Find Diagnostic Information to Help with Troubleshooting

You can use the WebLogic Administration Console and other tools to find more information about problems with Oracle Java Cloud Service and help you troubleshoot them.

Topics:

• Use the WebLogic Server Administration Console to Find Diagnostic Information
• Use the WebLogic Server Administration Console to Find Log Files
• Find Status Messages for Oracle Java Cloud Service Instances
• Find VM Boot Log Messages

Use the WebLogic Server Administration Console to Find Diagnostic Information

You can find diagnostic information easily by using the WebLogic Server Administration Console.

To find diagnostic information:

1. Navigate to the Oracle Java Cloud Service Console.
2. Click the name of your service instance.
3. On the Instance Overview page, open the WebLogic Server Administration Console.
   1. Click the Manage this instance icon and select Open WebLogic Server Administration Console.
      A new browser opens and you are redirected to the login page.
      If the server is protected with a self-signed certificate, you will be warned that this certificate is not trusted. This warning only appears if you have not added the self-signed certificated to the browser’s exception list previously.
   2. Accept the certificate.
   3. When the WebLogic Server Console appears, enter the user name and password your provided when you created the service instance.
   The WebLogic Server Administration Console is displayed.
4. In the Domains area, expand Diagnostics.
5. Click on the diagnostics that interests you.
   For information on the diagnostic choices, click on Diagnostics.

Use the WebLogic Server Administration Console to Find Log Files

You can find log files easily by using the WebLogic Server Administration Console.

To find the log files:

1. Navigate to the Oracle Java Cloud Service Console.
2. Click the name of your service instance.
3. On the Instance Overview page, open the WebLogic Administration Console.
   1. Click the Manage this instance icon and select Open WebLogic Server Administration Console.
      A new browser opens and you are redirected to the login page.
      If the server is protected with a self-signed certificate, you will be warned that this certificate is not trusted. This warning only appears if you have not added the self-signed certificated to the browser’s exception list previously.
   2. Accept the certificate.
   3. When the WebLogic Server Console appears, enter the user name and password your provided when you created the service instance.
   The WebLogic Server Administration Console is displayed.
4. In the Domains area, expand Diagnostics.
5. Click Log Files.
6. The Log Files table is displayed.
7. Click the option to the left of the log file you want to view.
8. Click View.
   The log file you selected is displayed in the table.
9. (Optional) If you do not find the information you are looking for, customize the table to select the time interval you want to view.
   1. View the log file.
   2. Click the Customize this table link above the log file.
   3. From the Time Interval drop-down menu, select the time interval for filtering the information the information in the table.
      You can choose an interval ranging from the last five minutes to the last one week. You can also view all log entries or customize the time interval.

Find Status Messages for Oracle Java Cloud Service Instances

From the Oracle Java Cloud Service Console, you can view status messages to determine why an attempt to create a service instance failed.

Messages for operations such as backup, restoration, scaling, and patching appear on the Activity page. See Monitor Activity.

To find status messages for a failed attempt to create a service instance:

1. Navigate to the Oracle Java Cloud Service Console.
2. Expand the arrow next to Instance Create and Delete History.
3. Click on the name of the service instance you created or deleted, or click on Details.
   A list of status messages is displayed. The messages trace the process for creating the service instance from the beginning to the point of failure. Success messages are displayed in addition to error messages.

Find VM Boot Log Messages

You can find diagnostic information in the boot logs for the VMs that make up an Oracle Java Cloud Service instance.

Monitor or troubleshoot the boot progress of individual VMs by using Oracle Cloud Infrastructure Compute Classic. See Viewing the Boot Log of an Instance in Using Oracle Cloud Infrastructure Compute Classic. Ignore information in this topic about the Compute API.