部分异常集锦

1. org.hibernate.id.IdentifierGenerationException: ids for this class must be manually assigned before calling save(): 原因：<id>元素配置不正确，<id>元素缺少其子元素<generator></generator>的配置。解决方法：<id>元素映射了相应数据库表的主键字段，对其子元素<generator class="">,其中class的取值可以为increment、identity、sequence、hilo、native......等，一般取其值为native 。 2. java.lang.IllegalArgumentException: id to load is required for loading 方案:Users user=(Users)this.getHibernateTemplate().get(Users.class, id);如果以用户名为参数不能用此方法 3. org.springframework.dao.InvalidDataAccessResourceUsageException: could not execute query; nested exception is org.hibernate.exception.SQLGrammarException: could not execute query 方案：sql语句有错误 ,还有可能Hibernate Mapping 中的catalog属性导制生成HQL时报错! 4. 严重: Error starting static Resources java.lang.IllegalArgumentException: Document base D:\Program Files\Apache Software Foundation\Tomcat 5.0\webapps\tomcat-docs does not exist or is not a readable directory 严重: Error in resourceStart() 2007-6-6 23:32:25 org.apache.catalina.core.StandardContext start 严重: Error getConfigured 2007-6-6 23:32:25 org.apache.catalina.core.StandardContext start 严重: Context startup failed due to previous errors 2007-6-6 23:32:25 org.apache.catalina.core.StandardContext start 严重: Exception during cleanup after start failed LifecycleException: Container StandardContext[/tomcat-docs] has not been started 5.jsf+spring+hibernate 严重: Exception sending context initialized event to listener instance of class org.springframework.web.context.ContextLoaderListener org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'dataSource' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Instantiation of bean failed; nested exception is java.lang.NoClassDefFoundError: org/apache/commons/pool/impl/GenericObjectPool Caused by: java.lang.NoClassDefFoundError: org/apache/commons/pool/impl/GenericObjectPool 严重: Error listenerStart 2007-6-8 10:31:55 org.apache.catalina.core.StandardContext start 严重: Context [/shj01] startup failed due to previous errors 2007-6-8 10:31:55 org.apache.catalina.core.ApplicationContext log 方案：spring-framework-2.0.5\lib\jakarta-commons下的commons-collections.jar commons-dbcp.jar   commons-pool.jar加载到工程去 6. 严重: Exception sending context initialized event to listener instance of class com.sun.faces.config.ConfigureListener javax.faces.FacesException: Can't parse configuration file:jar:file:/E:/工具/apache-tomcat-6.0.9/apache-tomcat-6.0.9/webapps/jsf02/WEB-INF/lib/jsf-impl.jar!/com/sun/faces/standard-html-renderkit.xml 方案：把tomcat的安装文件换了位置就没事了 7.spring MVC+hibernate 严重: StandardWrapper.Throwable org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'sessionFactory' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: Invocation of init method failed; nested exception is java.lang.NoSuchMethodError: org.objectweb.asm.ClassVisitor.visit(IILjava/lang/String;Ljava/lang/String;[Ljava/lang/String;Ljava/lang/String;)V Caused by: java.lang.NoSuchMethodError: org.objectweb.asm.ClassVisitor.visit(IILjava/lang/String;Ljava/lang/String;[Ljava/lang/String;Ljava/lang/String;)V 方案： 在使用Spring的AOP编程时，会用到这几个lib： asm-2.2.2.jar asm-commons-2.2.2.jar asm-util-2.2.2.jar Hibernate使用如果lib： asm.jar asm-attrs.jar 其中asm-2.2.2.jar与asm.jar存在类上的冲突！！！ 使用其中之一或两者都使用，可能会出现如下错误： java.lang.NoClassDefFoundError: org/objectweb/asm/CodeVisitor java.lang.NoClassDefFoundError: org/objectweb/asm/commons/EmptyVisitor java.lang.NoSuchMethodError: org.objectweb.asm.ClassVisitor.visit。。。。。。 解决办法是： 1.去掉类路径上的关于Hibernate的3个lib asm.jar asm-attrs.jar cglib-2.1.3.jar 2.