ibatis Cause: java.lang.ClassNotFoundException: Integer

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最新推荐文章于 2021-07-04 19:31:12 发布
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太无语的问题了，在myeclipse可以运行，在tomcat下运行不了。原来是没有把lib加到build path里。

 

2011-11-18 18:16:37 ERROR Thread-1 com.doshine.platform.dras.dao.ibatis.DdcSqlMapFactory - com.ibatis.common.exception.NestedRuntimeException: Error occurred.  Cause: com.ibatis.common.xml.NodeletException: Error parsing XML.  Cause: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMapConfig/sqlMap'.  Cause: com.ibatis.common.xml.NodeletException: Error parsing XML.  Cause: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMap/select'.  Cause: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMap/select'.  Cause: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.common.xml.NodeletException: Error parsing XML.  Cause: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMap/select'.  Cause: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMap/select'.  Cause: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMapConfig/sqlMap'.  Cause: com.ibatis.common.xml.NodeletException: Error parsing XML.  Cause: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMap/select'.  Cause: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMap/select'.  Cause: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.common.xml.NodeletException: Error parsing XML.  Cause: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMap/select'.  Cause: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMap/select'.  Cause: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.common.xml.NodeletException: Error parsing XML.  Cause: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMapConfig/sqlMap'.  Cause: com.ibatis.common.xml.NodeletException: Error parsing XML.  Cause: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMap/select'.  Cause: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMap/select'.  Cause: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.common.xml.NodeletException: Error parsing XML.  Cause: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMap/select'.  Cause: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMap/select'.  Cause: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMapConfig/sqlMap'.  Cause: com.ibatis.common.xml.NodeletException: Error parsing XML.  Cause: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMap/select'.  Cause: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMap/select'.  Cause: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.common.xml.NodeletException: Error parsing XML.  Cause: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMap/select'.  Cause: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.common.exception.NestedRuntimeException: Error parsing XPath '/sqlMap/select'.  Cause: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
Caused by: com.ibatis.sqlmap.client.SqlMapException: Error.  Could not set result class.  Cause: java.lang.ClassNotFoundException: Integer
Caused by: java.lang.ClassNotFoundException: Integer
2011-11-18 18:16:37 ERROR Thread-1 org.springframework.web.context.ContextLoader - Context initialization failed
org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'adminAction': Autowiring of fields failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.doshine.platform.dras.service.UsersService com.doshine.platform.dras.action.admin.AdminAction.usersService; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'usersServiceImpl': Autowiring of fields failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.doshine.platform.dras.dao.SAduserDao com.doshine.platform.dras.service.impl.UsersServiceImpl.aduserDao; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'SAduserDaoImpl' defined in file [C:\Tomcat6\webapps\DRAS_SH\WEB-INF\classes\com\doshine\platform\dras\dao\impl\SAduserDaoImpl.class]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Property 'sqlMapClient' is required
 at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessAfterInstantiation(AutowiredAnnotationBeanPostProcessor.java:243)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:959)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:472)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
 at java.security.AccessController.doPrivileged(Native Method)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
 at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
 at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
 at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
 at org.springframework.beans.factory.support.DefaultListableBeanFactory.preInstantiateSingletons(DefaultListableBeanFactory.java:429)
