SOA Developer

SOA Developer Interview Questions and Answers

Updated 27 Jul 2024

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Q1. Where the file will go if there is an error while polling the file

Ans.

The file will be moved to an error folder or directory.

If there is an error while polling the file, it will be moved to an error folder or directory.
This error folder or directory is typically specified in the configuration or settings of the polling mechanism.
Moving the file to an error folder helps in identifying and handling the error separately from the successfully polled files.
The error folder may also contain logs or additional information about the error for troublesh...read more

Ans.

Yes, direct bindings can be used to call SOA composites.

Direct bindings provide a way to invoke SOA composites without using a mediator service.
Direct bindings allow for direct communication between the client and the composite.
Direct bindings are useful when there is no need for additional processing or transformation of data.
Direct bindings can be used for synchronous as well as asynchronous communication.
Direct bindings can be configured using various protocols such as HTT...read more

Ans.

To call Java code from OSB, you can use Java Callout or Java Embedding activity.

Java Callout activity allows you to invoke Java code from OSB proxy services.
Java Embedding activity enables you to write Java code directly within the OSB pipeline.
You can use Java classes, methods, and libraries in your code to perform desired operations.
Passing input parameters and receiving output from Java code can be done using variables and context variables.
Here's an example of using Java ...read more

Ans.

Message flow refers to the sequence of steps or actions that a message goes through in a system.

Message flow describes the path that a message takes from its source to its destination.
It includes the processing and transformation of the message at various stages.
Message flow can involve multiple components, such as message queues, routers, and adapters.
Each step in the message flow may perform different operations on the message, such as filtering, routing, or data transforma...read more

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Ans.

A proxy service is an intermediary service that sits between a client and a target service, forwarding requests and responses.

Proxy service acts as a middleman between client and target service
It intercepts client requests and forwards them to the target service
It also intercepts target service responses and sends them back to the client
Proxy services can perform various tasks like security, caching, load balancing, etc.

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A business service is a logical representation of a repeatable business activity that has a specified outcome.

Business services are designed to be reusable and can be composed to create larger business processes.
They encapsulate the logic and functionality required to perform a specific business task.
Examples of business services include customer registration, order processing, and payment processing.

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Ans.

Concrete WSDL defines the actual implementation details of a web service, while abstract WSDL provides a high-level view of the service.

Concrete WSDL includes specific details like data types, message formats, and service endpoints.
Abstract WSDL focuses on the operations and messages exchanged by the service without specifying implementation details.
Concrete WSDL is used by developers to implement the service, while abstract WSDL is used for communication between service prov...read more

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XA transactions involve multiple resources managed by a transaction manager, while non-XA transactions involve a single resource.

XA transactions involve multiple resources and are managed by a transaction manager
Non-XA transactions involve a single resource and do not require a transaction manager
XA transactions ensure atomicity, consistency, isolation, and durability (ACID properties)
Non-XA transactions may not provide full ACID properties