EM13c : Test Connection Fails Intermittently During ADB UI Discovery
(Doc ID 2704404.1)
Last updated on AUGUST 25, 2020
Applies to:
Enterprise Manager for Oracle Database - Version 13.4.0.0.0 and laterInformation in this document applies to any platform.
Symptoms
In Enterprise Manager (EM) Cloud Control, trying to discover the Autonomous Database (ADB) intermittently fails.
Error stack observed from <EM_Instance_Home>/sysman/log/emoms.trc file:
ERROR db.discovery logp.251 - Exception in validateDbCreds()Target Name = <Target_Name> : Target Type = oracle_cloud_atp
java.sql.SQLException: Connection failure may be due to a slow network, or to the presence of an intervening firewall.
at oracle.sysman.db.discovery.testconn.TestConnectionHandler.getSQLException(Test ConnectionHandler.java:259)
at oracle.sysman.db.discovery.testconn.TestConnectionHandler.getConnection(TestConnectionHandler.java:105)
at oracle.sysman.db.discovery.beans.mntrconfig.ATPMntrConfigBean.validateDbCreds(ATPMntrConfigBean.java:601)
at oracle.sysman.db.discovery.beans.mntrconfig.ATPMntrConfigBean.doNextValidation(ATPMntrConfigBean.java:529)
at oracle.sysman.db.discovery.ui.trainbean.mntrconfig.ATPMntrConfigTrainBean.doValidateBeforeNext(ATPMntrConfigTrainBean.java:206)
at oracle.sysman.db.discovery.ui.trainbean.mntrconfig.ATPMntrConfigTrainBean.doNext(ATPMntrConfigTrainBean.java:190)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
java.sql.SQLException: Connection failure may be due to a slow network, or to the presence of an intervening firewall.
at oracle.sysman.db.discovery.testconn.TestConnectionHandler.getSQLException(Test ConnectionHandler.java:259)
at oracle.sysman.db.discovery.testconn.TestConnectionHandler.getConnection(TestConnectionHandler.java:105)
at oracle.sysman.db.discovery.beans.mntrconfig.ATPMntrConfigBean.validateDbCreds(ATPMntrConfigBean.java:601)
at oracle.sysman.db.discovery.beans.mntrconfig.ATPMntrConfigBean.doNextValidation(ATPMntrConfigBean.java:529)
at oracle.sysman.db.discovery.ui.trainbean.mntrconfig.ATPMntrConfigTrainBean.doValidateBeforeNext(ATPMntrConfigTrainBean.java:206)
at oracle.sysman.db.discovery.ui.trainbean.mntrconfig.ATPMntrConfigTrainBean.doNext(ATPMntrConfigTrainBean.java:190)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
Uecases where the error is seen:
1. User provides a wallet to discover autonomous database.
2. User keys in the wallet password and the db username and password.
3. User clicks Test connection for the first time.
Cause
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In this Document
| Symptoms |
| Cause |
| Solution |