JDK1.6连接Oracle12C

最新推荐文章于 2025-03-11 12:45:34 发布

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最新推荐文章于 2025-03-11 12:45:34 发布

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分类专栏：问题解决文章标签：数据库 oracle

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在Jboss4.2应用环境下，使用JDK1.6.27尝试连接Oracle12C时遇到资源获取失败的问题。错误日志显示超过最大尝试次数无法获取数据库连接。尝试了调整连接串和部署ojdbc6.jar到相应目录未果。最终，通过修改Oracle的sqlnet.ora文件，设置SQLNET.ALLOWED_LOGON_VERSION_SERVER和SQLNET.ALLOWED_LOGON_VERSION_CLIENT为8，并重启监听服务解决了问题。

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JDK1.6连接Oracle12C

应用环境：Jboss4.2+JDK1.6.27+Oracle12C
应用启动后报错如下：

2023-06-16 11:37:48,422 INFO  [STDOUT] 2023-06-16 11:37:48,422 [com.mchange.v2.async.ThreadPoolAsynchronousRunner$PoolThread-#0] WARN - com.mchange.v2.resourcepool.BasicResourcePool$AcquireTask@769652dd -- Acquisition Attempt Failed!!! 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).
2023-06-16 11:37:48,423 INFO  [STDOUT] 11:37:48.423****** 发生了异常 ****** 
获取失败： Connections could not be acquired from the underlying database!
2023-06-16 11:37:48,424 INFO  [STDOUT] ************
2023-06-16 11:37:48,425 ERROR [STDERR] java.sql.SQLException: Connections could not be acquired from the underlying database!

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