java异常解决方案

java异常解决方案

一、Hibernate

(1)org.hibernate.TransientObjectException: object references an unsaved transient instance
(2)org.springframework.orm.hibernate3.HibernateSystemException: Don't change the reference to a collection with cascade="all-delete-orphan": entity.Klass.students; nested exception is org.hibernate.HibernateException: Don't change the reference to a collection with cascade="all-delete-orphan": entity.Klass.students

二、Tomcat

(1)tomcat启动时报错：java.io.EOFException
(2)tomcat内存溢出

三、JAVA基本

(1)java.lang.ClassCastException:
(2)java.lang.UnsupportedClassVersionError: Bad version number in .class file

四、JSP

(1)javax.servlet.jsp.JspException:
(2)org.apache.jasper.JasperException: Unable to compile class for JSP:
(3)Servlet.service() for servlet jsp threw exception java.lang.Error: Unresolved compilation problem:
(4)java.lang.Error: Unresolved compilation problem:The method contextInitialized(ServletContextEvent) of type CreateDataSourceTableListener must override a superclass method
(5)Servlet.service() for servlet jsp threw exception java.lang.Error: Unresolved compilation problem:
The method setCharacterEncoding(String) is undefined for the type ServletResponse

五、SSH整合

(1)java.lang.ClassNotFoundException: org.springframework.web.context.ContextLoaderListener
(2)Exception starting filter struts2 Class: com.opensymphony.xwork2.spring.SpringObjectFactory File: SpringObjectFactory.java Method: getClassInstance
(3)(7)(8)org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'biz' defined in class path...
(4)Exception starting filter struts2
The action name cannot be the same as the action suffix [Action] - Class: org.apache.struts2.convention.SEOActionNameBuilder
(5)avax.management.RuntimeErrorException: Error thrown in preDeregister method
Caused by: java.lang.NoClassDefFoundError: org/apache/struts2/util/ObjectFactoryDestroyable
(6)Unable to load configuration. - bean - jar:file:/D:/Tomcat/tomcat/apache-tomcat-6.0.30/webapps/test/WE