harmony 鸿蒙Distributed Scheduler Error Codes

2022-12-05
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Distributed Scheduler Error Codes

NOTE

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

16600001 The system ability works abnormally.

Error Message

The system ability works abnormally.

Description

This error code is reported when the system ability is abnormal.

Possible Causes

The possible causes are as follows: 1. The DMS service is not started. 2. The binder object of DMS is not obtained. 3. Other services on which ability continuation depends are not started or the binder object is not obtained.

Solution

Try again later or restart the device.

16600002 The specified token or callback is not registered.

Error Message

The specified token or callback is not registered.

Description

This error code is reported if the token or callback used in an API of continuationManager is not registered when the API is called.

Possible Causes

The specified token or callback is not registered.

Solution

16600003 The number of token registration times has reached the upper limit.

Error Message

The number of token registration times has reached the upper limit.

Description

This error code is reported when the number of times that the continuationManager.registerContinuation API is called has reached the upper limit.

Possible Causes

The number of token registration times has reached the upper limit.

Solution

Use a registered token. Do not register the token too frequently.

16600004 The specified callback has been registered.

Error Message

The specified callback has been registered.

Description

This error code is reported when the continuationManager.on API is called with a callback the same as a previous one.

Possible Causes

The same callback is used for repeated registration.

Solution

Use a different callback for registration.

16300501 The system ability works abnormally.

Error Message

The system ability works abnormally.

Description

This error code is reported when the system ability is abnormal.

Possible Causes

Solution

Try again later or restart the device.

16300502 Failed to get the missionInfo of the specified missionId.

Error Message

Failed to get the missionInfo of the specified missionId.

Description

This error code is reported when calling the distributedMissionManager.continueMission API fails.

Possible Causes

The possible causes are as follows: 1. An incorrect mission ID is passed in. 2. The mission information corresponding to the mission ID does not exist.

Solution

Verify the mission ID.

16300503 The application is not installed on the remote end and installation-free is not supported.

Error Message

The application is not installed on the remote end and installation-free is not supported.

Description

This error code is reported if the application is not installed on the remote end and the installation-free feature is not supported when the distributedMissionManager.continueMission API is called.

Possible Causes

The application to continue is not installed on the remote end, and the installation-free feature is not supported.

Solution

Check whether the application has been installed on the remote end.
Check whether the remote end supports installation-free.

16300504 The application is not installed on the remote end and installation-free is supported. Try again with the freeInstall flag.

Error Message

The application is not installed on the remote end and installation-free is supported. Try again with the freeInstall flag.

Description

This error code is reported if the application is not installed on the remote end and installation-free is supported when the distributedMissionManager.continueMission API is called.

Possible Causes

The application to continue is not installed on the remote end, and installation-free is supported. However, the freeInstall flag is not carried.

Solution

Try again with the freeInstall flag.

16300505 The operation device must be the device where the application to be continued is currently located or the target device.

Error Message

The operation device must be the device where the application to be continued is currently located or the target device.

Description

This error code is reported if the operation device is not the device where the application to be continued is currently located (source device) or the target device when the distributedMissionManager.continueMission API is called.

Possible Causes

The operation device is not the source or target device.

Solution

Use the source or target device for the operation.

16300506 The local continuation task is already in progress.

Error Message

The local continuation task is already in progress.

Description

This error code is reported if the local continuation task is in progress when the distributedMissionManager.continueMission API is called.

Possible Causes

The continuation task has been initiated and is not complete yet.

Solution

Wait until the continuation task is complete.

16300507 Failed to get the missionInfo of the specified bundleName.

Error Message

Failed to get the missionInfo of the specified bundle name.

Description

This error code is reported when calling the distributedMissionManager.continueMission API with bundleName specified fails.

Possible Causes

The possible causes are as follows: 1. An incorrect bundle name is passed in. 2. The mission information corresponding to the bundle name does not exist.

Solution

Verify the bundle name.

3 Failed to flatten the object.

Error Message

Failed to flatten the object.

Description

This error code is reported if the system parameter DMS_PROXY_INTERFACE_TOKEN fails flattening when an API of continuationManager is called.

Possible Causes

The system parameter DMS_PROXY_INTERFACE_TOKEN fails to be written in serialization.

Solution

Make sure the system functions properly. Restart the system when needed.

7 The object is null.

Error Message

The object is null.

Description

This error code is reported if DMS and other objects are empty or reading in serialization fails when an API of continuationManager is called.

Possible Causes

The possible causes are as follows: 1. Reading the input parameters in serialization fails. 2. The DMS service is not started or the binder object is not obtained. 3. Other services on which DMS depends are not started or the binder object is not obtained.

Solution

Check whether the input parameters are valid.
Check whether the DMS service is started normally. Restart the service or device when needed.
Check whether other services on which DMS depends are started normally. Restart the services or device when needed.

29360207 The number of registrations has reached the upper limit.

Error Message

The number of registrations has reached the upper limit.

Description

This error code is reported when the number of times that the continuationManager.register API is called exceeds the upper limit.

Possible Causes

The number of device registration times has reached the upper limit.

Solution

Restart the service and avoid frequent registration.

29360208 The token is not registered.

Error Message

The token is not registered.

Description

This error code is reported when an API of continuationManager is called with an unregistered token.

Possible Causes

The token is not registered.

Solution

29360209 The callback has been registered.

Error Message

The callback has been registered.

Description

This error code is reported when the continuationManager.on API is called with a callback the same as a previous one.

Possible Causes

The specified callback has been registered.

Solution

Do not use the same callback for repeated registration.

29360210 The callback is not registered.

Error Message

The callback is not registered.

Description

This error code is reported when the off, updateConnectStatus, or startDeviceManager API of continuationManager is called with a callback that has been not registered by calling on.

Possible Causes

The specified callback is not registered.

Solution

29360211 Failed to connect to the ability.

Error Message

Failed to connect to the ability.

Description

This error code is reported if connection to the specified ability fails when the startDeviceManager API of continuationManager is called.

Possible Causes

The specified token is invalid or the target ability is not working properly.

Solution

Check whether the token is valid and whether the corresponding ability is normal. Restart the service or device when needed.

29360214 The type of callback is not supported.

Error Message

The type of callback is not supported.

Description

This error code is reported when the callback parameter in the on or off API of continuationManager is set to an incorrect type.

Possible Causes

The callback type is not supported.

Solution

Pass a supported type for the callback parameter.

29360215 Invalid connection state.

Error Message

Invalid connection state.

Description

This error code is reported when the status parameter in the updateConnectStatus API of continuationManager is invalid.

Possible Causes

The status parameter is invalid.

Solution

Use a valid value for the status parameter.

29360216 Invalid continuation mode.

Error Message

Invalid continuation mode.

Description

This error code is reported when the ContinuationExtraParams.continuationMode parameter in the register or startDeviceManager API of continuationManager is invalid.

Possible Causes

The ContinuationExtraParams.continuationMode parameter is invalid.

Solution

Use a valid value for the ContinuationExtraParams.continuationMode parameter.