14 Troubleshoot Oracle Java Cloud Service

This section describes common problems that you might encounter when using Oracle Java Cloud Service and explains how to solve them.

Topics:

• Before You Begin Troubleshooting

• Find Diagnostic Information to Help with Troubleshooting

• Problems with Failure of a Running Service when the Schema User Password Expires

• Problems with Creating Service Instances

  • I cannot create an Oracle Java Cloud Service — Virtual Image instance when I choose a Oracle Database Cloud Service — Virtual Image database deployment

  • I receive a database connectivity error message

  • I cannot create a service when I have many service instances

  • I cannot create a service instance, even after waiting for an hour

  • I cannot create a service instance when the service instance name is not unique

  • I can create a service instance but the Coherence Data Tier failed to create

  • I receive an error message stating that no database service is available

  • I encounter Intermittent provisioning failures for clustered instances based on WebLogic Server 12.2.1

  • I encounter a database connection error when creating an Oracle Java Cloud Service instance

  • I cannot select my Oracle Autonomous Database (Oracle Autonomous Transaction Processing) or Oracle Cloud Infrastructure Database from the web console

• Problems with Deploying and Accessing Applications

  • I can’t deploy an application to an Oracle Java Cloud Service instance based on WebLogic Server 11g

  • I can’t access an application using the URL from the WebLogic Server Administration Console Testing tab

  • I can’t access an application through the HTTP port

• Problems with Scaling

  • My scale-out operation does not start

  • My scale-in operation is not allowed

  • My service is too busy to allow scaling

  • My scaling operation failed when the storage space threshold was exceeded

• Problems with Patching and Rollback

  • My identity key store and trust store are missing after a patching, rollback, or restoration operation

  • I receive a message stating that the virtual machines are unhealthy

  • I receive a message stating that the service is busy with another operation

• Problems with Backup and Restoration

  • Backups fail after changing my Oracle Cloud password

  • The Oracle Traffic Director is not backed up

  • There is not enough space for my backup

  • The restoration operation fails and generates an error about pre-check failure

  • One of my backups is showing a warning icon

• Problems with Performance of Oracle Java Cloud Service—Coherence Service Instances

• Problems with Restart

  • Restart fails after a scale down operation intended to remedy a quota breach

  • Monitor a VM’s boot log

  • My custom storage volumes have become detached

  • My content changes on the Boot/OS volume are gone

  • Restart fails with the Out of host capacity error message

• Problems with Connectivity

  • My private key is lost or corrupted

  • My connection to a VM is refused

  • I received a hostname verification error when attempting to connect to Node Manager

• Problems with Database Connectivity When Upgrading the Infrastructure Schema Database

• Problems with the Node Manager

• Problems with a Database Deployment

• Problems with Connection validation when provisioning an Oracle Java Cloud Service-Virtual Image instance with Oracle Database Cloud Service 12.1 VI

• Problems with Transparent Data Encryption Wallet Error when Provisioning an Oracle Java Cloud Service-Virtual Image Instance with Oracle Database Cloud Service 11g Virtual Image

• Problems Opening the WebLogic Server Administration Console from Fusion Middleware Control

• Problems Accessing Applications Via a Custom Web Server

• Security Checkup Tool Warnings

• How can I Fine-Tune Performance?