问题描述
我们的 JBoss 和 Oracle 位于不同的服务器上.连接似乎已断开并导致 JBoss 出现问题.如果在我们首先找出连接断开的原因时连接不好，我如何让 JBoss 重新连接到 Oracle?
We have our JBoss and Oracle on separate servers. The connections seem to be dropped and is causing issues with JBoss. How can I have the JBoss reconnect to Oracle if the connection is bad while we figure out why the connections are being dropped in the first place?
推荐答案
池上通常有一个配置选项，可以在借用时执行验证查询.如果验证查询成功执行，池将返回该连接.如果查询没有成功执行，池将创建一个新连接.
There is usually a configuration option on the pool to enable a validation query to be executed on borrow. If the validation query executes successfully, the pool will return that connection. If the query does not execute successfully, the pool will create a new connection.
JBoss Wiki 记录了池的各种属性.
The JBoss Wiki documents the various attributes of the pool.
<check-valid-connection-sql>select 1 from dual</check-valid-connection-sql>
似乎应该可以解决问题.
Seems like it should do the trick.
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