PooledConnection has already been closed 这个错误通常表示在尝试使用一个已经被关闭的数据库连接时发生了异常。为了解决这个问题,我们可以从以下几个方面进行排查和修复: 1. 确认错误信息来源 首先,确认这个错误信息是在什么情况下触发的。是在执行某个特定的数据库操作时出现的,还是在程序的其他部分?这有助于我们定位问题的具体
我有一个Grails 3.1.12应用程序并使用Oracle DB。在运行以下代码Snippet1和Code Snippet2时,我将获得“池畔连接已经关闭”异常。 Snippet 1和Snippet 2工作,间歇性地提供池畔连接的例外。一些stackoverflow链接建议将DataSource类型更改为C3P0解决了问题,但这对我不起作用。我正在努力了解导致这个问题的原因,有什么建议...
于是有人基于Groovy做了Grails，可以理解为Grails = Rails on Groovy。Groovy是JVM三大衍生语言之一，相对...
The physical connection is not closed until the connection pool manager calls thePooledConnectionmethodclose. This method is generally called to have an orderly shutdown of the server or if a fatal error has made the connection unusable.
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The physical connection is not closed until the connection pool manager calls the PooledConnection method close. This method is generally called to have an orderly shutdown of the server or if a fatal error has made the connection unusable. ...
IPooledConnection 属性 方法 AddConnectionEventListener AddStatementEventListener Close RemoveConnectionEventListener RemoveStatementEventListener IRowSet IRowSetInternal IRowSetListener IRowSetMetaData IRowSetReader IRowSetWriter IStatementEventListener RowSetEvent ...
Removes the specifiedStatementEventListenerfrom the list of components that will be notified when the driver detects that aPreparedStatementhas been closed or is invalid. Added in 1.6. Java documentation forjavax.sql.PooledConnection.removeStatementEventListener(javax.sql.StatementEventListener). ...