 at org.springframework.context.support.AbstractApplicationContext.finishBeanFactoryInitialization(AbstractApplicationContext.java:728)
 at org.springframework.context.support.AbstractApplicationContext.refresh(AbstractApplicationContext.java:380)
 at org.springframework.web.context.ContextLoader.createWebApplicationContext(ContextLoader.java:255)
 at org.springframework.web.context.ContextLoader.initWebApplicationContext(ContextLoader.java:199)
 at org.springframework.web.context.ContextLoaderListener.contextInitialized(ContextLoaderListener.java:45)
 at org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:3843)
 at org.apache.catalina.core.StandardContext.start(StandardContext.java:4342)
 at org.apache.catalina.core.ContainerBase.addChildInternal(ContainerBase.java:791)
 at org.apache.catalina.core.ContainerBase.addChild(ContainerBase.java:771)
 at org.apache.catalina.core.StandardHost.addChild(StandardHost.java:525)
 at org.apache.catalina.startup.HostConfig.deployWAR(HostConfig.java:830)
 at org.apache.catalina.startup.HostConfig.deployWARs(HostConfig.java:719)
 at org.apache.catalina.startup.HostConfig.deployApps(HostConfig.java:490)
 at org.apache.catalina.startup.HostConfig.start(HostConfig.java:1149)
 at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:311)
 at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:117)
 at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1053)
 at org.apache.catalina.core.StandardHost.start(StandardHost.java:719)
 at org.apache.catalina.core.ContainerBase.start(ContainerBase.java:1045)
 at org.apache.catalina.core.StandardEngine.start(StandardEngine.java:443)
 at org.apache.catalina.core.StandardService.start(StandardService.java:516)
 at org.apache.catalina.core.StandardServer.start(StandardServer.java:710)
 at org.apache.catalina.startup.Catalina.start(Catalina.java:578)
 at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
 at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
 at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
 at java.lang.reflect.Method.invoke(Unknown Source)
 at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:288)
 at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:413)
Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.doshine.platform.dras.service.UsersService com.doshine.platform.dras.action.admin.AdminAction.usersService; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'usersServiceImpl': Autowiring of fields failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.doshine.platform.dras.dao.SAduserDao com.doshine.platform.dras.service.impl.UsersServiceImpl.aduserDao; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'SAduserDaoImpl' defined in file [C:\Tomcat6\webapps\DRAS_SH\WEB-INF\classes\com\doshine\platform\dras\dao\impl\SAduserDaoImpl.class]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Property 'sqlMapClient' is required
 at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:435)
 at org.springframework.beans.factory.annotation.InjectionMetadata.injectFields(InjectionMetadata.java:105)
 at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessAfterInstantiation(AutowiredAnnotationBeanPostProcessor.java:240)
 ... 40 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'usersServiceImpl': Autowiring of fields failed; nested exception is org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.doshine.platform.dras.dao.SAduserDao com.doshine.platform.dras.service.impl.UsersServiceImpl.aduserDao; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'SAduserDaoImpl' defined in file [C:\Tomcat6\webapps\DRAS_SH\WEB-INF\classes\com\doshine\platform\dras\dao\impl\SAduserDaoImpl.class]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Property 'sqlMapClient' is required
 at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessAfterInstantiation(AutowiredAnnotationBeanPostProcessor.java:243)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.populateBean(AbstractAutowireCapableBeanFactory.java:959)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:472)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
 at java.security.AccessController.doPrivileged(Native Method)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
 at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
 at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
 at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
 at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:671)
 at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:610)
 at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:412)
 ... 42 more
