原文博客链接地址:数据库open报错ORA-01555: snapshot too old 今天正在东莞蜜月的时候.一个学生说他管理的測试库出问题了,无法open,我们先来看看是什么问题: Recovery of Online Redo Log: Thread 1 Group 4 Seq 4 Reading mem 0 Mem# 0: /onlinelog/shr/redo04.log Completed redo application of 0.00MB Completed crash re…
1.数据库启动报错: ORA-: out of memory SQL> startup pfile='/db/oracle/init.ora'; ORA-: out of memory Linux-x86_64 Error: : No space left on device Additional information: - Additional information: .内存不足?查看操作系统内存: $ free -h total used free shared buffers cach…
今天我在一个操作两个数据库的SSH里 同时插入1条数据 报错 Illegal attempt to associate a collection with two open sessions 在这里有答案:http://fuaotech.iteye.com/blog/1298826 使用hibenate的merge方法代替save.update等方法. merge和saveOrUpdate方法区别在于:merge方法是把我们提供的对象转变为托管状态的对象:而saveOrUpdate则是把我们提供…
今天修改oracle数据库内存时, alter system set memory_max_target=10240M scope=spfile;语句正确修改:但重启时却报错 : SQL> alter system set memory_max_target=10240M scope=spfile; System altered. SQL> shutdown immediateDatabase closed.Database dismounted.ORACLE instance shut do…
前提: 使用Django自带的test进行单元测试. 问题描述: 运行:python manage.py test,报错,出现数据库乱码的现象,报错如下: Creating test database for alias 'default'... Got an error creating the test database: (1007, u"Can't create database 'test_yd_zy_bank'; database exists") Type 'yes' i…
1.链接sql server数据库报错 错误连接数据库 [My_vm_win_sql] : org.pentaho.di.core.exception.KettleDatabaseException:Error occurred while trying to connect to the database Driver class 'net.sourceforge.jtds.jdbc.Driver' could not be found, make sure the 'MS SQL Serve…
在没有配置数据库的时候, 直接启动springBoot 项目 会有报错 Description: Failed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured. Reason: Failed to determine a suitable driver class 这是因为springBoot 在启动的时候, spring boot…
查询任何一条语句都显示 The table '/home/mysql/data3015/tmp/#sql_13975_23' is full 查看了下数据库利用磁盘空间没有满, 阿里云的处理方式: 1. 出现这个错误信息的原因 在SQL查询进行 group by.order by.distinct.union.多表更新.group_concat.count(distinct).子查询或表连接的情况下,MySQL 有可能会使用内部临时表.MySQL 首先在内存中创建 Memory 引擎临时表,当临…
11.2.0.2,expdp报错: ORA-39126: Worker unexpected fatal error in KUPW$WORKER.GET_TABLE_DATA_OBJECTS []ORA-31642: the following SQL statement fails:BEGIN "SYS"."DBMS_CUBE_EXP".SCHEMA_CALLOUT(:1,0,1,'11.02.00.00.00'); END;ORA-06512: at &quo…
报错信息如下: [root@166 bin]# mongoMongoDB shell version v3.4.6-22-ga109a23connecting to: mongodb://127.0.0.1:270172017-10-16T10:57:28.624+0800 W NETWORK [thread1] Failed to connect to 127.0.0.1:27017, in(checking socket for error after poll), reason: Conn…
数据库rac启动时报错,日志例如以下,后来使用 Sat Jun 7 06:02:11 2014 GATHER_STATS_JOB encountered errors. Check the trace file. Sat Jun 7 06:02:11 2014 Errors in file /oracle/product/admin/dqb/bdump/dqb2_j001_13352.trc: ORA-08103: object no longer exists Sat Jun 7 06…