What does such error mean ?
B4X:
Waiting for debugger to connect...
java.lang.UnsatisfiedLinkError: com.b4jcv.core.Mat.n_Mat()J
at com.b4jcv.core.Mat.n_Mat(Native Method)
at com.b4jcv.core.Mat.<init>(Mat.java:30)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
at java.base/java.lang.Class.newInstance(Class.java:584)
at anywheresoftware.b4a.shell.Shell.createObject(Shell.java:507)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:252)
at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:167)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:109)
at anywheresoftware.b4a.shell.ShellBA.raiseEvent2(ShellBA.java:98)
at peacemaker.sc4.main.<clinit>(main.java:17)
at java.base/java.lang.Class.forName0(Native Method)
at java.base/java.lang.Class.forName(Class.java:398)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.loadClass(LauncherImpl.java:382)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.lambda$launchApplicationWithArgs$3(LauncherImpl.java:421)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runAndWait$12(PlatformImpl.java:455)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$10(PlatformImpl.java:428)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$11(PlatformImpl.java:427)
at javafx.graphics/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:96)
at javafx.graphics/com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at javafx.graphics/com.sun.glass.ui.win.WinApplication.lambda$runLoop$3(WinApplication.java:174)
at java.base/java.lang.Thread.run(Thread.java:834)
java.lang.reflect.InvocationTargetException
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at java.base/sun.launcher.LauncherHelper$FXHelper.main(LauncherHelper.java:1051)
Caused by: java.lang.NullPointerException
at javafx.graphics/com.sun.javafx.application.LauncherImpl.launchApplicationWithArgs(LauncherImpl.java:458)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.launchApplication(LauncherImpl.java:363)
... 5 more
java.lang.ExceptionInInitializerError
at java.base/java.lang.Class.forName0(Native Method)
at java.base/java.lang.Class.forName(Class.java:398)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.loadClass(LauncherImpl.java:382)
at javafx.graphics/com.sun.javafx.application.LauncherImpl.lambda$launchApplicationWithArgs$3(LauncherImpl.java:421)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runAndWait$12(PlatformImpl.java:455)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$10(PlatformImpl.java:428)
at java.base/java.security.AccessController.doPrivileged(Native Method)
at javafx.graphics/com.sun.javafx.application.PlatformImpl.lambda$runLater$11(PlatformImpl.java:427)
at javafx.graphics/com.sun.glass.ui.InvokeLaterDispatcher$Future.run(InvokeLaterDispatcher.java:96)
at javafx.graphics/com.sun.glass.ui.win.WinApplication._runLoop(Native Method)
at javafx.graphics/com.sun.glass.ui.win.WinApplication.lambda$runLoop$3(WinApplication.java:174)
at java.base/java.lang.Thread.run(Thread.java:834)
Caused by: java.lang.RuntimeException: java.lang.UnsatisfiedLinkError: com.b4jcv.core.Mat.n_Mat()J
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:138)
at anywheresoftware.b4a.shell.ShellBA.raiseEvent2(ShellBA.java:98)
at peacemaker.sc4.main.<clinit>(main.java:17)
... 12 more
Caused by: java.lang.UnsatisfiedLinkError: com.b4jcv.core.Mat.n_Mat()J
at com.b4jcv.core.Mat.n_Mat(Native Method)
at com.b4jcv.core.Mat.<init>(Mat.java:30)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
at java.base/java.lang.Class.newInstance(Class.java:584)
at anywheresoftware.b4a.shell.Shell.createObject(Shell.java:507)
at anywheresoftware.b4a.shell.Shell.raiseEventImpl(Shell.java:252)
at anywheresoftware.b4a.shell.Shell.raiseEvent(Shell.java:167)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at anywheresoftware.b4a.BA.raiseEvent2(BA.java:109)
... 14 moreOccurred runtime after start, if OCVMat object of jOpencv lib is declared as a public global variable.
Win10, B4J v.9.30
How to solve ?
Last edited:
