文章 2024-04-01 来自:开发者社区

the database has been closed

the database has been closed 问题分析: 1.查询时间太长数据库主动关闭了链接。 2.手动调用了关闭数据库链接。 3.并发多导致其他线程关闭了数据库链接。 解决: 1.优化代码SQL并把数据库查询时间设置长一些。 2.是否手动主动关闭了链接。 3.以上都没有出现,就在该方法加锁synchronized。

文章 2016-03-02 来自:开发者社区

ORA-01155: the database is being opened, closed, mounted or dismounted

ora.scan1.vip  ora....ip.type ONLINE    ONLINE    m3           [grid@m1 ~]$ crs_start ora.mes.db Attempting to start `ora.FRA.dg` on member `m2` Attem...

ORA-01155: the database is being opened, closed, mounted or dismounted

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