Memory leak about ultralight-java HOT 1 OPEN

JavascriptClassDefinition oneClassDef = new JavascriptClassDefinition().name("one").attributes(JavascriptClassAttributes.NO_AUTOMATIC_PROTOTYPE);
			JavascriptClass oneClass = oneClassDef.bake();
			JavascriptObject oneObject = context.makeObject(oneClass);
			globalObject.setProperty("one", oneObject, 0);

			JavascriptClassDefinition twoClassDef = new JavascriptClassDefinition().name("two").parentClass(oneClass).attributes(JavascriptClassAttributes.NO_AUTOMATIC_PROTOTYPE);
			JavascriptClass twoClass = twoClassDef.bake();
			JavascriptObject twoObject = context.makeObject(twoClass);
			oneObject.setProperty("two", twoObject, 0);

			JavascriptClassDefinition threeClassDef = new JavascriptClassDefinition().name("three").parentClass(twoClass).attributes(JavascriptClassAttributes.NO_AUTOMATIC_PROTOTYPE);
			threeClassDef.onCallAsFunction(new JavascriptObjectFunction() {

				@Override
				public JavascriptValue callAsJavascriptFunction(JavascriptContext context, JavascriptObject function, JavascriptObject thisObject, JavascriptValue[] arguments) throws JavascriptInteropException {
					if (true) {
						JavascriptValue string = context.makeString("[{\"x\":-156.5,\"z\":265.5,\"type\":5},{\"x\":-158.5,\"z\":265.5,\"type\":5},{\"x\":-152.5,\"z\":267.5,\"type\":5},{\"x\":-160.5,\"z\":267.5,\"type\":5},{\"x\":-148.5,\"z\":267.5,\"type\":5},{\"x\":-150.5,\"z\":267.5,\"type\":5},{\"x\":-160.5,\"z\":265.5,\"type\":5},{\"x\":-154.5,\"z\":267.5,\"type\":5},{\"x\":-154.5,\"z\":265.5,\"type\":5},{\"x\":-152.5,\"z\":265.5,\"type\":5},{\"x\":-150.5,\"z\":265.5,\"type\":5},{\"x\":-158.5,\"z\":267.5,\"type\":5},{\"x\":-171.31021364279692,\"z\":240.2766290600617,\"type\":0},{\"x\":-162.5,\"z\":265.5,\"type\":5},{\"x\":-156.5,\"z\":267.5,\"type\":5},{\"x\":-148.5,\"z\":265.5,\"type\":5},{\"x\":-155.44999998807907,\"z\":272.44999998807907,\"type\":3},{\"x\":-162.5,\"z\":267.5,\"type\":5},{\"x\":-242.5,\"z\":242.5,\"type\":4}]");
						//string.contextUnlocking();
						return string;
					}
					return context.makeBoolean(false);
				}
			});
			JavascriptClass threeClass = threeClassDef.bake();
			JavascriptObject threeObject = context.makeObject(threeClass);
			twoObject.setProperty("three", threeObject, 0);