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EM13c: Missing Dropdown Buttons, Target Name, Status Icon On Target Database Homepage (Doc ID 2251602.1)

Last updated on NOVEMBER 16, 2022

Applies to:

Enterprise Manager for Oracle Database - Version 13.1.1.0.0 and later
Information in this document applies to any platform.

Symptoms

Target Database homepage doesn't display any information, including the actual target name, the various drop-down buttons or the target status icon. Version, Up Time and Last Backup are marked as "N/A". Web browser navigation from this page might become unresponsive as well. In most cases a small white square is displayed on the upper left side corner of the page.

The homepage of an affected target Database looks similar to the following:


emoms.trc log will show this kind of errors:

2017-07-27 11:36:23,862 [[ACTIVE] ExecuteThread: '19' for queue: 'weblogic.kernel.Default (self-tuning)'] WARN errPopup.ErrorPopupUtil logp.251 - ADFC-10009: An exception occurred during invocation of 'getData' method. https://myoem.server:7802/em/faces/db-homepage-home?target=ORCL&type=oracle_database&Adf-Window-Id=w2&Adf-Page-Id=10 REQUEST_METHOD: POST View Id: /db-homepage-home
java.lang.RuntimeException: Unable to evaluate #{viewScope.db_homepage_page_model}
at oracle.sysman.emSDK.model.util.EMObjectUtil.evaluateBareExpr(EMObjectUtil.java:410)
at oracle.sysman.emSDK.model.util.EMObjectUtil.getMBInstancesForCurrentView(EMObjectUtil.java:258)
at oracle.sysman.core.model.util.ModelUtil.initializeMBEMObjects(ModelUtil.java:158)
at oracle.sysman.core.model.util.ModelUtil.initializeAllEMObjects(ModelUtil.java:147)
at oracle.sysman.core.model.util.ModelUtil.initializeAllEMObjects(ModelUtil.java:108)

 

Changes

 Affected target Databases were discovered and promoted using Manual Discovery - Declarative process.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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