遇到的问题：
1.进行spring mvc测试的时候报错
测试代码：
1 package com.li.test; 2 3 import com.github.pagehelper.PageInfo; 4 import com.li.dao.DepartmentMapper; 5 import com.li.dao.EmployeeMapper; 6 import com.li.pojo.Employee; 7 import org.junit.Before; 8 import org.junit.Test; 9 import org.junit.runner.RunWith; 10 import org.springframework.beans.factory.annotation.Autowired; 11 import org.springframework.mock.web.MockHttpServletRequest; 12 import org.springframework.test.context.ContextConfiguration; 13 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; 14 import org.springframework.test.context.web.WebAppConfiguration; 15 import org.springframework.test.web.servlet.MockMvc; 16 import org.springframework.test.web.servlet.MvcResult; 17 import org.springframework.test.web.servlet.request.MockMvcRequestBuilders; 18 import org.springframework.test.web.servlet.setup.MockMvcBuilders; 19 import org.springframework.web.context.WebApplicationContext; 20 21 import java.util.List; 22 23 /** 24 * 测试CRUD请求 25 */ 26 27 /** 28 * 报错java.lang.NoClassDefFoundError: javax/servlet/SessionCookieConfig 29 * 需要servlet3.0支持 30 */ 31 @RunWith(SpringJUnit4ClassRunner.class) 32 @WebAppConfiguration 33 @ContextConfiguration(locations = {"classpath:applicationContext.xml","classpath:springMVC.xml"}) 34 public class MVCTest { 35 36 //传入Spring mvc的IOC 37 @Autowired 38 WebApplicationContext context; 39 40 //虚拟的mvc请求 41 MockMvc mockMvc; 42 43 @Before 44 public void initMockMvc(){ 45 mockMvc=MockMvcBuilders.webAppContextSetup(context).build(); 46 } 47 48 @Test 49 public void testPage() throws Exception{ 50 MvcResult mvcResult=mockMvc.perform(MockMvcRequestBuilders.get("/emps").param("start","1")).andReturn(); 51 MockHttpServletRequest request=mvcResult.getRequest(); 52 PageInfo pageInfo=(PageInfo) request.getAttribute("pageInfo"); 53 System.out.println("当前页码："+pageInfo.getPageNum()); 54 System.out.println("总页码："+pageInfo.getPages()); 55 System.out.println("总记录数："+pageInfo.getTotal()); 56 System.out.println("在页面需要连续显示的页码："); 57 int [] nums=pageInfo.getNavigatepageNums(); 58 for (int i:nums){ 59 System.out.println(" "+i); 60 } 61 62 //获取员工数据 63 List<Employee> employeeList=pageInfo.getList(); 64 for(Employee employee:employeeList){ 65 System.out.println("ID:"+employee.getEmpId()); 66 } 67 } 68 69 }
报错：
1 七月 26, 2018 9:31:46 下午 org.springframework.web.context.support.GenericWebApplicationContext prepareRefresh 2 信息: Refreshing org.springframework.web.context.support.GenericWebApplicationContext@26be92ad: startup date [Thu Jul 26 21:31:46 CST 2018]; root of context hierarchy 3 七月 26, 2018 9:31:47 下午 com.alibaba.druid.pool.DruidDataSource info 4 信息: {dataSource-1} inited 5 七月 26, 2018 9:31:47 下午 org.springframework.web.context.support.GenericWebApplicationContext refresh 6 警告: Exception encountered during context initialization - cancelling refresh attempt: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'departmentServiceImpl': Unsatisfied dependency expressed through field 'departmentMapper'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'departmentMapper' defined in file [E:Java_练习HSSMDEMO argetclassescomlidaoDepartmentMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSession' defined in class path resource [applicationContext.xml]: Cannot create inner bean 'com.github.pagehelper.PageInterceptor#70a9f84e' of type [com.github.pagehelper.PageInterceptor] while setting bean property 'plugins' with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.github.pagehelper.PageInterceptor#70a9f84e' defined in class path resource [applicationContext.xml]: Error setting property values; nested exception is org.springframework.beans.PropertyBatchUpdateException; nested PropertyAccessExceptions (1) are: 7 PropertyAccessException 1: org.springframework.beans.MethodInvocationException: Property 'properties' threw exception; nested exception is com.github.pagehelper.PageException: 初始化 helper [mysql ]时出错:mysql 8 七月 26, 2018 9:31:47 下午 com.alibaba.druid.pool.DruidDataSource info 9 信息: {dataSource-1} closed 10 七月 26, 2018 9:31:47 下午 org.springframework.test.context.TestContextManager prepareTestInstance 11 严重: Caught exception while allowing TestExecutionListener [org.springframework.test.context.web.ServletTestExecutionListener@67b6d4ae] to prepare test instance [com.li.test.MVCTest@45d2ade3] 12 java.lang.IllegalStateException: Failed to load ApplicationContext 13 at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:124) 14 at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:83) 15 at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:189) 16 at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:131) 17 at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:230) 18 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:228) 19 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:287) 20 at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) 21 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:289) 22 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:247) 23 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:94) 24 at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) 25 at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) 26 at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) 27 at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) 28 at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) 29 at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) 30 at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) 31 at org.junit.runners.ParentRunner.run(ParentRunner.java:363) 32 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191) 33 at org.junit.runner.JUnitCore.run(JUnitCore.java:137) 34 at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) 35 at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47) 36 at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242) 37 at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) 38 Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'departmentServiceImpl': Unsatisfied dependency expressed through field 