/* gets target VM version from the given VMVersionMismatchException.
* Note that we need to reflectively call the method because of we may
* have got this from different classloader's namespace */
private static String getVMVersion(Throwable throwable)
throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
// assert isVMVersionMismatch(throwable), "not a VMVersionMismatch"
Class expClass = throwable.getClass();
Method targetVersionMethod = expClass.getMethod("getTargetVersion", new Class[0]);
return (String) targetVersionMethod.invoke(throwable);
}
private VirtualMachine createVirtualMachine(Class virtualMachineImplClass, int pid)
throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
java.lang.reflect.Method createByPIDMethod =
virtualMachineImplClass.getMethod(
"createVirtualMachineForPID",
new Class[] {VirtualMachineManager.class, Integer.TYPE, Integer.TYPE});
return (VirtualMachine)
createByPIDMethod.invoke(
null,
new Object[] {Bootstrap.virtualMachineManager(), new Integer(pid), new Integer(0)});
}
private static Class getVMImplClassFrom(ClassLoader cl) throws ClassNotFoundException {
return Class.forName("sun.jvm.hotspot.jdi.VirtualMachineImpl", true, cl);
}