FAQ

Java
What is Oracle Java Cloud Service?

Oracle Java Cloud Service provides an enterprise grade platform to develop and deploy business applications in the cloud. With Oracle Java Cloud Service, businesses can maximize productivity with instant access to cloud environments that support any Java EE application, complete with integrated security, database access, and powered by Oracle WebLogic Server.

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What types of applications can I deploy to Oracle Java Cloud Service?

Oracle Java Cloud Service supports standard Java EE, Oracle WebLogic Server, and Oracle Application Development Framework applications. These applications can be deployed in standard EAR or WAR formats. For a detailed description of the supported features and specifications, see the Using Oracle Java Cloud Service document.

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What differentiates Oracle Java Cloud Service from other Platform as a Service (PaaS) solutions?

Oracle Java Cloud Service is designed to provide the following unmatched PaaS benefits:

  • Allows for the portability of applications between the cloud and on-premises environments.
  • Eliminates the complexity of deploying applications by leveraging the Oracle Fusion Middleware interoperability with common services such as database, identity management, and web services security.
  • Provides reliability, availability, scalability, and performance by leveraging Oracle WebLogic Server, Oracle Exalogic, Oracle Database, and Oracle Exadata for its underlying infrastructure.
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What is the best way of getting started with Oracle Java Cloud Service?

Oracle Java Cloud Service is easy to use and understand. To get started, read the Using Oracle Java Cloud Service document.

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What development tools must I use to write applications for Oracle Java Cloud Service?

You do not need any specific tool or SDK to develop applications for Oracle Java Cloud Service. However, Oracle has developed the following optional productivity tools to help simplify implementation and deployment of applications to Oracle Java Cloud Service:

  • Oracle Java Cloud Service Software Development Kit (SDK): Contains a command-line interface, Apache Ant tasks, and Maven plugins for interaction with Oracle Java Cloud Service.
  • Oracle Java Cloud Service productivity tools: Contained within the Oracle JDeveloper, Oracle Enterprise Platform for Eclipse, and NetBeans IDEs. These tools support features such as the direct deployment of enterprise applications to Oracle Java Cloud Service instances and the inspection of the service instance logs directly from the IDE.
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Can I deploy multiple application deployment archives within the same Oracle Java Cloud Service instance?

Yes. You can deploy multiple Java EE archives to the same Oracle Java Cloud Service instance. The number of different Java EE archives that you can deploy to a particular Oracle Java Cloud Service instance depends on the instance's available file storage, Java VM heap space, and the deployment archive's need for these resources.

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Can I access the configuration of the underlying application server, JVM, and/or operating system for my Oracle Java Cloud Service instances?

Oracle Java Cloud Service simplifies the effort needed to deliver enterprise Java applications by encapsulating the complexity of the infrastructure layer and automating its maintenance. As such, Oracle Java Cloud Service does not expose any of the underlying execution environment's operating system, middleware, and JVM configurations to its users. From a monitoring point of view, selected application-centric metrics are exposed through the Oracle Java Cloud Service monitoring interfaces. For more information, see the Using Oracle Java Cloud Service document.

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How do I manage the users of applications deployed to an Oracle Java Cloud Service instance?

Each Oracle Java Cloud Service instance is automatically configured with an identity store associated with its identity domain. You can share the same identity store among multiple Oracle Java Cloud Service instances by placing them in the same identity domain. The content of the identity store, that is, the individual users and their roles that are associated with an Oracle Java Cloud Service instance, is managed through the Oracle Cloud identity management console. For more information about using this console, see the Using Oracle Java Cloud Service document.

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How do I configure a database with my Oracle Java Cloud Service instances?

Applications deployed to the Oracle Java Cloud Service must use Oracle Database Cloud Service as their underlying database. To enable use of an Oracle Database Cloud Service instance from an Oracle Java Cloud Service instance, the two must be associated. Association leads to the creation of a JDBC data source within Oracle Java Cloud Service that can then be used by applications that are deployed to it. An Oracle Database Cloud Service instance that is associated with an Oracle Java Cloud Service instance can then be managed through the Oracle Database Cloud Service interfaces including the Oracle Application Express SQL Workshop tool. For more information about the interaction of Oracle Java Cloud Service with Oracle Database Cloud Service, see the Using Oracle Java Cloud Service document.

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How can I manage and monitor my Oracle Java Cloud Service instances?

