Trouble Shooting – dbtan 谈DB https://dbtan.com dbtan 的生活、Oracle 及 Linux 等的学习笔记、观点。      说，永远易于做！ Fri, 24 Mar 2017 05:55:31 +0000 zh-Hans hourly 1 entity manager close https://dbtan.com/2017/03/entity-manager-close.html https://dbtan.com/2017/03/entity-manager-close.html#respond Fri, 24 Mar 2017 05:55:31 +0000 http://www.dbtan.com/?p=330 前言
entity manager未关闭造成的影响
spring jpa version:1.10.1
底层hibernate: 5.1.0
场景
某些情况需要自行写sql,然后就用到了EntityManager, 用完之后没有显示的close(==|||)
上线后大量请求超时,偶尔有那[......]

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]]> https://dbtan.com/2017/03/entity-manager-close.html/feed 0 How To Automate Cleanup Of Dead Connections And INACTIVE Sessions [ID 206007.1] https://dbtan.com/2010/09/dead-connections-_or_inactive-sessions.html https://dbtan.com/2010/09/dead-connections-_or_inactive-sessions.html#comments Wed, 15 Sep 2010 04:04:00 +0000 http://www.dbtan.com/2010/09/dead-connections-_or_inactive-sessions.html How To Automate Cleanup Of Dead Connections And INACTIVE Sessions [ID 206007.1] Modified 25-JUN-2009     Type HOWTO  &[......]

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]]> https://dbtan.com/2010/09/dead-connections-_or_inactive-sessions.html/feed 2 如何重新配置Oracle的EM Database Control https://dbtan.com/2009/10/em_database_control_config.html https://dbtan.com/2009/10/em_database_control_config.html#respond Sun, 25 Oct 2009 09:08:00 +0000 http://dbtan.com/2009/10/em_database_control_config.html 今天打算启用一下Oracle Database 11g的Database Control，但提示如下： [oracle@test7: ~]$emctl status dbconsoleOC4J Configuration issue. /oracle/product/11.1.0/db_1/oc4[......]

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]]> https://dbtan.com/2009/10/em_database_control_config.html/feed 0 EXP-00091解决方法 https://dbtan.com/2009/09/exp-00091.html https://dbtan.com/2009/09/exp-00091.html#comments Mon, 07 Sep 2009 16:49:00 +0000 http://dbtan.com/2009/09/exp-00091.html 在EXP导出时，出现EXP-00091报错： . . exporting table                 &nbsp[......]

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