老师报异常还是保存进去数据如何处理？

来源：4-5 店铺注册之Service层的实现

慕函数4495222

2020-03-30

老师报异常事务没有回滚是什么原因
javax.imageio.IIOException: Can’t read input file!
at javax.imageio.ImageIO.read(ImageIO.java:1301)
at com.imooc.o2o.util.ImageUtil.generateThumbnail(ImageUtil.java:40)
at com.imooc.o2o.service.impl.ShopServiceImpl.addShopImg(ShopServiceImpl.java:64)
at com.imooc.o2o.service.impl.ShopServiceImpl.addShop(ShopServiceImpl.java:43)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:333)
at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:190)
at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:157)
at org.springframework.transaction.interceptor.TransactionInterceptor $1 . p r o c e e d W i t h I n v o c a t i o n (T r a n s a c t i o n I n t e r c e p t o r . j a v a : 99) a t o r g . s p r i n g f r a m e w o r k . t r a n s a c t i o n . i n t e r c e p t o r . T r a n s a c t i o n A s p e c t S u p p o r t . i n v o k e W i t h i n T r a n s a c t i o n (T r a n s a c t i o n A s p e c t S u p p o r t . j a v a : 282) a t o r g . s p r i n g f r a m e w o r k . t r a n s a c t i o n . i n t e r c e p t o r . T r a n s a c t i o n I n t e r c e p t o r . i n v o k e (T r a n s a c t i o n I n t e r c e p t o r . j a v a : 96) a t o r g . s p r i n g f r a m e w o r k . a o p . f r a m e w o r k . R e f l e c t i v e M e t h o d I n v o c a t i o n . p r o c e e d (R e f l e c t i v e M e t h o d I n v o c a t i o n . j a v a : 179) a t o r g . s p r i n g f r a m e w o r k . a o p . f r a m e w o r k . J d k D y n a m i c A o p P r o x y . i n v o k e (J d k D y n a m i c A o p P r o x y . j a v a : 213) a t c o m . s u n . p r o x y .$ Proxy23.addShop(Unknown Source)
at com.imooc.service.ShopServiceTest.testAddShop(ShopServiceTest.java:41)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.springframework.test.context.junit4.statements.RunBeforeTestMethodCallbacks.evaluate(RunBeforeTestMethodCallbacks.java:75)
at org.springframework.test.context.junit4.statements.RunAfterTestMethodCallbacks.evaluate(RunAfterTestMethodCallbacks.java:86)
at org.springframework.test.context.junit4.statements.SpringRepeat.evaluate(SpringRepeat.java:84)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:252)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:94)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61)
at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70)
at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191)

写回答

1回答

啊顾顾

2020-03-30

已采纳

同学好，查看官方文档，你会发现IIOException继承IOException IOException并不继承自RuntimeException, 我们知道，只有继承自RuntimeException才支持事务回滚。答案显而易见。你要先把抛出的IIOException异常解决，再重新进行测试