javax.servlet.ServletException: javax/servlet/jsp/SkipPageException 重启tomcat,

javax.servlet.ServletException: Connection reset 重启tomcat

org.apache.jasper.JasperException: javax/transaction/Synchronization 将jta.jar复制到tomcat的lib目录下，再重启tomcat

com.microsoft.sqlserver.jdbc.SQLServerException: Violation of PRIMARY KEY constraint 'PK_Notebook'. Cannot insert duplicate key in object 'dbo.Notebook'. 插入的数据中的元素的主键值与数据库中的主键值相同，

（以上为个人经历，尚在更新…）