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Oracle WebLogic Server: Applications On Weblogic Managed Servers Could Not Be Started (Doc ID 2654575.1)

Last updated on OCTOBER 05, 2023

Applies to:

Oracle WebLogic Server - Version 10.3.6 and later
Information in this document applies to any platform.


Following a server reboot, some applications hosted on Managed Server are not accessible. The AdminServer logs shows:

The connectivity issues that are seen in the above logs, can be further demonstrated by using the dbping utility to make a DB Connection to the database from a java-based application. We offer the following as a troubleshooting tool to aid in determining if the issue is truly a Database Connectivity issue or other.:

1. From the AdminServer Weblogic Console > Domain>Services>Data Sources, extract all the information related to the affected Data source. Note the database name, port and IP.

2. Use java dbping utility to check the connectivity with the database. This would ensure that the machine is able to connect to the database properly.

a.) Navigate to the <MW Home>/user_projects/domains/<domain_name>/bin directory.

b.) Set the environment using the below command:

. ./ (It will be .cmd for Windows based systems)

c.) Execute the below command:

java utils.dbping ORACLE_THIN <user name> <pwd> <DB host>:1521/<service_name>

Please refer to the below documentation link for various options on the dbping utility.

WebLogic Server Command Reference



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