1.
org.hibernate.id.IdentifierGenerationException: ids for this class must be manually assigned before calling save():
原因:元素配置不正确,元素缺少其子元素的配置。解决方法:元素映射了相应数据库表的主键字段,对其子元素,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
4.
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
原因: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
5.
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
6.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
原因:
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
7.
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
原因:没加 spring 2.0 aop libraries
8.
org.apache.jasper.JasperException: Unable to compile class for JSP:
原因:jsp网页中的java代码有问题
9.
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?
原因:
控制器没继承MultiActionController
10.
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
11.
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,没有给赋值
12.
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com/serializ/Instruction.hbm.xml
13.
java.sql.SQLException: Field 'userId' doesn't have a default value
原因:把配置文件的主键改为 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的影响了。
14.
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!