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Discoverer 11g Connection Fails With: 'java.lang.NoClassDefFoundError: oracle/as/management/opmn/optic/OpticBadConnectException' (Doc ID 1377839.1)

Last updated on AUGUST 14, 2019

Applies to:

Oracle Discoverer - Version and later
Information in this document applies to any platform.


When trying to log in to Discoverer Plus or Viewer, the following  error is received:

The application encounters an invalid state. .
- oracle/as/management/opmn/optic/OpticBadConnectException - Nested exception: java.lang.NoClassDefFoundError: oracle/as/management/opmn/optic/OpticBadConnectException
- oracle/as/management/opmn/optic/OpticBadConnectException
Oracle BI Discoverer Viewer cannot find the data necessary to display the results of this event. Correct any errors, and try again.


A second WLS_DISCO Managed Server was created by expanding the cluster.


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