SQLite异常 qAdmin: Cannot perform this operation on a closed dataset. 当使用 SQLite administrator,打开SQLite 数据库,抛出如下异常, SQLite异常 qAdmin: Cannot perform this operation on a closed dataset. 当出现这种情况时,请查看你的.db数据库 的路径是否有中文字符,如果有,把db数据库移到其他英文路径下即可…

一.CRM 2011 快速查找,输入编号的签名几个字母发现查询很慢. 图 1 当然在图1 上右边的出入框输入编号的部分的时候,有时候会发现数据在加载中..,非常慢,通过Crm Trace Log Viewer工具监控这个,打开日志发现: Crm Exception: Message: QuickFindQueryRecordLimit exceeded. Cannot perform this operation., ErrorCode: -2147164124. 通过设置—>管理—> 系统设…

最近在开发一个 App 的时候用到了数据库,可是在使用数据库的时候就出现了一些问题,在我查询表中的一些信息时出现了一下问题: Caused by: java.lang.IllegalStateException: Cannot perform this operation because the connection pool has been closed. at android.database.sqlite.SQLiteConnectionPool.throwIfClosedLocked(…

系统启动,一段时间不操作,然后在来操作时,报错如下: Caused by: java.sql.SQLException: Couldn't perform the operation getAutoCommit: You can't perform any operations on this connection. It has been automatically closed by Proxool for some reason (see logs). at org.logicalcobw…

Table   does not have the identity property. Cannot perform SET operation. 解决:   set IDENTITY_INSERT [你的表名] on  注释掉这句. 因为之前可能是自增的主键.现在不是自增的了...导致报错...…

参考链接:https://www.cnblogs.com/daryl/archive/2017/10/13/7645749.html 全部步骤和参考链接相同. 前八部都正常,在第九步会报错Error: unable to perform an operation on node 'rabbit1@ClusterNode1',具体如下图: ping ClusterNode1结果正常: rabbitmqctl-ClusterNode1.bat运行命令基本都会报与stop_app相同的错误. 查网上e…

Microsoft SQL Server 5030错误解决办法 今天在使用SQL Server时,由于之前创建数据库忘记了设置Collocation,数据库中插入中文字符都是乱码,于是到DataBase的Options中修改Collocation,出现了The database could not be exclusively locked to perform the operation这个错误,无法修改字符集为Chinese_PRC_90_CI_AS. 解决办法找了很久才找到,如下: 1.执…

C:\Program Files\RabbitMQ Server\rabbitmq_server-3.7.4\sbin>rabbitmqctl list_queues Error: unable to perform an operation on node 'rabbit@xxxxxxx'. Please see diagnostics information and suggestions below. Most common reasons for this are: * Target n…

在搭建rabbitmq集群的时候,添加内存节点时,抛出异常:Error: unable TO perform an operation ON node 'rabbit@test3'. Please see diagnostics information AND suggestions below. 首先,假设当前服务器为A,我们在A服务器执行rabbitmqctl join_cluster rabbit@B --ram,就是说我们要将A服务器作为内存节点加入到B中,然后执行这个命令报了上述的错误…

Mysql异常:MySQLNonTransientConnectionException: No operations allowed after statement closed MySQLNonTransientConnectionException: No operations allowed after statement closed 之所以会出现这个异常,是因为Mysql在5以后针对超长时间DB连接做了一个处理,那就是如果一个DB连接在无任何操作情况下过了8个小时后,Mysql会自动…