'departmentMapper'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'departmentMapper' defined in file [E:Java_练习HSSMDEMO argetclassescomlidaoDepartmentMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSession' defined in class path resource [applicationContext.xml]: Cannot create inner bean 'com.github.pagehelper.PageInterceptor#70a9f84e' of type [com.github.pagehelper.PageInterceptor] while setting bean property 'plugins' with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.github.pagehelper.PageInterceptor#70a9f84e' defined in class path resource [applicationContext.xml]: Error setting property values; nested exception is org.springframework.beans.PropertyBatchUpdateException; nested PropertyAccessExceptions (1) are: 39 PropertyAccessException 1: org.springframework.beans.MethodInvocationException: Property 'properties' threw exception; nested exception is com.github.pagehelper.PageException: 初始化 helper [mysql ]时出错:mysql 40 at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:588) 41 at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) 42 at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:366) 43 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1264) 44 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553) 45 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) 46 at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) 47 at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) 48 at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) 49 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) 50 at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761) 51 at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866) 52 at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542) 53 at org.springframework.test.context.web.AbstractGenericWebContextLoader.loadContext(AbstractGenericWebContextLoader.java:134) 54 at org.springframework.test.context.web.AbstractGenericWebContextLoader.loadContext(AbstractGenericWebContextLoader.java:61) 55 at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.delegateLoading(AbstractDelegatingSmartContextLoader.java:108) 56 at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.loadContext(AbstractDelegatingSmartContextLoader.java:251) 57 at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:98) 58 at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:116) 59 ... 24 more 60 Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'departmentMapper' defined in file [E:Java_练习HSSMDEMO argetclassescomlidaoDepartmentMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSession' defined in class path resource [applicationContext.xml]: Cannot create inner bean 'com.github.pagehelper.PageInterceptor#70a9f84e' of type [com.github.pagehelper.PageInterceptor] while setting bean property 'plugins' with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.github.pagehelper.PageInterceptor#70a9f84e' defined in class path resource [applicationContext.xml]: Error setting property values; nested exception is org.springframework.beans.PropertyBatchUpdateException; nested PropertyAccessExceptions (1) are: 61 PropertyAccessException 1: org.springframework.beans.MethodInvocationException: Property 'properties' threw exception; nested exception is com.github.pagehelper.PageException: 初始化 helper [mysql ]时出错:mysql 62 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1357) 63 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1249) 64 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553) 65 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) 66 at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) 67 at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) 68 at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) 69 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) 70 at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:208) 71 at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1138) 72 at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066) 73 at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:585) 74 ... 42 more 75 Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSession' defined in class path resource [applicationContext.xml]: Cannot create inner bean 'com.github.pagehelper.PageInterceptor#70a9f84e' of type [com.github.pagehelper.PageInterceptor] while setting bean property 'plugins' with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.github.pagehelper.PageInterceptor#70a9f84e' defined in class path resource [applicationContext.xml]: Error setting property values; nested exception is org.springframework.beans.PropertyBatchUpdateException; nested PropertyAccessExceptions (1) are: 76 PropertyAccessException 1: org.springframework.beans.MethodInvocationException: Property 'properties' threw exception; nested exception is com.github.pagehelper.PageException: 初始化 helper [mysql ]时出错:mysql 77 at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:313) 78 at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:122) 79 at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveManagedArray(BeanDefinitionValueResolver.java:370) 80 at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:153) 81 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1531) 82 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1276) 83 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553) 84 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) 85 at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) 86 at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) 87 at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) 88 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) 89 at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:208) 90 at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1138) 91 at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066) 92 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1342) 93 ... 