harmony 鸿蒙Application Event Logging Error Codes

2025-06-12
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Application Event Logging Error Codes

NOTE

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

11100001 Application Event Logging Disabled

Error Message

Function disabled.

Description

The write API is called to perform application event logging, but the system ignores related events because the logging function is disabled.
The setEventParam API is called to set custom event parameters, but the system ignores the calling because the logging function is disabled.

Possible Causes

The application event logging function is disabled.

Solution

Invoke the configure API to enable the application event logging function.

   import hiAppEvent from '@ohos.hiviewdfx.hiAppEvent';

   hiAppEvent.configure({
       disable: false
   });

11101001 Invalid Event Domain Name

Error Message

Invalid event domain.

Description

The write API is called to perform application event logging, but the system ignores related events because the input event domain name is invalid.
The setEventParam API is called to set custom event parameters, but the system ignores the calling because the input event domain name is invalid.

Possible Causes

The specified event domain name does not comply with the following rules:

The event domain name contains only digits, letters, and underscores (_).
The event domain name starts with a letter and does not end with an underscore (_).
The event domain name is not empty and contains a maximum of 32 characters.

Solution

Specify a valid event domain name.

11101002 Invalid Event Name

Error Message

Invalid event name.

Description

The write API is called to perform application event logging, but the system ignores related events because the input event name is invalid.
The setEventParam API is called to set custom event parameters, but the system ignores the calling because the input event name is invalid.

Possible Causes

The specified event name does not comply with the following rules:

The event name contains only the dollar sign ($), digits, letters, and underscores (_).
The event name must start with a letter or dollar sign ($) and end with a digit or letter.
The event name is not empty and contains a maximum of 48 characters.

Solution

Specify a valid event name.

11101003 Invalid Number of Event Parameters

Error Message

Invalid number of event parameters.

Description

This error code is reported if the write API is called to perform application event logging but the system discards extra event parameters because the number of input event parameters exceeds the limit.

Possible Causes

The number of input event parameters exceeds 32.

Solution

Specify a valid number of event parameters.

11101004 Invalid Event Parameter String Length

Error Message

Invalid string length of the event parameter.

Description

The write API is called to perform application event logging, but the system ignores related event parameters because the value of the input event parameter is excessively long.
The setEventParam API is called to set custom event parameters, but the system ignores the calling because the input event parameter value is invalid.

Possible Causes

The length of the string of the event parameter value passed by the write API exceeds 8 x 1024 characters.
The length of the custom event parameter value passed by the setEventParam API exceeds 1024 characters.

Solution

Specify an event parameter value with a valid length.

11101005 Invalid Event Parameter Name

Error Message

Invalid event parameter name.

Description

The write API is called to perform application event logging but the system ignores related event parameters because the input event parameter name is invalid.
The setEventParam API is called to set custom event parameters, but the system ignores the calling because the input event parameter name is invalid.

Possible Causes

The specified event parameter name does not comply with the following rules:

The event parameter name contains only the dollar sign ($), digits, letters, and underscores (_).
The event parameter name must start with a letter or dollar sign ($) and end with a digit or letter.
The event parameter name is not empty and contains a maximum of 32 characters.

Solution

Specify a valid event parameter name.

11101006 Invalid Array Length of Event Parameter Values

Error Message

Invalid array length of the event parameter.

Description

This error code is reported if the write API is called to perform application event logging but the system discards extra array elements because the array of the event parameter value is excessively long.

Possible Causes

The array length of the event parameter value exceeds 100.

Solution

Specify a valid array length for the event parameter value.

11101007 Invalid Number of Custom Event Parameters

Error Message

The number of parameter keys exceeds the limit.

Description

The setEventParam API is called to set custom event parameters, but the system ignores the calling because the number of event parameters is invalid.

Possible Causes

The number of custom event parameters passed exceeds 64.

Solution

Specify a valid number of custom event parameters.

11102001 Invalid Watcher Name

Error Message

Invalid watcher name.

Description

This error code is reported if the addWatcher API is called to subscribe to application events but the system ignores the subscription because the specified watcher name is invalid.

Possible Causes

The specified watcher name does not comply with the following rules:

The watcher name can contain only digits, letters, and underscores (_).
The watcher name starts with a letter and does not end with an underscore (_).
The watcher name is not empty and contains a maximum of 32 characters.

Solution

Specify a valid watcher name.

11102002 Invalid Filtering Event Domain Name

Error Message

Invalid filtering event domain.

Description

This error code is reported if the addWatcher API is called to subscribe to application events but the system ignores the subscription because the specified filtering event domain name is invalid.

Possible Causes

The specified filtering event domain name does not comply with the following rules:

The event domain name contains only digits, letters, and underscores (_).
The event domain name starts with a letter and does not end with an underscore (_).
The event domain name is not empty and contains a maximum of 32 characters.

Solution

Specify a valid filtering event domain name.

11102003 Invalid Event Number

Error Message

Invalid row value.

Description

This error code is reported if the addWatcher API is called to subscribe to application events but the system ignores the subscription because an invalid event number is passed in the callback trigger condition.

Possible Causes

The event number passed in the input callback triggering condition is a negative number.

Solution

Specify a valid event number.

11102004 Invalid Event Size

Error Message

Invalid size value.

Description

This error code is reported if the addWatcher API is called to subscribe to application events but the system ignores the subscription because an invalid event size is passed in the callback trigger condition.

Possible Causes

The event size passed in the input callback triggering condition is a negative number.

Solution

Specify a valid event size.

11102005 Invalid Timeout Value

Error Message

Invalid timeout value.

Description

This error code is reported if the addWatcher API is called to subscribe to application events but the system ignores the subscription because an invalid timeout value is passed in the callback trigger condition.

Possible Causes

The timeout value passed in the input callback triggering condition is a negative number.

Solution

Specify a valid timeout value.

11103001 Invalid Maximum Storage Quota

Error Message

Invalid max storage quota value.

Description

This error code is reported if the configure API is called to subscribe to application events but the system ignores the setting because the specified maximum storage quota is invalid.

Possible Causes

The maximum storage quota does not meet the following rules:

The quota value consists of only digits and a unit (including b|k|kb|m|mb|g|gb|t|tb, which are case-insensitive).
The quota value must start with a digit. You can determine whether to pass the unit. If the unit is left empty, b (that is, byte) is used by default.

Solution

Specify a valid maximum storage quota.

11104001 Invalid Event Package Size

Error Message

Invalid size value.

Description

This error code is reported if the setSize API is called to set the threshold of the event package size but the system ignores the setting because the specified event package size is invalid.

Possible Causes

The specified event package size is a negative number.

Solution

Specify a valid event package size.