ORA-12519: TNS:no appropriate service handler found 解决
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最近做项目遇到一个连接Oracle的问题,报错如题:ORA-12519: TNS:no appropriate service handler found,应该是项目中的有些算法把所有连接都占用了,没办法只能增大数据的连接,具体做法如下:
select count(*) from v$process --当前的连接数select value from v$parameter where name = 'processes' --数据库允许的最大连接数修改最大连接数:alter system set processes = 300 scope = spfile;重启数据库:shutdown immediate;startup;--查看当前有哪些用户正在使用数据SELECT osuser, a.username,cpu_time/executions/1000000||'s', sql_fulltext,machine from v$session a, v$sqlarea bwhere a.sql_address =b.address order by cpu_time/executions desc;
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- ORA-12519: TNS:no appropriate service handler found 解决
- ORA-12519: TNS:no appropriate service handler found 解决
- ORA-12519: TNS:no appropriate service handler found 解决
- ORA-12519: TNS:no appropriate service handler found 解决
- ORA-12519:TNS:no appropriate service handler found 解决
- ORA-12519: TNS:no appropriate service handler found 解决
- ORA-12519 TNS:no appropriate service handler found 解决
- ORA-12519: TNS:no appropriate service handler found 解决
- ORA-12519: TNS:no appropriate service handler found 解决
- ORA-12519: TNS:no appropriate service handler found 解决
- ORA-12519: TNS:no appropriate service handler found 解决
- ORA-12519: TNS:no appropriate service handler found 解决
- ORA-12519: TNS:no appropriate service handler found 解决
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- ORA-12519: TNS:no appropriate service handler found 解决
- ORA-12519: TNS:no appropriate service handler found 解决
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- ORA-12519: TNS:no appropriate service handler found 解决
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