1.Transactional注解标注方法修饰符为非public时,@Transactional注解将会不起作用。
@Transactional
void insertTestWrongModifier() {
int re = testMapper.insert(new Test(10,20,30));
if (re > 0) {
throw new NeedToInterceptException("need intercept");
}
testMapper.insert(new Test(210,20,30));
}
2.在类内部调用类内部@Transactional标注的方法。这种情况下也会导致事务不开启
@Component
public class TestServiceImpl implements TestService {
@Resource
TestMapper testMapper;
@Transactional
public void insertTestInnerInvoke() {
//正常public修饰符的事务方法
int re = testMapper.insert(new Test(10,20,30));
if (re > 0) {
throw new NeedToInterceptException("need intercept");
}
testMapper.insert(new Test(210,20,30));
}
public void testInnerInvoke(){
//类内部调用@Transactional标注的方法。
insertTestInnerInvoke();
}
}
3.事务方法内部捕捉了异常,没有抛出新的异常,导致事务操作不会进行回滚。
@Component
public class TestServiceImpl implements TestService {
@Resource
TestMapper testMapper;
@Transactional
public void insertTestCatchException() {
try {
int re = testMapper.insert(new Test(10,20,30));
if (re > 0) {
//运行期间抛异常
throw new NeedToInterceptException("need intercept");
}
testMapper.insert(new Test(210,20,30));
}catch (Exception e){
System.out.println("i catch exception");
}
}
}