53 more 94 Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.github.pagehelper.PageInterceptor#70a9f84e' defined in class path resource [applicationContext.xml]: Error setting property values; nested exception is org.springframework.beans.PropertyBatchUpdateException; nested PropertyAccessExceptions (1) are: 95 PropertyAccessException 1: org.springframework.beans.MethodInvocationException: Property 'properties' threw exception; nested exception is com.github.pagehelper.PageException: 初始化 helper [mysql ]时出错:mysql 96 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1568) 97 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1276) 98 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553) 99 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) 100 at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:299) 101 ... 68 more 102 Caused by: org.springframework.beans.PropertyBatchUpdateException; nested PropertyAccessExceptions (1) are: 103 PropertyAccessException 1: org.springframework.beans.MethodInvocationException: Property 'properties' threw exception; nested exception is com.github.pagehelper.PageException: 初始化 helper [mysql ]时出错:mysql 104 at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:121) 105 at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:75) 106 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1564) 107 ... 72 more 108 109 110 java.lang.IllegalStateException: Failed to load ApplicationContext 111 112 at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:124) 113 at org.springframework.test.context.support.DefaultTestContext.getApplicationContext(DefaultTestContext.java:83) 114 at org.springframework.test.context.web.ServletTestExecutionListener.setUpRequestContextIfNecessary(ServletTestExecutionListener.java:189) 115 at org.springframework.test.context.web.ServletTestExecutionListener.prepareTestInstance(ServletTestExecutionListener.java:131) 116 at org.springframework.test.context.TestContextManager.prepareTestInstance(TestContextManager.java:230) 117 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.createTest(SpringJUnit4ClassRunner.java:228) 118 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner$1.runReflectiveCall(SpringJUnit4ClassRunner.java:287) 119 at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) 120 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.methodBlock(SpringJUnit4ClassRunner.java:289) 121 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:247) 122 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.runChild(SpringJUnit4ClassRunner.java:94) 123 at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) 124 at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) 125 at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) 126 at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) 127 at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) 128 at org.springframework.test.context.junit4.statements.RunBeforeTestClassCallbacks.evaluate(RunBeforeTestClassCallbacks.java:61) 129 at org.springframework.test.context.junit4.statements.RunAfterTestClassCallbacks.evaluate(RunAfterTestClassCallbacks.java:70) 130 at org.junit.runners.ParentRunner.run(ParentRunner.java:363) 131 at org.springframework.test.context.junit4.SpringJUnit4ClassRunner.run(SpringJUnit4ClassRunner.java:191) 132 at org.junit.runner.JUnitCore.run(JUnitCore.java:137) 133 at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:68) 134 at com.intellij.rt.execution.junit.IdeaTestRunner$Repeater.startRunnerWithArgs(IdeaTestRunner.java:47) 135 at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:242) 136 at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:70) 137 Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'departmentServiceImpl': Unsatisfied dependency expressed through field 'departmentMapper'; nested exception is org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'departmentMapper' defined in file [E:Java_练习HSSMDEMO argetclassescomlidaoDepartmentMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSession' defined in class path resource [applicationContext.xml]: Cannot create inner bean 'com.github.pagehelper.PageInterceptor#70a9f84e' of type [com.github.pagehelper.PageInterceptor] while setting bean property 'plugins' with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.github.pagehelper.PageInterceptor#70a9f84e' defined in class path resource [applicationContext.xml]: Error setting property values; nested exception is org.springframework.beans.PropertyBatchUpdateException; nested PropertyAccessExceptions (1) are: 138 PropertyAccessException 1: org.springframework.beans.MethodInvocationException: Property 'properties' threw exception; nested exception is com.github.pagehelper.PageException: 初始化 helper [mysql ]时出错:mysql 139 at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:588) 140 at org.springframework.beans.factory.annotation.InjectionMetadata.inject(InjectionMetadata.java:88) 141 at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessPropertyValues(AutowiredAnnotationBeanPostProcessor.java:366) 142 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1264) 143 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553) 144 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) 145 at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) 146 at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) 147 at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) 148 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:197) 149 at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:761) 150 at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:866) 151 at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:542) 152 at org.springframework.test.context.web.AbstractGenericWebContextLoader.loadContext(AbstractGenericWebContextLoader.java:134) 153 at org.springframework.test.context.web.AbstractGenericWebContextLoader.loadContext(AbstractGenericWebContextLoader.java:61) 154 at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.delegateLoading(AbstractDelegatingSmartContextLoader.java:108) 155 at org.springframework.test.context.support.AbstractDelegatingSmartContextLoader.loadContext(AbstractDelegatingSmartContextLoader.java:251) 156 at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContextInternal(DefaultCacheAwareContextLoaderDelegate.java:98) 157 at org.springframework.test.context.cache.DefaultCacheAwareContextLoaderDelegate.loadContext(DefaultCacheAwareContextLoaderDelegate.java:116) 158 ... 