Orchestrator
2023.10
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Orchestrator User Guide
Last updated Mar 20, 2024

Logging Levels

Logging Levels in UiPath

Logging Level

Default Logs

User-Defined Logs

Off

None

None

Critical

All messages logged with Critical level or higher.

All messages logged with Critical level or higher.

Error

All messages logged with Error level or higher.

All messages logged with Error level or higher.

Warning

All messages logged with Warning or higher.

All messages logged with Warning or higher.

Information

All messages logged with Information or higher.

All messages logged with Information or higher.

Trace

All messages logged with Trace level or higher.

All messages logged with Trace level or higher.

Verbose

All messages logged with Trace level and Workflow Tracking logs.

All messages logged with Trace level.

The Verbose level logs a message for both the activity start and end, plus the values of the variables and arguments that are used.

By default, the Verbose level includes:

  • Execution Started log entry - generated every time a process is started.
  • Execution Ended log entry - generated every time a process is finalized.
  • Transaction Started log entry - generated every time a transaction item is obtained by the robot from Orchestrator.
  • Transaction Ended log entry - generated every time the robot sets the transaction status to either Success or Failed.
  • Activity Information log entry - generated every time an activity is started,faulted or finished inside a workflow.

    Note: The priority order of the log types is: Verbose < Trace < Information < Warning < Error < Critical < Off.

    Log Level

    Logged

    Example / Comment

    Log File

    Output Panel

    Orchestrator Log page

    Verbose

    Activities

    `Trace {"message":{"DisplayName":"Message box","State":"Executing","Activity":"UiPath.Dialog.Activities.MessageBox","Arguments":{"Caption":"","Text":"String in message BOX

    Yes

    No

    Yes

    Verbose

    Variables

    `"Variables":{"NewTransaction":"False

    Yes

    No

    Yes

    Verbose

    Arguments (properties)

    `"Arguments":{"Caption":"","Text":"String in message BOX","ChosenButton":"Ok

    Yes

    No

    Yes

    Trace

    Activities

    `Trace {"message":{"DisplayName":"Main","State":"Executing","Activity":"System.Activities.DynamicActivity

    Yes

    No

    Yes

    Information

    WriteLine

    Log Message

    Info {"message":"message from activity"

    Note: Except messages logged with Trace level set in activity.

    Yes

    Yes

    Yes

    Warning

    Warnings

    Warn {"message":"Warning from log message activity"

    Yes

    Yes

    Yes

    Warning

    Errors

    Error {"message":"Error from log message activity"

    Yes

    Yes

    Yes

    Warning

    Critical

    Critical Errors

    Yes

    Yes

    Yes

    Error

    Errors

    Error {"message":"Error from log message activity"

    Yes

    Yes

    Yes

    Error

    Critical

    Fatal

    Critical Errors

    Yes

    Yes

    Yes

    Critical

    Critical

    Fatal

    Critical Errors

    Yes

    Yes

    Yes

    OFF

    n/a

    n/a

    No

    No

    No

Log Message Types

There are several possible occurrences of log messages, depending on the event that is logged, as follows:

Default Logs

Generated by default when the execution of a project starts and ends, when a system error occurs and the execution stops, or when the logging settings are configured to log the execution of every activity.

Note: These logs have the Default value in the logType field.

The events logged by this category are:

  • Execution Start is generated every time a process is started. This is logged starting with the Information logging level.
  • Execution End is generated every time a process is finalized. This is logged starting with the Information logging level.
  • Transaction Start is generated every time a transaction within a process is started. This is logged starting with the Information logging level.
  • Transaction End is generated every time a transaction within a process is finalized. This is logged starting with the Information logging level.
  • Error Log is generated every time the execution encounters an error and stops. This is logged starting with the Error logging level.
  • Debugging Log is generated if the Robot Logging Setting is set to Verbose and contains, activity names, types, variable values, arguments etc. This is logged starting with the Trace logging level.

User-Defined Logs

Generated according to the process designed by the user in Studio, when using the Log Message activity or the Write Line activity.

Note: These logs have the User value in the logType field.

Log Fields

There are multiple types of log fields that can be found throughout the above log message types. These can be classified as follows:

Default Fields

These log fields are present in all execution type logs, such as SQL (if configured), Elasticsearch (if configured), and the default EventViewer Logs:

  • Message - The log message.
  • Level - Defines the log severity.
  • Timestamp - The exact date and time the action was performed.
  • FileName - The name of the .xaml file being executed.
  • jobId - The key of the job running the process.
  • processName - The name of the process that triggered the logging.
  • processVersion - The version number of the process.
  • windowsIdentity - The name of the user that performed the action that was logged.
  • robotName - The name of the robot (as defined in Orchestrator).

In an environment with multiple Robots on a machine which are connected to Orchestrator, the Event Viewer logs might display the following message: “Current user did not login to the application!". This occurs only if you remove a Robot that still had logs to send to Orchestrator.

Note: The processName and processVersion fields do not appear in logs if the process is run locally, without being connected to Orchestrator.

Type-specific Fields

These logs are present depending on the log type:

Execution End

  • totalExecutionTimeInSeconds
  • totalExecutionTime

Transaction Start

  • queueName
  • transactionID
  • transactionState

Transaction End

  • queueName
  • transactionID
  • transactionState
  • transactionStatus
  • transactionExecutionTime
  • processingExceptionType
  • processingExceptionReason
  • queueItemReviewStatus
  • queueItemPriority

Debugging Log

  • activityInfo, which is a JSON message with the following fields:
    • DisplayName
    • State (Faulted, Closed, Executing)
    • Activity
    • Variables
    • Arguments

      Note: Only totalExecutionTimeInSeconds, totalExecutionTime and queueName are always present in the log messages. Variables and Arguments usually have sub-fields.

User-defined Fields

These fields are defined in Studio by using the Add Log Fields activity and appear in all subsequent logs after the activity is generated, unless they are removed by the Remove Log Fields activity.

Note:

Creating custom log fields that have the same name as a default log field causes the logging process to become corrupted and may cause issues in the workflow you are running.

For example, creating a custom log field called jobId causes this issue, as jobId is a log field that is generated by default.
  • Logging Levels in UiPath
  • Log Message Types
  • Default Logs
  • User-Defined Logs
  • Log Fields
  • Default Fields
  • Type-specific Fields
  • User-defined Fields

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