当你遇到“cannot acquire connection from data source”这一错误时,通常意味着你的应用程序无法从配置的数据源获取数据库连接。以下是一些可能的解决步骤,帮助你诊断和解决这个问题: 检查数据源配置信息是否正确: 确保你的应用程序中的数据源配置信息(如数据库URL、用户名、密码等)是正确的。以下是一个Java中的数据源配
That exception was logged by the Connection Adder thread and did not prevent one of the idle connections from being used. This exception would appear in your logs, but never reach your application. I suspect that your maximum connections is set to something like 90, and if minimumIdle is not...
2019-07-22 16:51:04.844 [HikariPool-1 connection adder] DEBUG com.zaxxer.hikari.pool.HikariPool - HikariPool-1 - Cannot acquire connection from data source com.microsoft.sqlserver.jdbc.SQLServerException: The driver could not establish a secure connection to SQL Server by using Secure Sockets La...
一、在mysql数据库的my.ini文件中添加 允许最大连接数: max_connections=1000 二、在c3p0的xml文件中添加如下配置如图 1**.breakAfterAcquireFailure=false**,为true会导致连接池占满后不提供服务。所以必须为false 2.acquireRetryAttempts=10,获取连接失败时重试10次,默认重试30次,减少重试次数。 ... ...
java.sql.SQLException: Connections could not be acquired from the underlying database!com.mchange.v2.sql.SqlUtils.toSQLException(SqlUtils.java:118)com.mchange.v2.c3p0.impl.C3P0PooledConnectionPool.checkoutPooledConnection(C3P0PooledConnectionPool.java:692)com.mchange.v2.c3p0.impl.AbstractPoolBackedDataS...
] with root causecom.mchange.v2.resourcepool.CannotAcquireResourceException: A ResourcePool could not acquire a resource from its primary factory or source.请参照如下解决方案 检查数据库服务是否启动 1 进入控制面板，找到管理工具 2 点击服务，查找Mysql后台服务 3 可以看到当前服务并不有启动，右击选择【...
DTS_E_CONNECTIONSTRINGFORMAT Field DTS_E_CONNECTIONTERMINATED Field DTS_E_CONNECTIONVALIDATIONFAILED Field DTS_E_CONNECTREQUIREDFORMETADATAVALIDATION Field DTS_E_CONNECTTOSERVERFAILED Field DTS_E_COULD_NOT_DETERMINE_DATASOURCE_DBMSNAME Field DTS_E_COULDNOTCREATECOPYBUFFER Field DTS_E_COULDNOTFINDINPUTBUFF...
Error Cannot Acquire Connection From Connection Manager Error Casting String to Date Error Code 0xC0047020 Error Code -1071607685 in SSIS error code 0xC020801C Error code: 0x80004005 when executing an SSIS package with a SQL Server database as a data source where I have read only access Error...
DTS_E_CACHELOADEDFROMFILE 欄位 DTS_E_CACHERELOADEDDIFFERENTFILES 欄位 DTS_E_CANCELRECEIVED 欄位 DTS_E_CANNOTACCESSDTSAPPLICATIONOBJECT 欄位 DTS_E_CANNOTACQUIRECONNECTIONFROMCONNECTIONMANAGER 欄位 DTS_E_CANNOTACQUIREMANAGEDCONNECTIONFROMCONNECTIONMANAGER 欄位 DTS_E_CANNOTCLONECONNECTIONMANAGER 欄位 DTS_E...
Clearing pending acquires. While trying to acquire a needed new resource, we failed to succeed more than the maximum number of allowed acquisition attempts (30). Last acquisition attempt exception: com.mysql.jdbc.exceptions.jdbc4.MySQLNonTransientConnectionException: Data source rejected establishment ...