harmony 鸿蒙Utils Error Codes

2023-02-03
浏览 (1311)

Utils Error Codes

NOTE

This topic describes only module-specific error codes. For details about universal error codes, see Universal Error Codes.

Error Message

The value of ${param} is out of range.

Description

The value of a parameter passed in the API exceeds the valid range.

Possible Causes

The parameter value exceeds the value range.

Solution

Use a valid parameter value.

Error Message

Invalid ${param} string.

Description

Failed to parse a string.

Possible Causes

A parameter of the string type passed in the API is a non-standard string. As a result, the string fails to be parsed.

Solution

Check the format of the string.

Error Message

Worker initialization failure.

Description

The Worker instance fails to be initialized when the API is called.

Possible Causes

The number of Worker instances to be created exceeds the upper limit.
The options for setting the Worker instance are incorrect.

Solution

Check whether the number of Worker instances exceeds 8. If yes, destroy idle Worker instances.
If WorkerOptions is set, check the parameter type and validity.

Error Message

Worker instance is not running.

Description

The Worker instance is not running when the API is called.

Possible Causes

When the API is called, the Worker instance has been destroyed or is being destroyed.

Solution

Ensure that the Worker instance is running properly.

Error Message

The invoked API is not supported in workers.

Description

An API that is not supported by the worker thread is called.

Possible Causes

The worker thread does not support the API.

Solution

Use a supported API.

Error Message

An exception occurred during serialization.

Description

An error occurs when serializing transmission information.

Possible Causes

The transmission information is not serializable.

Solution

Use transmission information that is a valid serialized object.

Error Message

The worker file path is invalid.

Description

The file path is invalid, and the Worker instance cannot be loaded.

Possible Causes

The worker file path is invalid. As a result, a valid worker.abc file cannot be generated during the build.

Solution

Ensure that the worker file path complies with the specifications for creating Worker instances. For details, see the example under constructor⁹⁺.

Error Message

Buffer size must be a multiple of ${size}.

Description

The buffer size does not meet the requirement.

Possible Causes

The buffer size is not an integer multiple of size, which can be 16-bit, 32-bit, or 64-bit.

Solution

Use a buffer the size of which meets the requirements.

Error Message

The container is empty.

Description

The container to be operated is empty.

Possible Causes

No element is added to the container.

Solution

Add elements to the container first.

Error Message

The {methodName} method cannot be bound.

Description

this.object passed in the API is not an instance of the containers class.

Possible Causes

The APIs of the containers class do not support bind().

Solution

Check whether bind() is used to call the API.
Check whether an object that is not a container instance is assigned to the API.

Error Message

The {className}’s constructor cannot be directly invoked.

Description

A constructor of the containers class is called directly to create an instance.

Possible Causes

The constructors of the containers class cannot be directly called. The keyword new must be used.

Solution

Use the keyword new to create an instance.

Error Message

Cannot set property ${propertyName} of Buffer which has only a getter.

Description

The buffer ${propertyName} is read-only and cannot be set.

Possible Causes

The buffer is read-only.

Solution

Do not set the read-only attribute for the buffer.

Error Message

The function is not mark as concurrent.

Description

The function is not marked as concurrent.

Possible Causes

@Concurrent is not added to the function required by the task to be executed in the task pool.

Solution

Check the functions required by the tasks executed by the task pool and add the @Concurrent decorator.

Error Message

The task does not exist when it is canceled.

Description

This error code is reported when you attempt to cancel a task that does not exist.

Possible Causes

The task to cancel does not exist in the task pool.

Solution

Before canceling a task, ensure that the task has been placed in the task pool by calling taskpool.execute and is not finishing. If you are not sure, capture exceptions.

Error Message

The task is executing when it is canceled.

Description

This error code is reported when you attempt to cancel a task that is being executed.

Possible Causes

The task to cancel is being executed.

Solution

Before canceling a task, ensure that the task has been placed in the task pool by calling taskpool.execute and has not started execution. If you are not sure, capture exceptions.

Error Message

The element does not exist in this container.

Description

This error code is reported when you attempt to delete an element that does not exist in the container.

Possible Causes

The element to delete does not exist in the container.

Solution

Before deleting an element, ensure that the element exists in this container.

Error Message

The task group does not exist when it is canceled.

Description

This error code is reported when you attempt to cancel a task group that does not exist.

Possible Causes

The task group to cancel does not exist in the task pool.

Solution

Before canceling a task group, ensure that the task group is placed in the task pool by calling taskpool.execute and is not finishing. If you are not sure, capture exceptions.

harmony 鸿蒙Error Codes

harmony 鸿蒙Event Error Codes

harmony 鸿蒙DeviceUsageStatistics Error Codes

harmony 鸿蒙DistributedNotificationService Error Codes

harmony 鸿蒙Distributed Scheduler Error Codes

harmony 鸿蒙Ability Error Codes

harmony 鸿蒙Access Control Error Codes

harmony 鸿蒙Accessibility Error Codes

harmony 鸿蒙Account Management Error Codes

harmony 鸿蒙Animator Error Codes

0 赞