oafm_server1 status was admin mode

 ####<Jan 11, 2021 9:58:56 PM EST> <Info> <JDBC> <suthakar.prince> <oaea_server1> <[ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <> <1610420336490> <BEA-001177> <Creating data source connection pool named OAEADatasource, URL = jdbc:oracle:thin:@(DESCRIPTION=(ADDRESS_LIST=(LOAD_BALANCE=YES)(FAILOVER=YES)(ADDRESS=(PROTOCOL=tcp)(HOST=suthakar.prince)(PORT=1608)))(CONNECT_DATA=(SERVICE_NAME=DEV))), Properties = user=APPS;.>                                                                                                                                                          
####<Jan 11, 2021 9:58:56 PM EST> <Info> <Common> <suthakar.prince> <oaea_server1> <[ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <> <1610420336505> <BEA-000626> <Free resources in pool "OAEADatasource" will be tested every "120" seconds.>                       
####<Jan 11, 2021 9:58:59 PM EST> <Info> <JDBC> <suthakar.prince> <oaea_server1> <[ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <> <1610420339875> <BEA-001508> <Destroying data source connection pool OAEADatasource.>                                              
####<Jan 11, 2021 9:58:59 PM EST> <Info> <JDBC> <suthakar.prince> <oaea_server1> <[ACTIVE] ExecuteThread: '0' for queue: 'weblogic.kernel.Default (self-tuning)'> <<WLS Kernel>> <> <> <1610420339876> <BEA-001155> <The following exception has occurred:                                                                

weblogic.common.ResourceException: Unknown Data Source OAEADatasource
        at weblogic.jdbc.common.internal.ConnectionPoolManager.shutdownConnectionPool(ConnectionPoolManager.java:622)
        at weblogic.jdbc.common.internal.ConnectionPoolManager.shutdownAndDestroyPool(ConnectionPoolManager.java:594)
        at weblogic.jdbc.common.internal.ConnectionPoolManager.shutdownAndDestroyPool(ConnectionPoolManager.java:520)
        at weblogic.jdbc.module.JDBCModule.prepare(JDBCModule.java:320)  

Solution:

login into EBS weblogic Console Navigate to EBSDATASource and click OAEADataSource - > connectionpool - and update apps password.

admanagedsrvctl.sh stop oaea_server1

admanagedsrvctl.sh start oaea_server1