标题: ORA-12509: TNS:listener failed to redirect client [打印本页] 作者: admin 时间: 2016-8-9 10:13 标题: ORA-12509: TNS:listener failed to redirect client ORA-12509:TNS:listener failed to redirect client to service handler Cause: The dispatcher terminated unexpectedly Action: Attemptto connect again and if the same error occurs, contact the DBA to
check the state of the dispatchers for this SID. If the problem persists, turnon
tracing in the listener to determine the TNS error caused by the redirect.