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ORA-12500: TNS:listener failed to start a dedicated server process

原创 Linux操作系统 作者:rocky_gao 时间:2011-06-20 19:06:52 0 删除 编辑
/oracle > oerr ora 12500
12500, 00000, "TNS:listener failed to start a dedicated server process"
// *Cause:  The process of starting up a dedicated server process failed.
// The executable could not be found or the environment may be set up
// incorrectly.
// *Action: Turn on tracing at the ADMIN level and reexecute the operation.
// Verify that the ORACLE Server executable is present and has execute
// permissions enabled. Ensure that the ORACLE environment is specified
// correctly in LISTENER.ORA. The Oracle Protocol Adapter that is being
// called may not be installed on the local hard drive.  Please check that
// the correct Protocol Adapter are successfully linked.
// If error persists, contact Oracle Customer Support.


1, check if listener is down.

lsnrctl status listener_name
if listener is down, start it and try again
. oraenv
lsnrctl start listener_name

2, 

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