MissingRequiredEnvironmentException class

Exception thrown when a required environment variable is not found.

This is typically used in systems where environment variables are mandatory and their absence should fail-fast during startup or runtime.

You can optionally attach a cause for additional context.

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📦 Example Usage:

final env = Environment.SYSTEM;
try {
  final token = env.get('API_TOKEN');
} on MissingRequiredEnvironmentException catch (e) {
  print('Missing variable: ${e.message}');
}

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Used internally by SystemEnvironment.get in the JetLeaf framework.

Inheritance

• Object
• Error
• RuntimeException
• MissingRequiredEnvironmentException

Available extensions

• ErrorExtensions
• ExceptionExtensions
• RuntimeExceptionExtensions
• ThrowableExtensions

Constructors

MissingRequiredEnvironmentException(String message, {Object? cause})

Exception thrown when a required environment variable is not found.

Properties

cause → Object?

The underlying cause of this exception, if any.

final, inherited

hashCode → int

The hash code for this object.

no setter, inherited

message → String

The message describing the error.

final, inherited

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

stackTrace → StackTrace

The associated stack trace.

final, inherited

Methods

getCause() → Object

The cause of this exception, if any.

inherited

getMessage() → String

The message associated with this exception.

inherited

getStackTrace() → StackTrace

The stack trace associated with this exception.

inherited

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

printStackTrace([bool useErrorPrint = false]) → void

Available on Error, provided by the ErrorExtensions extension

Prints the error along with its stack trace.

printStackTrace([StackTrace? stacktrace, bool useErrorPrint = false]) → void

Available on Exception, provided by the ExceptionExtensions extension

Prints the exception and optional StackTrace if available.

printStackTrace([bool useErrorPrint = false]) → void

Available on RuntimeException, provided by the RuntimeExceptionExtensions extension

Extension on RuntimeException to support pretty stack trace printing.

printStackTrace([bool useErrorPrint = false]) → void

Available on Throwable, provided by the ThrowableExtensions extension

Extension on Throwable to support printing stack traces in a unified way.

toString() → String

A string representation of this object.

inherited

Operators

operator ==(Object other) → bool

The equality operator.

inherited