2016-10-21 14:41:47,551 [ERROR] [http-nio-8032-exec-2] TransactionSynchronizationUtils:171 - TransactionSynchronization.afterCompletion threw exceptionorg.springframework.dao.InvalidDataAccessApiUsageException: No ongoing transaction. Did you forget…

场景:需要存两条数据到redis中,并且两条要么都存要么都不存,需要事务来控制 Spring Data Redis的RedisTemplate提供了MULTI.EXEC命令进行封装,远看可以解决问题,代码实现: redisOperations.multi(); redisOperations.opsForHash().put("xxx", field, hashValue); redisOperations.opsForSet().add(key,setvalue); redisOpe…

Data play an important part in our project,how can we ensure correctness of the data and prevent the data from error.In relational database, we are famillar with the usage of transaction. begin opreations commit/rollback But there are some difference…

本文为我阅读了 redis参考手册 之后编写,注意 php_redis 和 redis-cli 的区别(主要是返回值类型和参数用法) 目录: Transaction(事务) WATCH UNWATCH MULTI EXEC DISCARD Transaction(事务) 1.WATCH Redis Watch 命令用于监视一个(或多个) key ,如果在事务执行之前这个(或这些) key 被其他命令所改动,那么事务将被打断 语法: redis 127.0.0.1:6379> Watch 返回值:…

在ORACLE数据库当中,有时候会使用ALTER SYSTEM KILL SESSION 'sid,serial#'杀掉一个会话进程,但是使用这个SQL语句杀掉会话后,数据库并不会立即释放掉相关的资源,有时候你会发现锁定的资源很长时间也不会释放,即使会话状态为"KILLED",依然会阻塞其它会话. 下面根据Eygel的"Oracle中Kill session的研究",构造一个案例看看kill session到底做了什么.如下所示 会话1: SQL> conn…

原文地址:http://blog.jhades.org/how-does-spring-transactional-really-work/ In this post we will do a deep dive into Spring transaction management. We will go over on how does @Transactional really works under the hood. Other upcoming posts will include:…

转载:http://www.cnblogs.com/kerrycode/p/4034231.html 在ORACLE数据库当中,有时候会使用ALTER SYSTEM KILL SESSION 'sid,serial#'杀掉一个会话进程,但是使用这个SQL语句杀掉会话后,数据库并不会立即释放掉相关的资源,有时候你会发现锁定的资源很长时间也不会释放,即使会话状态为“KILLED”,依然会阻塞其它会话. 下面根据Eygel的"Oracle中Kill session的研究",构造一个案例看看k…

一.结构 二.model层 1. package org.jpwh.model.helloworld; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; /* Every persistent entity class must have at least th…

Part I reference from:http://gridgain.blogspot.kr/2014/09/two-phase-commit-for-distributed-in.html 2-Phase-Commit is probably one of the oldest consensus protocols and is known for its deficiencies when it comes to handling failures, as it may indefi…

本文转载自 http://www.ietf.org/rfc/rfc3261.txt 中文翻译可参考 http://wenku.baidu.com/view/3e59517b1711cc7931b71654.html Network Working Group J. Rosenberg Request for Comments: 3261 dynamicsoft Obsoletes: 2543 H. Schulzrinne Category: Standards Track Columbia U.…