Oracle Agents not accurately collecting data (4290287)

Most of the oracle agents are not colleting data though their running status is Green in the agent status page.

ECHO <DB_Oracle/5.5.4.302/DB_Oracle/DBO-server-INSTANCENAME> ERROR [Agent DBO-server-PDTP1 JDBCMONITORED thread-2] com.quest.qsi.dbwc.oracle.ada.datadriver.DBOArchiveDriver - DBOArchiveDriver.executeQueryFailed: [archive_logs_storage]
The user account "dummy" has invalid login credentials. The agent will retry collecting data using this account at 20:33:32. OS connection details: host=server.test.com, user=dummy, connection_timeout=3000, script_execution_timeout=20000, connection_type=[AUTO_DETECT], port=-1

ECHO <DB_Oracle/5.5.4.302/DB_Oracle/DBO-server-INSTANCENAME> ERROR [Agent DBO-server-PDTP1 JDBCMONITORED thread-2] com.quest.qsi.dbwc.oracle.ada.datadriver.DBOArchiveDriver - Failed to collect OS properties for archive file [/db/oracle/flash/PDTP1/PDTP1/archivelog/2012_05_13/] using connection profile [Host:server.test.com; User:dummy; osPlatform:UNIX]. OS details will be omitted
Failed to execute query [archive_logs_storage]
at java.lang.Thread.run(Thread.java:595)
Caused by: The user account "dummy" has invalid login credentials. The agent will retry collecting data using this account at 20:33:32. OS connection details: host=HOSTNAME, user=dummy, connection_timeout=3000, script_execution_timeout=20000, connection_type=[AUTO_DETECT], port=-1