Cannot create PoolableConnectionFactory (Unknown database 'DB_NAME'): com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown database 'DB_NAME' Because, there was no Database scheme in the mysql database engine. So, to solve this: In cons…

1.错误描述 INFO:2015-05-01 14:20:44[main] - Initializing c3p0 pool... com.mchange.v2.c3p0.ComboPooledDataSource [ acquireIncrement -> 3, acquireRetryAttempts -> 30, acquireRetryDelay -> 1000, autoCommitOnClose -> false, automaticTestTable -> nu…

1.错误描述 2014-7-12 21:06:05 com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource getPoolManager 信息: Initializing c3p0 pool... com.mchange.v2.c3p0.ComboPooledDataSource [ acquireIncrement -> 3, acquireRetryAttempts -> 30, acquireRetryDelay -> 1000,…

com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: Unknown database 'test' 报错原因是:MySQL数据库没有 创建 test 数据库 解决办法:在MySQL中创建test:create database test…

cmd.exe运行别人的程序 C:\Python27\Python.exe E:\Django\Guest\Guest\manage.py runserver 提示 django.db.utils.InternalError: (1049, u"Unknown database 'guest_test'") 解决方法:创界对应数据库 C:\Windows\system32>mysql -u root -pEnter password: ****Welcome to the MyS…

当初刚装MySQL的时候,到网上查的命令行登陆MySQL的方法都是mysql -u root -p password mysql -r root -p 123456 但是奇怪的是这条命令我输进去死活都不对,它都会要求再输入一遍密码,然后返回 “ERROR 1049 (42000): Unknown database '123456'” 这个错误提示很明显,我们-P后面的password代表的是数据库名称.但-p这个参数,p应该代表的是password的意思啊之前这让我百思不得其解.之后我登陆My…

1.错误描写叙述 2014-7-12 21:06:05 com.mchange.v2.c3p0.impl.AbstractPoolBackedDataSource getPoolManager 信息: Initializing c3p0 pool... com.mchange.v2.c3p0.ComboPooledDataSource [ acquireIncrement -> 3, acquireRetryAttempts -> 30, acquireRetryDelay -> 100…

Andrey Devyatka 4 years ago Permalink Raw Message Hi,Please tell me, can I use the static library in the following case: library.hpp:#ifndef _CPP_ODB_STATIC_LIBRARY_CPP_#define _CPP_ODB_STATIC_LIBRARY_CPP_#include <odb/database.hxx>odb::database* cr…

Boris Kolpackov boris at codesynthesis.comFri May 31 11:13:02 EDT 2013 Previous message: [odb-users] Create schema error (unknown database schema '') Next message: [odb-users] Create schema error (unknown database schema '') Messages sorted by: [ dat…

org.apache.commons.dbcp.SQLNestedException: Cannot create PoolableConnectionFactory (Unknown database 'jdsc') 无法创建连接池,未知的数据库jdsc…