java异常解决方案.docVIP

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: Dont change the reference to a collection with cascade=all-delete-orphan: entity.Klass.students; nested exception is org.hibernate.HibernateException: Dont 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/WEB-INF/lib