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I am using oracle 10g with 4 instance with same server but one of them has failed to start Oracle Enterprise Manager and rest of three are working fine. 

Starting Oracle Enterprise Manager 10g Database Control
.................................................................... 
failed. 
Logs are generated in directory /u01/app/oracle/product/10.2.0/db_1/vvs/sysman/log

Here I posted error log file -> emagent.log

2018-07-31 11:10:55 Thread-4124031232 Starting Agent 10.1.0.6.0 from /u01/app/oracle/product/10.2.0/db_1 (00701)
2018-07-31 11:10:55 Thread-4124031232 Starting Agent 10.1.0.6.0 from /u01/app/oracle/product/10.2.0/db_1 (00701)
2018-07-31 11:18:41 Thread-4124375296 Starting Agent 10.1.0.6.0 from /u01/app/oracle/product/10.2.0/db_1 (00701)
2018-07-31 11:35:28 Thread-4124748032 Starting Agent 10.1.0.6.0 from /u01/app/oracle/product/10.2.0/db_1 (00701)
2018-07-31 12:03:41 Thread-4124952832 Starting Agent 10.1.0.6.0 from /u01/app/oracle/product/10.2.0/db_1 (00701)
2018-07-31 14:36:27 Thread-4125055232 Starting Agent 10.1.0.6.0 from /u01/app/oracle/product/10.2.0/db_1 (00701)
2018-07-31 15:23:13 Thread-4124195072 Starting Agent 10.1.0.6.0 from /u01/app/oracle/product/10.2.0/db_1 (00701)
2018-07-31 18:19:37 Thread-4124940544 Starting Agent 10.1.0.6.0 from /u01/app/oracle/product/10.2.0/db_1 (00701)

and when i am going to start agent is says agent is already running but while checking status it shows the agent is not running

[oracle@vvs ~]$ emctl start agent
TZ set to Asia/Calcutta
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0  
Copyright (c) 1996, 2007 Oracle Corporation.  All rights reserved.
Agent is already running
[oracle@vvs ~]$ emctl status agent
TZ set to Asia/Calcutta
Oracle Enterprise Manager 10g Database Control Release 10.2.0.4.0  
Copyright (c) 1996, 2007 Oracle Corporation.  All rights reserved.
---------------------------------------------------------------
Agent is Not Running

And when I'm going to start OEM of this instance it failed but the rest of OEM instance stops working

So please let me know how to solve this Problem

edited data

2018-08-16 16:47:50 Thread-4090489664 ERROR http: 9: Unable to initialize ssl connection with server, aborting connection attempt

2018-08-16 16:47:50 Thread-4090489664 ERROR pingManager: nmepm_pingReposURL: Cannot connect to https://vvs:5502/em/upload/: retStatus=-1

2018-08-16 16:47:50 Thread-4090489664 ERROR pingManager: Error in updating the agent time stamp file
2018-08-16 16:47:53 Thread-4087339840 ERROR command: nmejcn: error receiving response headers from http://vvs:5502/em/upload/
Improve this question
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  • What operating system? – Mark Stewart Jul 31 '18 at 13:53
  • FWIW, Oracle 10g was never certified for Linux 7. – EdStevens Aug 1 '18 at 12:23
  • ok right @ EdStevens then why other instance and OEMs are running on same server – Ray Aug 1 '18 at 13:14
  • please help.... – Ray Aug 2 '18 at 10:40
  • Tested on 11g,but you can try 1) emctl stop dbconsole ,2)emctl clearstate agent3)emctl start dbconsole 4)emctl status agent – user153556 Aug 4 '18 at 16:14

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