The Network Adapter could not establish the connection Getting A JDBC Connection On Startup of OAM
(Doc ID 2322790.1)
Last updated on NOVEMBER 02, 2017
Applies to:JDBC - Version 10.1.0.2 and later
Information in this document applies to any platform.
On : 126.96.36.199 Thin JDBC driver
WebLogic 11g - 10.3.6
OAM software is 188.8.131.52
Oracle Database 12c Enterprise Edition Release 184.108.40.206.0 - 64bit Production
java version - 1.7.0_111
When testing the datasource from OAM console and while the server is booting up, the following errors occur:
weblogic.jdbc.extensions.ConnectionDeadSQLException: weblogic.common.resourcepool.ResourceDeadException: 0:weblogic.common.ResourceException: Could not create pool connection. The DBMS driver exception was: IO Error: The Network Adapter could not establish the connection
If the connection is made from another domain datasource in WebLogic, the connection succeeds. The issue only occurs with OAM datasource.
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