Discoverer Plus/Viewer 11g Fails with the error: The Network Adapter Could Not Establish The Connection (Doc ID 1262972.1)

Last updated on FEBRUARY 01, 2017

Applies to:

Oracle Discoverer - Version 11.1.1.3.0 and later
Information in this document applies to any platform.
***Checked for relevance on 05-Feb-2014***

Symptoms


Trying to launch Discoverer Plus or Viewer 11g fails with error:



A connection error has occurred.
- error while creating the session, check for other errors.
- oracle.discoiv.connections.ConnectionStoreException: weblogic.common.resourcepool.ResourceDeadException: 0:weblogic.common.ResourceException: Could not create pool connection. The DBMS driver exception was: The Network Adapter could not establish the connection
- weblogic.common.resourcepool.ResourceDeadException: 0:weblogic.common.ResourceException: Could not create pool connection. The DBMS driver exception was: The Network Adapter could not establish the connection
- weblogic.common.resourcepool.ResourceDeadException: 0:weblogic.common.ResourceException: Could not create pool connection. The DBMS driver exception was: The Network Adapter could not establish the connection
unable to retrieve connection list
- Cannot retrieve connection list. Check the Discoverer application log for more details.

Starting WLS_DISCO gives errors:


<02-Nov-2010 12:54:31 o'clock GMT> <Warning> <JDBC> <BEA-001129> <Received exception while creating connection for pool "<database>_DISCOVERER_PS": The Network Adapter could not establish the connection>
<02-Nov-2010 12:54:31 o'clock GMT> <Warning> <JMX> <BEA-149515> <An error was encountered getting the attribute DatabaseProductVersion on the MBean com.bea:ServerRuntime=WLS_DISCO,Name=<database>_DISCOVERER_PS,Type=JDBCDataSourceRuntime during a call to getAttributes>
<02-Nov-2010 12:54:31 o'clock GMT> <Warning> <JMX> <BEA-149515> <An error was encountered getting the attribute DriverVersion on the MBean com.bea:ServerRuntime=WLS_DISCO,Name=<database>,Type=JDBCDataSourceRuntime during a call to getAttributes>
<02-Nov-2010 12:54:31 o'clock GMT> <Warning> <JDBC> <BEA-001129> <Received exception while creating connection for pool "<database>_DISCOVERER": The Network Adapter could not establish the connection>

Changes

After installation and configuration of Discoverer 11g the port number was changed for the database holding the DISCOVERER schema created by Repository Creation Utility (RCU).

Cause

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