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AVDF 20.4 Agent On Host (Linux 7.7) could not be started and fails with IO Error: The Network Adapter could not establish the connection (Doc ID 2797079.1)

Last updated on AUGUST 20, 2021

Applies to:

Oracle Audit Vault and Database Firewall - Version and later
Information in this document applies to any platform.


On : version, Host Agent

 Cannot Start ADV 20.4 Agent on host (Linux 7.7) After install

Agent install  successfully on host Linux 7.7 and When trying to start ./agentctl start -k it error as below:

[oracle@dc-twodb-tmp product]$ ls -lrt
total 36100
drwxrwxr-x. 3 oracle oinstall 18 May 12 15:08
-rw-r--r-- 1 oracle oinstall 36963274 Jul 29 16:19 agent.jar
drwxr-xr-x 2 oracle oinstall 6 Jul 29 16:22 agent_av
[oracle@dc-twodb-tmp product]$ java -jar agent.jar -d /u01/app/oracle/product/agent_av/
Agent installed successfully.
If deploying hostmonitor please refer to product documentation for additional installation steps.
[oracle@dc-twodb-tmp product]$ cd agent_av/
[oracle@dc-twodb-tmp agent_av]$ ls
av bin network
[oracle@dc-twodb-tmp agent_av]$ cd bin/
[oracle@dc-twodb-tmp bin]$ ls
agentctl agentctl.bat
[oracle@dc-twodb-tmp bin]$ ./agentctl start -k
Internal Error. See log files for detail.
[oracle@dc-twodb-tmp bin]$

Avagent & avcommon logs shows as follows



[2021-07-29T16:25:36.956+07:00] [agent] [ERROR] [] [] [tid: 1] [ecid: 1918831609:74227:1627550704887:0,0] Unable to connect to AV Server after 10 retries
[2021-07-29T16:25:36.959+07:00] [agent] [ERROR] [] [] [tid: 1] [ecid: 1918831609:74227:1627550704887:0,0] Error occurred in Agent.[[
Failed to connect to DB
    at oracle.av.platform.common.dao.ConnectionManagerImpl.getConnection(
    at oracle.av.platform.agent.AgentController.doValidateKey(
    at oracle.av.platform.agent.AgentController.doProcess(
    at oracle.av.platform.agent.AgentController.main(



[2021-07-29T16:25:04.879+07:00] [common] [ERROR] [] [] [tid: 1] [ecid: 1918831609:74227:1627550704887:0,0]  [Thread]:main. Unable to get connection to the datasource through certificate and without credentials. Unable to start the Universal Connection Pool: oracle.ucp.UniversalConnectionPoolException: Cannot get Connection from Datasource: java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection





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