加入Spring中的以下4个lib asm-2.2.2.jar asm-commons-2.2.2.jar asm-util-2.2.2.jar cglib-nodep-2.1_3.jar 8.spring MVC+hibernate Exception in thread "main" org.springframework.dao.InvalidDataAccessResourceUsageException: Could not execute JDBC batch update; nested exception is org.hibernate.exception.SQLGrammarException: Could not execute JDBC batch update Caused by: org.hibernate.exception.SQLGrammarException: Could not execute JDBC batch update 9. org.springframework.beans.factory.CannotLoadBeanClassException: Error loading class [org.springframework.transaction.interceptor.TransactionProxyFactoryBean] for bean with name 'userService' defined in ServletContext resource [/WEB-INF/applicationContext.xml]: problem with class file or dependent class; nested exception is java.lang.NoClassDefFoundError: org/springframework/aop/framework/AbstractSingletonProxyFactoryBean Caused by: java.lang.NoClassDefFoundError: org/springframework/aop/framework/AbstractSingletonProxyFactoryBean 方案：没加 spring 2.0 aop libraries 10. org.apache.jasper.JasperException: Unable to compile class for JSP: 方案：jsp网页中的java代码有问题 11. Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'CompanyController' defined in class path resource [com/company/test/company-config.xml]: Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'methodNameResolver' of bean class [com.company.action.CompanyController]: Bean property 'methodNameResolver' is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter? Caused by: org.springframework.beans.NotWritablePropertyException: Invalid property 'methodNameResolver' of bean class [com.company.action.CompanyController]: Bean property 'methodNameResolver' is not writable or has an invalid setter method. Does the parameter type of the setter match the return type of the getter? 控制器没继承MultiActionController 12. Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'turDiffService' defined in class path resource [com/expert/test/expert-config.xml]: Error setting property values; nested exception is org.springframework.beans.NotWritablePropertyException: Invalid property 'turDifficultDao' of bean class [com.expert.operation.impl.TurDiffSerImpl]: Bean property 'turDifficultDao' is not writable or has an invalid setter method. Did you mean 'truDifficultDao'? Caused by: org.springframework.beans.NotWritablePropertyException: Invalid property 'turDifficultDao' of bean class [com.expert.operation.impl.TurDiffSerImpl]: Bean property 'turDifficultDao' is not writable or has an invalid setter method. Did you mean 'truDifficultDao'? 原因： 在定义时TurDifficultDao turDifficultDao ，把有个字母写错，后发现错误，改过来了，但没把get() set()方法中对应的改过来 13. Exception in thread "main" org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'urlMapping' defined in class path resource [com/expert/test/expert-config.xml]: Initialization of bean failed; nested exception is org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named '' is defined Caused by: org.springframework.beans.factory.NoSuchBeanDefinitionException: No bean named '' is defined 原因： 在expert-config.xml中创建 <bean id="urlMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping"> <property name="mappings">    <props>         <prop key=""></prop>         </props> </property> </bean> 没有给<prop key=""></prop>赋值 14. org.springframework.orm.hibernate3.HibernateQueryException: Instruction is not mapped [from Instruction]; nested exception is org.hibernate.hql.ast.QuerySyntaxException: Instruction is not mapped [from Instruction] Caused by: org.hibernate.hql.ast.QuerySyntaxException: Instruction is not mapped [from Instruction] 原因：在data-config.xml中没加入<value>com/serializ/Instruction.hbm.xml</value> 15. java.sql.SQLException: Field 'userId' doesn't have a default value 原因：把配置文件的主键改为<generator class="assigned" /> 可以进行自定义主键值，因为我在设主键时没有设成自动增长的，要求填默认值是受了配置文件里<generator class="native"/>的影响了。 16.org.apache.jasper.JasperException: Unable to compile class for JSP 原因：jsp页面中的java代码括号不对称！