老师，这图片生成了为什么还会报空指针异常的？这是什么问题？

五月 30, 2021 8:48:00 下午 com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource getPoolManager

信息: Initializing c3p0 pool... com.mchange.v2.c3p0.ComboPooledDataSource [ acquireIncrement -> 3, acquireRetryAttempts -> 2, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> null, breakAfterAcquireFailure -> false, checkoutTimeout -> 10000, connectionCustomizerClassName -> null, connectionTesterClassName -> com.mchange.v2.c3p0.impl.DefaultConnectionTester, dataSourceName -> 1b619b4ah1gj16m98ki4te|7f3b84b8, debugUnreturnedConnectionStackTraces -> false, description -> null, driverClass -> com.mysql.cj.jdbc.Driver, factoryClassLocation -> null, forceIgnoreUnresolvedTransactions -> false, identityToken -> 1b619b4ah1gj16m98ki4te|7f3b84b8, idleConnectionTestPeriod -> 0, initialPoolSize -> 3, jdbcUrl -> jdbc:mysql://localhost:3306/o2o?useUnicode=true&characterEncoding=utf8&serverTimezone=Asia/Shanghai, maxAdministrativeTaskTime -> 0, maxConnectionAge -> 0, maxIdleTime -> 0, maxIdleTimeExcessConnections -> 0, maxPoolSize -> 40, maxStatements -> 0, maxStatementsPerConnection -> 0, minPoolSize -> 10, numHelperThreads -> 3, numThreadsAwaitingCheckoutDefaultUser -> 0, preferredTestQuery -> null, properties -> {user=******, password=******}, propertyCycle -> 0, testConnectionOnCheckin -> false, testConnectionOnCheckout -> false, unreturnedConnectionTimeout -> 0, usesTraditionalReflectiveProxies -> false ]

2021-05-30 20:48:01.203 [main] DEBUG com.imooc.o2o.dao.ShopDao.insertShop - ==>  Preparing: INSERT INTO tb_shop(owner_id,area_id,shop_category_id,shop_name,shop_desc,shop_addr, phone,shop_img,priority,create_time,last_edit_time,enable_status,advice ) VALUES (?,?,?,?, ?,?,?,?,?,?,?, ?,? ) 

2021-05-30 20:48:01.236 [main] DEBUG com.imooc.o2o.dao.ShopDao.insertShop - ==> Parameters: 1(Long), 3(Integer), 11(Long), 测试的店铺2(String), test2(String), test2(String), test1(String), null, null, 2021-05-30 20:48:01.189(Timestamp), 2021-05-30 20:48:01.189(Timestamp), 0(Integer), 审核中(String)

2021-05-30 20:48:01.238 [main] DEBUG com.imooc.o2o.dao.ShopDao.insertShop - <==    Updates: 1

2021-05-30 20:48:01.250 [main] DEBUG com.imooc.o2o.util.ImageUtil - current relativeAddr is :upload\item\shop\43\2021053020480140702.jpg

2021-05-30 20:48:01.250 [main] DEBUG com.imooc.o2o.util.ImageUtil - current complete addr is :D:\projectdev\image\upload\item\shop\43\2021053020480140702.jpg

2021-05-30 20:48:01.250 [main] DEBUG com.imooc.o2o.util.ImageUtil - basePath is :/D:/IdeaProjects/SSM校园商铺/ssm/target/test-classes/

2021-05-30 20:48:01.338 [main] DEBUG com.imooc.o2o.dao.ShopDao.updateShop - ==>  Preparing: update tb_shop SET shop_name=?, shop_desc=?, shop_addr=?, phone=?, shop_img=?, last_edit_time=?, enable_status=?, advice=?, area_id=?, shop_category_id=? where shop_id=? 

2021-05-30 20:48:01.339 [main] DEBUG com.imooc.o2o.dao.ShopDao.updateShop - ==> Parameters: 测试的店铺2(String), test2(String), test2(String), test1(String), upload\item\shop\43\2021053020480140702.jpg(String), 2021-05-30 20:48:01.189(Timestamp), 0(Integer), 审核中(String), 3(Integer), 11(Long), 43(Long)

2021-05-30 20:48:01.340 [main] DEBUG com.imooc.o2o.dao.ShopDao.updateShop - <==    Updates: 1

java.lang.NullPointerException

at com.imooc.o2o.service.ShopServiceTest.testAddShop(ShopServiceTest.java:51)

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)

at org.junit.runner.JUnitCore.run(JUnitCore.java:137)

at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68)

at com.intellij.rt.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:33)

at com.intellij.rt.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:230)

at com.intellij.rt.junit.JUnitStarter.main(JUnitStarter.java:58)