Fatal Ni Connect Error 12638 Oracle
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Fatal Ni Connect Error 12170 Tns-12535
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Ora-609
and rise to the top ORA-12528 and ORA-12505 error on Oracle database 11g up vote 2 down vote favorite 1 It's been one week since I last tried to run my final project that I worked on in my last internship at some banking company. Suddenly, my webapps (Java project) in Eclipse can't start. In the log it says that it failed to make a connection to the Oracle database, with some error listener in sqlnet.ora location it. So I try to connect the database manually from the SQL developer. It says ORA-12528: TNS:Listener: All Appropriate instances are blocking new connections. I've read some solutions, and I tried to restart the Oracle services including the orcl and listener. After I restarted it, the error becomes ORA-12505: TNS:listener does not currently know of SID given in connect descriptor. After a while, it becomes ORA-12528 again. Can someone help? My thesis defense is next week. alert_ORCL.txt log (SID=ORCL): *********************************************************************** Fatal NI connect error 12641, connecting to: (LOCAL=NO) VERSION INFORMATION: TNS for 32-bit Windows: Version 11.2.0.1.0 - Production Oracle Bequeath NT Protocol Adapter for 32-bit Windows: Version 11.2.0.1.0 - Production Windows NT TCP/IP NT Protocol Adapter for 32-bit Windows: Version 11.2.0.1.0 - Production Time: 05-MAR-2015 21:28:24 Tracing not turned on. Tns error struct: ns main err code: 12641 TNS-12641: Authentication service failed to initialize ns secondary err code: 0 nt main err code: 0 nt secondary err code: 0 nt OS err code: 0 opiodr aborting process unknown ospid (4204) as a result of ORA-609 Thu Mar 05 21:28:26 2015 *********************************************************************** Fatal NI connect error 12641, connecting to: (LOCAL=NO) VERSION INFORMATION: TNS for 32-bit Windows: Version 11.2.0.1.0 - Production Oracle Bequeath NT Protocol Adapter for 32-bit Windows: Version 11.2.0.1.0 - Production Windows NT TCP/IP NT Protocol Adapter for 32-bit Windows: Version 11.2.0.1.0 -
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fatal ni my oracle support connect error 12170 Oracle Database Tips by Burleson Consulting November 5, 2015 Question: Below error getting in alert log file every day, but database is http://dba.stackexchange.com/questions/94739/ora-12528-and-ora-12505-error-on-oracle-database-11g working fineWhat are the reason for this Fatal ni connect error 12170? Fatal NI connect error 12170. VERSION INFORMATION: TNS for 64-bit Windows: Version 11.2.0.1.0 - Production Oracle Bequeath NT Protocol Adapter for 64-bit Windows: Version 11.2.0.1.0 - Production Windows NT TCP/IP NT Protocol Adapter for 64-bit Windows: Version 11.2.0.1.0 - http://www.dba-oracle.com/t_fatal_ni_connect_error_12170.htm Production Time: 28-MAY-2012 19:20:02 Tracing not turned on. Tns error struct: ns main err code: 12535 TNS-12535: TNS:operation timed out ns secondary err code: 12560 Answer: The fatal ni connect error 12170 is related to the ORA-12170 error: ORA-12170: TNS:Connect timeout occurredCause: The client failed to establish a connection and complete authentication in the time specified by the SQLNET.INBOUND_CONNECT_TIMEOUT parameter in the sqlnet.ora file. This error may be a result of network or system delays, or it may indicate that a malicious client is trying to cause a denial-of-service attack on the database server. The server shut down because connection establishment or communication with a client failed to complete within the allotted time interval. This may be a result of network or system delays; or this may indicate that a malicious client is trying to cause a Denial of Service attack on the server.Action: If the error occurred because of a slowhave a script to monitor the alert.log file for any ORA-xxxx errors. With 11g we found out https://davidalejomarcos.wordpress.com/2011/01/18/removing-fatal-ni-connect-error-xxxx-from-your-alert-log/ many entries in regards of: Fatal NI connect error The problem: http://searchoracle.techtarget.com/answer/Fatal-NI-connect-error alert.log file has many entries for Fatal NI connect error. Examples: *********************************************************************** Fatal NI connect error 12514, connecting to: (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=xxxx)(PORT=nnn))(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=sss)(CID=(PROGRAM=oracle)(HOST=xxx)(USER=oracle)))) VERSION INFORMATION: TNS for Linux: Version 11.2.0.2.0 - Production TCP/IP NT Protocol Adapter for Linux: Version 11.2.0.2.0 - Production Time: 17-JAN-2011 10:20:45 Tracing fatal ni not turned on. Tns error struct: ns main err code: 12564 TNS-12564: TNS:connection refused ns secondary err code: 0 nt main err code: 0 nt secondary err code: 0 nt OS err code: 0 Error 12514 received logging on to the standby Mon Jan 17 10:21:45 2011 *********************************************************************** or *********************************************************************** Fatal NI connect error fatal ni connect 12170. VERSION INFORMATION: TNS for Linux: Version 11.2.0.2.0 - Production Oracle Bequeath NT Protocol Adapter for Linux: Version 11.2.0.2.0 - Production TCP/IP NT Protocol Adapter for Linux: Version 11.2.0.2.0 - Production Time: 18-JAN-2011 15:13:08 Tracing not turned on. Tns error struct: ns main err code: 12535 TNS-12535: TNS:operation timed out ns secondary err code: 12560 nt main err code: 505 TNS-00505: Operation timed out nt secondary err code: 110 nt OS err code: 0 Client address: (ADDRESS=(PROTOCOL=tcp)(HOST=xx.xx.x.xx)(PORT=nnnn)) Tue Jan 18 15:40:20 2011 The solution: We will have an entry on the alert.log file every time a client connection of any kind fails to complete or is aborted. One way to minimize the impact is by using the parameter SQLNET.INBOUND_CONNECT_TIMEOUT (default to 60 seconds on 10gR2 and 11g) but, sometimes, this value is not adequate. Oracle also mentions the occurrence of this error if you use DB Console or Enterprise Manager to monitor your databases and the emagent will try to conn
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