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Fatal NI connect error 12514, connecting to:

edited Aug 23, 2020 5:02AM in Using the My Oracle Support Portal (MOSC) 3 commentsAnswered

A phenomenon has appeared in our production database in the past two days：

</msg> <msg time='2020-08-13T09:08:11.603+08:00' org_id='oracle' comp_id='clients'  type='UNKNOWN' level='16' host_id='appsrv003'  host_addr='192.161.2.68' pid='89377'>  <txt> Fatal NI connect error 12514, connecting to:  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=10.161.2.130)(PORT=1530))(ADDRESS=(PROTOCOL=tcp)(HOST=10.161.2.131)(PORT=1530))(LOAD_BALANCE=off)(FAILOVER=on)(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=Q636_TAF)(FAILOVER_MODE=(TYPE=select)(METHOD=basic)(RETRIES=20)(delay=15))(CID=(PROGRAM=java)(HOST=appsrv003)(USER=r2mbbc))))  </txt> </msg>  <msg time='2020-08-13T09:07:46.782+08:00' org_id='oracle' comp_id='clients'  type='UNKNOWN' level='16' host_id='appsrv001'  host_addr='10.162.2.66'>  <txt> Fatal NI connect error 12514, connecting to:  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=10.161.2.130)(PORT=1530))(ADDRESS=(PROTOCOL=tcp)(HOST=10.161.2.131)(PORT=1530))(LOAD_BALANCE=off)(FAILOVER=on)( CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=Q636_TAF)(FAILOVER_MODE=(TYPE=select)(METHOD=basic)(RETRIES=20)(delay=15))(CID=(PROGRAM=java@appsrv001)(HOST= appsrv001)(USER=r2mbbc))))  </txt> </msg>  <msg time='2020-08-13T09:08:11.603+08:00' org_id='oracle' comp_id='clients'  type='UNKNOWN' level='16' host_id='appsrv003'  host_addr='192.161.2.68' pid='89377'>  <txt> Fatal NI connect error 12514, connecting to:  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=10.161.2.130)(PORT=1530))(ADDRESS=(PROTOCOL=tcp)(HOST=10.161.2.131)(PORT=1530))(LOAD_BALANCE=off)(FAILOVER=on)(CONNECT_DATA=(SERVER=DEDICATED)(SERVICE_NAME=Q636_TAF)(FAILOVER_MODE=(TYPE=select)(METHOD=basic)(RETRIES=20)(delay=15))(CID=(PROGRAM=java)(HOST=appsrv003)(USER=r2mbbc))))  </txt> </msg>

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