解决办法：删除之前判断是否为空

if(Object  != null){

    session.delete(Object);

}

attempt to create delete event with null entity的更多相关文章

  1. 异常java.lang.IllegalArgumentException：attempt to create delete event with null entity

    异常java.lang.IllegalArgumentException:attempt to create delete event with null entity解决:路径问题,前台jsp和ja ...

  2. 错误信息:attempt to create saveOrUpdate event with null entity

    错误信息:attempt to create saveOrUpdate event with null entity; 这个错误网上答案比较多,我也不多说了. 我遇到的问题是在前台传过来的参数是nul ...

  3. java.lang.IllegalArgumentException: attempt to create saveOrUpdate event with null entity

    今天想把ssh整合的代码跑起来,控制台就一直在报错,搞了半天!!! Hibernate: select computer0_.computerId as computer1_0_, computer0 ...

  4. Deepin Create/Delete Folder refresh

    Did u have a problem whth the deepin file manager,Everthime I create/delete a Folder of File i have ...

  5. Setting an Event to Null

    I have a code like this: public class SomeClass { int _processProgress; public int ProcessProgress { ...

  6. "sc.exe create/delete" - Create or Delete Services

    "sc.exe" can also be used to create and delete services. If you want to create a new servi ...

  7. 'Attempt to create two animations for cell' iOS

    我是在对一个UITableView 一起进行 reloadRows和reloadSections 的操作的时候 出现的

  8. dojo处理删除操作报错

    1.错误描写叙述    java.lang.IllegalArgumentException:attempt to create delete event with null entity. 2.错误 ...

  9. Hibernate异常：IllegalArgumentException

    异常信息: java.lang.IllegalArgumentException: attempt to create delete event with null entity at org.hib ...

随机推荐

  1. Zabbix结合Grafana绘图

    参考网站: https://www.jianshu.com/p/6eec985c5c94 注意事项: 1.在ganafa添加datasource的时候url写成http://10.116.33.116 ...

  2. 5.log4j报错

    java.lang.UnsupportedClassVersionError: org/apache/log4j/Logger : Unsupported major.minor version 51 ...

  3. 简单的socket_server 和 socket_client(实现文件的上传功能）

    socket_server 客户端程序 import socket, os, json class Ftcplient(object): def __init__(self): "" ...

  4. mavenLocal默认地址转移

    maven的默认本地仓库为 USER_HOME/.m2/ windows开发我们大多不会讲本地仓库放在c盘下,而是重新指定了另一个存储位置. 在gradle中 使用 mavenLocal() 时的查找 ...

  5. 22 网络编程--TCP和UDP实现聊天例子

    1.TCP简单的一次对话,单通信 客户端: import socket HOST = 'localhost' PORT = 50006 client = socket.socket(socket.AF ...

  6. Mysql日期时间Extract函数介绍

    MySQL日期时间Extract函数的优点在于可以选取日期时间的各个部分,从年一直到微秒,让我们对MySQL日期时间的处理更为轻松. MySQL 日期时间 Extract(选取)函数.1. 选取日期时 ...

  7. hibernate注解主键生成策略

    Id生成策略: @GeneratedValue,JPA通用策略生成器 . JPA提供的四种标准用法为TABLE,SEQUENCE,IDENTITY,AUTO.  TABLE:使用一个特定的数据库表格来 ...

  8. 【转载】Apache Jena TDB CRUD operations

    Apache Jena TDB CRUD operations June 11, 2015 by maltesander http://tutorial-academy.com/apache-jena ...

  9. gerp , sed , awk

    gerp 查找, sed 编辑, awk 根据内容分析并处理. awk(关键字:分析&处理) 一行一行的分析处理 awk '条件类型1{动作1}条件类型2{动作2}' filename, aw ...

  10. 吴裕雄 数据挖掘与分析案例实战（7）——岭回归与LASSO回归模型

    # 导入第三方模块import pandas as pdimport numpy as npimport matplotlib.pyplot as pltfrom sklearn import mod ...