#fixed code
                             @Test
	public void copyPropertiesHasBooleanTest() {
		SubPerson p1 = new SubPerson();
		p1.setSlow(true);

		// 测试boolean参数值isXXX形式
		SubPerson p2 = new SubPerson();
		BeanUtil.copyProperties(p1, p2);
		Assert.assertTrue(p2.getSlow());

		// 测试boolean参数值非isXXX形式
		SubPerson2 p3 = new SubPerson2();
		BeanUtil.copyProperties(p1, p3);
		Assert.assertTrue(p3.getSlow());
	}
#vulnerable code 
                             @Test
	public void copyPropertiesHasBooleanTest() {
		SubPerson p1 = new SubPerson();
		p1.setSlow(true);

		// 测试boolean参数值isXXX形式
		SubPerson p2 = new SubPerson();
		BeanUtil.copyProperties(p1, p2);
		Assert.assertTrue(p2.isSlow());

		// 测试boolean参数值非isXXX形式
		SubPerson2 p3 = new SubPerson2();
		BeanUtil.copyProperties(p1, p3);
		Assert.assertTrue(p3.isSlow());
	} 
                            #location 9 
                            #vulnerability type NULL_DEREFERENCE