24 more 159 Caused by: org.springframework.beans.factory.UnsatisfiedDependencyException: Error creating bean with name 'departmentMapper' defined in file [E:Java_练习HSSMDEMO argetclassescomlidaoDepartmentMapper.class]: Unsatisfied dependency expressed through bean property 'sqlSessionFactory'; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSession' defined in class path resource [applicationContext.xml]: Cannot create inner bean 'com.github.pagehelper.PageInterceptor#70a9f84e' of type [com.github.pagehelper.PageInterceptor] while setting bean property 'plugins' with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.github.pagehelper.PageInterceptor#70a9f84e' defined in class path resource [applicationContext.xml]: Error setting property values; nested exception is org.springframework.beans.PropertyBatchUpdateException; nested PropertyAccessExceptions (1) are: 160 PropertyAccessException 1: org.springframework.beans.MethodInvocationException: Property 'properties' threw exception; nested exception is com.github.pagehelper.PageException: 初始化 helper [mysql ]时出错:mysql 161 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1357) 162 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1249) 163 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553) 164 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) 165 at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) 166 at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) 167 at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) 168 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) 169 at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:208) 170 at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1138) 171 at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066) 172 at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:585) 173 ... 42 more 174 Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sqlSession' defined in class path resource [applicationContext.xml]: Cannot create inner bean 'com.github.pagehelper.PageInterceptor#70a9f84e' of type [com.github.pagehelper.PageInterceptor] while setting bean property 'plugins' with key [0]; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.github.pagehelper.PageInterceptor#70a9f84e' defined in class path resource [applicationContext.xml]: Error setting property values; nested exception is org.springframework.beans.PropertyBatchUpdateException; nested PropertyAccessExceptions (1) are: 175 PropertyAccessException 1: org.springframework.beans.MethodInvocationException: Property 'properties' threw exception; nested exception is com.github.pagehelper.PageException: 初始化 helper [mysql ]时出错:mysql 176 at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:313) 177 at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:122) 178 at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveManagedArray(BeanDefinitionValueResolver.java:370) 179 at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveValueIfNecessary(BeanDefinitionValueResolver.java:153) 180 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1531) 181 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1276) 182 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553) 183 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) 184 at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:306) 185 at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:230) 186 at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:302) 187 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:202) 188 at org.springframework.beans.factory.config.DependencyDescriptor.resolveCandidate(DependencyDescriptor.java:208) 189 at org.springframework.beans.factory.support.DefaultListableBeanFactory.doResolveDependency(DefaultListableBeanFactory.java:1138) 190 at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:1066) 191 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.autowireByType(AbstractAutowireCapableBeanFactory.java:1342) 192 ... 53 more 193 Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.github.pagehelper.PageInterceptor#70a9f84e' defined in class path resource [applicationContext.xml]: Error setting property values; nested exception is org.springframework.beans.PropertyBatchUpdateException; nested PropertyAccessExceptions (1) are: 194 PropertyAccessException 1: org.springframework.beans.MethodInvocationException: Property 'properties' threw exception; nested exception is com.github.pagehelper.PageException: 初始化 helper [mysql ]时出错:mysql 195 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1568) 196 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:1276) 197 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:553) 198 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:483) 199 at org.springframework.beans.factory.support.BeanDefinitionValueResolver.resolveInnerBean(BeanDefinitionValueResolver.java:299) 200 ... 68 more 201 Caused by: org.springframework.beans.PropertyBatchUpdateException; nested PropertyAccessExceptions (1) are: 202 PropertyAccessException 1: org.springframework.beans.MethodInvocationException: Property 'properties' threw exception; nested exception is com.github.pagehelper.PageException: 初始化 helper [mysql ]时出错:mysql 203 at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:121) 204 at org.springframework.beans.AbstractPropertyAccessor.setPropertyValues(AbstractPropertyAccessor.java:75) 205 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.applyPropertyValues(AbstractAutowireCapableBeanFactory.java:1564) 206 ... 72 more 207 208 209 Process finished with exit code -1
原因：
@WebAppConfiguration默认扫描的是maven项目中的src/main/webapp中的配置文件，因为把所有的配置文件都放在src/main/resources中，所以才会报错，
需要重新指定配置文件：@WebAppConfiguration(value = "src/main/resources")
2.使用IDEA配置完SSM后，整体的配置结构图：
4.当Spring的IOC容器无法加载bean时，实在找不到错误就重新部署一下项目，有可能是某些jar包没有上传到服务器。
5.mybatis逆向工程
6.jQuery ajax
7.深入理解PageHelper