What is a pre-requisite for running functional test cases in REFramework?
A pre-requisite for running functional test cases in REFramework is to invoke the InitAIISettings XAML file. This file is responsible for initializing the AI Fabric settings and connecting to the Orchestrator. It also checks if the AI Fabric environment is ready and if the ML skills are deployed and available. Without invoking this file, the functional test cases that use AI Fabric features will not work properly.Reference: [REFramework for AI Fabric]
What are the differences between the properties Input mode: Simulate and Input mode: Window Messages on a Type Into activity?
In UiPath, the Type Into activity's Input Mode property determines how text is typed into a target UI element. The 'Simulate' input mode types text using the technology of the target application, allowing it to run in the background without needing the target UI element to be in focus. It also automatically clears the field before typing, unless otherwise specified. On the other hand, the 'Window Messages' input mode sends a series of Windows messages to the target application, simulating keyboard strokes. This mode supports the use of hotkeys and special key combinations, making it suitable for applications that require specific keyboard inputs to trigger actions.Reference:
UiPath Activities Guide - Type Into
A developer is working on an automation using the REFramework. Each transaction item represents a piece of client information. For each customer, the automated procedure must click the "Generate Shipment Details" button. This generates a table of shipment records for each customer.
What type of exception occurs when the data is not accessible, the created table displays only the header row, and processing for that client must be halted?
When the data is not accessible, the created table displays only the header row, and processing for that client must be halted, a BusinessRuleException occurs. A BusinessRuleException is a type of exception that indicates a business logic error or a validation error that cannot be resolved by retrying the transaction. For example, if the input data is incorrect, incomplete, or outdated, a BusinessRuleException should be thrown. A BusinessRuleException can be thrown by using the Throw activity with the following expression:
VB New BusinessRuleException(''Message'') where Message is a string that describes the error. A BusinessRuleException can be caught by using the Catch activity with the following expression:
VB ex As BusinessRuleException where ex is a variable that stores the exception object. A BusinessRuleException can be handled differently from other types of exceptions, such as SystemException or ApplicationException, depending on the logic of the automation. For example, in the REFramework, a BusinessRuleException sets the status of the transaction item to Failed and does not retry the transaction, whereas a SystemException sets the status of the transaction item to Retry and retries the transaction up to a specified number of times.Reference: [BusinessRuleException], [Throw], [Catch], [REFramework]
A developer implemented a process using the REFramework and an Orchestrator queue. The "OrchestratorQueueFolder" was defined in the "Config.xlsx" file, but the folder does not exist in Orchestrator
What is the behavior at runtime?
The REFramework (Robotic Enterprise Framework) is a template that provides a standard structure and best practices for building automation projects using UiPath Studio1.It uses the State Machine workflow type to handle different scenarios and exceptions in a robust and scalable way2.One of the states in the REFramework is the Get Transaction Data state, which is responsible for fetching the next transaction item from the Orchestrator queue and assigning it to a variable3.The Orchestrator queue is a data structure that stores multiple items that need to be processed by the robots4.The queue can be organized into folders, which are logical containers that help group and manage the queues and other Orchestrator entities5.
If a developer implemented a process using the REFramework and an Orchestrator queue, they need to specify the name of the queue and the folder where it is located in the Config.xlsx file, which is an Excel workbook that stores the configuration settings and constants for the project6.The name of the queue should be entered in the Settings sheet, under the OrchestratorQueueName key, and the name of the folder should be entered in the Constants sheet, under the OrchestratorQueueFolder key6.These values are then read by the InitAllSettings workflow, which is invoked in the Init state of the REFramework, and assigned to the in_Config argument, which is a dictionary that holds all the configuration data7.
At runtime, the Get Transaction Data state invokes the GetTransactionData workflow, which takes the in_Config argument as an input and uses it to get the queue item from the Orchestrator queue8.The workflow uses the Get Queue Items activity, which requires the QueueName and FolderPath properties to be specified9.The QueueName property is set to in_Config(''OrchestratorQueueName'').ToString, and the FolderPath property is set to in_Config(''OrchestratorQueueFolder'').ToString8.If the folder specified in the Config.xlsx file does not exist in Orchestrator, the Get Queue Items activity will throw an exception with the message ''Folder does not exist'' and the process will be stopped10. Therefore, the correct answer is B. The process throws an exception in the ''Get Transaction Data'' state because the queue folder is not found, and then the process is stopped.
The other options are incorrect because:
Option A is incorrect because the process will not continue if the queue folder is missing.The Get Queue Items activity will fail and the exception will be caught by the Try Catch block in the GetTransactionData workflow, which will set the out_TransactionItem argument to Nothing and the out_TransactionID argument to 'No more data'8.This will cause the transition condition from the Get Transaction Data state to the Process Transaction state to evaluate to False, and the transition condition from the Get Transaction Data state to the End Process state to evaluate to True3.The End Process state will invoke the SetTransactionStatus workflow, which will log the exception message and the process will be stopped11.
Option C is incorrect because an exception will be thrown and a message will be logged if the queue folder is missing.The exception will be thrown by the Get Queue Items activity, as explained above, and the message will be logged by the SetTransactionStatus workflow, which uses the Log Message activity to write the exception message to the Output panel and the Orchestrator logs11.
Option D is incorrect because the process will not reach the Process Transaction state if the queue folder is missing.The Process Transaction state is responsible for executing the business logic for each transaction item and invoking the SetTransactionStatus workflow to update the status of the item in the Orchestrator queue12.However, if the queue folder is missing, the Get Queue Items activity will throw an exception and the out_TransactionItem argument will be set to Nothing, which will prevent the transition from the Get Transaction Data state to the Process Transaction state83.
Studio - Robotic Enterprise Framework Template - UiPath Documentation Portal
Studio - State Machines - UiPath Documentation Portal
Studio - REFramework - UiPath Documentation Portal
Orchestrator - Queues - UiPath Documentation Portal
Orchestrator - Folders - UiPath Documentation Portal
Studio - Config File - UiPath Documentation Portal
Studio - InitAllSettings - UiPath Documentation Portal
Studio - GetTransactionData - UiPath Documentation Portal
Activities - Get Queue Items - UiPath Documentation Portal
Orchestrator - Troubleshooting - UiPath Documentation Portal
Studio - SetTransactionStatus - UiPath Documentation Portal
Studio - Process Transaction - UiPath Documentation Portal
How does UiPath handle different dependency versions for multiple running processes that run at the same time?
UiPath handles different dependency versions for multiple running processes that run at the same time by using the concept of isolation. This means that each running process uses its own required version of the dependency, without affecting or being affected by other processes. This ensures that the processes run smoothly and consistently, regardless of the dependency versions. The isolation is achieved by using the NuGet protocol, which allows the robot to download and store the dependencies in a local cache folder. The robot then loads the dependencies from the cache folder into separate application domains for each process, creating isolated environments for each process.Reference: [Managing Dependencies], [About the NuGet Protocol]