Oracle Java Cloud Service can be managed and monitored through the Oracle Java Cloud Service console (a web-based interface), and a command-line interface. The command-line interface can be found within the Oracle Java Cloud Service SDK. For more information about these interfaces, see the Using Oracle Java Cloud Service document.

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What is Oracle WebLogic as a Service?
Oracle WebLogic as a Service provides an instance of WebLogic domain running on top of Oracle Public Cloud's Compute Service. The service will provide multiple options for the following:
  1. WebLogic Server cluster size
  2. Virtual machine size
  3. Value added services for lifecycle management
  4. WebLogic Server - Edition
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What are the different service levels I can purchase?
Multiple managed service levels will be available to choose from.
 
The most basic level consists of a WebLogic cluster provisioned from , a pre-configured software image and is managed by the customer.
 
The next service level includes everything from the basic level, and additionally provides support for multiple clusters of any size, managed patching and automated backup and restore.
 
The highest level of service provides a platform for high value, business critical applications by including Oracle managed active-passive disaster recovery built on the Maximum Availability Architecture, along with Oracle managed upgrades.
 
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What types of applications can I deploy to Oracle WebLogic as a Service instances?
Any Java EE application can be deployed to WebLogic as a Service instances.
 
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What differentiates Oracle WebLogic as a Service from other Platform as a Service (PaaS) solutions?
Oracle WebLogic as a Service provides an enterprise-grade platform for developing and deploying business applications in the cloud. It's a pre-configured WebLogic Server domain provisioned to help customers rapidly set up the environment for enterprise Java EE deployment.
 
WebLogic as a Service also provides full lifecycle operations built into the cloud environment for such capabilities as patching, backup and recovery, cloning and high availability based on Maximum Availability Architecture best practices.
 
The WebLogic as a Service services will be grouped into the three pricing tiers: Basic, Managed and Premium Managed.
 
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What is the best way of getting started with Oracle WebLogic as a Service?
The service is under private preview. It will be available soon for public preview. Please come back and check cloud.oracle.com for public preview.
 
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What development tools must I use to write applications for Oracle WebLogic as a Service?
WebLogic as a Service supports a number of industry-standard development tools/environments to write your Java EE applications such as JDeveloper, Eclipse and NetBeans.
 
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What access do I have to the underlying configuration of the application server, JVM, and/or operating system for my Oracle WebLogic as a Service instances?
You have complete control of the underlying infrastructure. You can SSH into your virtual machines and change any configuration
 
Alternatively, you can use either WebLogic Administration Console or Oracle Enterprise Manager Cloud Control to manage and monitor your application and deployment environment.
 
You can also use WLST from the VM to make configuration changes to the WebLogic Server instance.
 
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How do I configure a database with my Oracle WebLogic as a Service instances?
The data sources used with your application deployed to WebLogic as a Service instances can be configured to connect to the provisioned Database as a Service instances and other Database instances within your Cloud environment.
 
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How can I manage and monitor my Oracle WebLogic as a Service instances?
Both WebLogic Administration Console and Oracle Enterprise Manager Cloud Control can be used to manage and monitor your Oracle WebLogic as a Service instances.
 
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How do I configure storage with my Oracle WebLogic as a Service instances?
The storage of each WebLogic as a Service instance will be configured during the provisioning process with the recommendations of Oracle Cloud system.
 
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Can we implement different versions of WebLogic in the same WebLogic as a Service environment with separate OVMs without losing any patching or management features and capabilities?
Customers can deploy with either WebLogic Server 11g (10.3.6) or WebLogic Server 12c (12.1.2).
 
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Are there any restrictions on the platform that can run on Oracle WebLogic as a Service? For example Windows, Linux, Solaris?

Oracle Linux. There are some restrictions based on memory; domains can be run as long as they fit in the available storage.

 
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After running the configuration and provisioning process, what can or cannot be changed from the administration console or WLST?
From the administration console, you can change all settings. For example, you can change the data source configuration, connection pool sizing, JMS destination, etc.
 
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When the WebLogic Server provisioning process finishes, is the complete environment up and running and ready to deploy applications?
Yes.
 
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Are there plans to integrate an in-memory caching service with Oracle WebLogic as a Service?
Yes, the caching is currently on the roadmap to allow for storing data in-memory in application (object) form for low-latency access.
 
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