Caused by: org.springframework.beans.factory.BeanCreationException: Could not autowire field: private com.doshine.platform.dras.dao.SAduserDao com.doshine.platform.dras.service.impl.UsersServiceImpl.aduserDao; nested exception is org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'SAduserDaoImpl' defined in file [C:\Tomcat6\webapps\DRAS_SH\WEB-INF\classes\com\doshine\platform\dras\dao\impl\SAduserDaoImpl.class]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Property 'sqlMapClient' is required
 at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:435)
 at org.springframework.beans.factory.annotation.InjectionMetadata.injectFields(InjectionMetadata.java:105)
 at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor.postProcessAfterInstantiation(AutowiredAnnotationBeanPostProcessor.java:240)
 ... 55 more
Caused by: org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'SAduserDaoImpl' defined in file [C:\Tomcat6\webapps\DRAS_SH\WEB-INF\classes\com\doshine\platform\dras\dao\impl\SAduserDaoImpl.class]: Invocation of init method failed; nested exception is java.lang.IllegalArgumentException: Property 'sqlMapClient' is required
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1338)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.doCreateBean(AbstractAutowireCapableBeanFactory.java:473)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory$1.run(AbstractAutowireCapableBeanFactory.java:409)
 at java.security.AccessController.doPrivileged(Native Method)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.createBean(AbstractAutowireCapableBeanFactory.java:380)
 at org.springframework.beans.factory.support.AbstractBeanFactory$1.getObject(AbstractBeanFactory.java:264)
 at org.springframework.beans.factory.support.DefaultSingletonBeanRegistry.getSingleton(DefaultSingletonBeanRegistry.java:222)
 at org.springframework.beans.factory.support.AbstractBeanFactory.doGetBean(AbstractBeanFactory.java:261)
 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:185)
 at org.springframework.beans.factory.support.AbstractBeanFactory.getBean(AbstractBeanFactory.java:164)
 at org.springframework.beans.factory.support.DefaultListableBeanFactory.findAutowireCandidates(DefaultListableBeanFactory.java:671)
 at org.springframework.beans.factory.support.DefaultListableBeanFactory.resolveDependency(DefaultListableBeanFactory.java:610)
 at org.springframework.beans.factory.annotation.AutowiredAnnotationBeanPostProcessor$AutowiredFieldElement.inject(AutowiredAnnotationBeanPostProcessor.java:412)
 ... 57 more
Caused by: java.lang.IllegalArgumentException: Property 'sqlMapClient' is required
 at org.springframework.orm.ibatis.SqlMapClientTemplate.afterPropertiesSet(SqlMapClientTemplate.java:147)
 at org.springframework.orm.ibatis.support.SqlMapClientDaoSupport.checkDaoConfig(SqlMapClientDaoSupport.java:108)
 at org.springframework.dao.support.DaoSupport.afterPropertiesSet(DaoSupport.java:44)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.invokeInitMethods(AbstractAutowireCapableBeanFactory.java:1369)
 at org.springframework.beans.factory.support.AbstractAutowireCapableBeanFactory.initializeBean(AbstractAutowireCapableBeanFactory.java:1335)
 ... 69 more

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Cause: java.sql.SQLException: java.lang.ClassCastException: java.lang.Long cannot be cast to java.lang.Integer
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引用: java.lang.ClassCastException: java.math.BigInteger cannot be cast to java.lang.Long 引用: 在执行时出现类型转换错误：java.lang.ClassCastException: java.lang.Integer cannot be cast to java.lang.Long 引用: org.apache.ibatis.exceptions.PersistenceException: Error querying database. Cause: java.sql.SQLException: java.lang.ClassCastException: java.math.BigInteger cannot be cast to java.lang.Long 问题描述中提到的错误是java.lang.ClassCastException: java.lang.Long cannot be cast to java.lang.Integer，而不是java.lang.Long cannot be cast to java.lang.Integer。这个错误可能发生在数据库查询中，在执行查询时，将java.lang.Long类型错误地转换为java.lang.Integer类型。 要解决这个问题，可以考虑以下几个步骤： 1. 检查数据库表中相应的列的数据类型是否为java.lang.Integer类型，而不是java.lang.Long类型。如果列的数据类型为java.lang.Long，请将其更改为java.lang.Integer。 2. 检查数据库连接是否正确，确保数据库连接的配置与实际情况相符。 3. 检查MyBatis的映射文件中的查询语句，确保查询结果被正确地映射为java.lang.Integer类型。 4. 如果以上步骤都没有解决问题，可以考虑重新编译和构建项目，以确保所有依赖项和配置文件都正确地加载和使用。 需要注意的是，这只是一种可能的解决方法，具体的解决方案可能根据实际情况而异。<span class="em">1</span><span class="em">2</span><span class="em">3</span> #### 引用[.reference_title] - *1* *3* [java.lang.ClassCastException: java.math.BigInteger cannot be cast to java.lang.Long](https://blog.csdn.net/qq_36785719/article/details/90201942)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"] - *2* [关于hibernate执行select count( *) 出现java.lang.ClassCastException问题](https://blog.csdn.net/cekong0704/article/details/9944731)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v93^chatsearchT3_2"}}] [.reference_item style="max-width: 50%"] [ .reference_list ]
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