harmony 鸿蒙HiSysEvent Error Codes

2022-12-13
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HiSysEvent Error Codes

NOTE

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

1120001 Invalid Event Domain

Error Message

Invalid event domain.

Description

This error code is reported if the write API is called to perform system event logging but the system ignores the logging operation 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.
The event domain name is not empty and contains a maximum of 16 characters.

Solution

Specify a valid event domain name.

1120002 Invalid Event Name

Error Message

Invalid event name.

Description

This error code is reported if the write API is called to perform system event logging but the system ignores the logging operation 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 digits, letters, and underscores (_).
The event name starts with a letter.
The event name is not empty and contains a maximum of 32 characters.

Solution

Check whether the event name is valid.

11200003 Environment Error

Error Message

Abnormal environment.

Description

This error code is reported if the write API is called to perform system event logging but the system ignores the logging operation because the environment is abnormal.

Possible Causes

The hiview service fails to be started.
The socket of the hiview service is abnormal.

Solution

Call the write API again to perform event logging.

11200004 Invalid Event Length

Error Message

Length of the event is over limit.

Description

This error code is reported if the write API is called to perform system event logging but the system ignores the logging operation because the total event length is invalid.

Possible Causes

The total event length exceeds 384 KB.

Solution

Check whether the total event length is greater than 384 KB.

11200051 Invalid Event Parameter

Error Message

Invalid event parameter.

Description

This error code is reported if the write API is called to perform system event logging but the system throws an exception because the input parameter name is invalid. However, the system will continue to complete the logging operation.

Possible Causes

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

The event parameter name contains only digits, letters, and underscores (_).
The event parameter name starts with a letter.
The event parameter name is not empty and contains a maximum of 48 characters.

Solution

Check whether the event parameter name is valid.

11200052 Length of Event Parameter Values of the String Type Exceeding the Limit

Error Message

Size of the event parameter of the string type is over limit.

Description

This error code is reported if the write API is called to perform system event logging but the system throws an exception because the length of event parameter values of the string type is invalid. However, the system will continue to complete the logging operation.

Possible Causes

The length of parameter values of the string type exceeds 10 KB.

Solution

Check whether the length of parameter values of the string type exceeds 10 KB.

11200053 Number of Event Parameters Exceeding the Limit

Error Message

Count of event parameters is over limit.

Description

This error code is reported if the write API is called to perform system event logging but the system throws an exception because the number of event parameters is invalid. However, the system will continue to complete the logging operation.

Possible Causes

The number of event parameters exceeds 128.

Solution

Check whether the number of event parameters exceeds 128.

11200054 Length of Event Parameter Values of the Array Type Exceeding the Limit

Error Message

Count of event parameter of the array type is over limit.

Description

This error code is reported if the write API is called to perform system event logging but the system throws an exception because the length of event parameter values of the array type is invalid. However, the system will continue to complete the logging operation.

Possible Causes

The length of a parameter values of the array type exceeds 100.

Solution

Check whether the length of the parameter value of the array type exceeds 100.

11200101 Number of Event Watchers Exceeding the Limit

Error Message

Count of watchers is over limit.

Description

This error code is reported if the addWatcher API is called to add an event watcher but the system rejects the operation because the number of watchers has exceeded the limit.

Possible Causes

A total of 30 event watchers have been added.

Solution

Check whether the number of event watchers exceeds 30.

11200102 Number of Event Watcher Rules Exceeding the Limit

Error Message

Count of watch rules is over limit.

Description

This error code is reported if the addWatcher API is called to add an event watcher but the system rejects the operation because the number of watcher rules has exceeded the limit.

Possible Causes

A total of 20 event watcher rules have been added.

Solution

Check whether the number of event watcher rules exceeds 20.

11200201 Event Watcher Not Exist

Error Message

The watcher does not exist.

Description

This error code is reported if the removeWatcher API is called to remove an event watcher but the system rejects the operation because the watcher does not exist.

Possible Causes

The event watcher to be removed is empty.
The event watcher to be removed has not been successfully added.

Solution

Check whether the event watcher to the removed is empty or whether the event watcher has been successfully added.

11200301 Number of Query Rules Exceeding the Limit

Error Message

Count of query rules is over limit.

Description

This error code is reported if the query API is called to query system events but the system ignores the operation because the number of query rules has exceeded the limit.

Possible Causes

The number of query rules exceeds 10.

Solution

Check whether the number of query rules exceeds 10.

11200302 Invalid Query Rule

Error Message

Invalid query rule.

Description

This error code is reported if the query API is called to query system events but the system ignores the operation because the input query rule is invalid.

Possible Causes

The event domain name in the query rule contains more than 16 characters or the event name contains more than 32 characters.
The event domain name or event name in the query rule contains special characters.
The event domain name or event name in the query rule is empty.

Solution

Check whether the event domain name and event name configured in the query rule are valid.

11200303 Number of Concurrent Queries Exceeding the Limit

Error Message

Count of concurrent queries is over limit.

Description

This error code is reported if the query API is called to query system events but the system ignores the operation because the number of concurrent queries has exceeded the limit.

Possible Causes

The number of concurrent queries exceeds 4.

Solution

Check whether more than four queries are performed at the same time.

11200304 Query Frequency Exceeding the Limit

Error Message

Query frequency is over limit.

Description

This error code is reported if the query API is called to query system events but the system ignores the operation because the query frequency has exceeded the limit.

Possible Causes

More than one query is performed in one second.

Solution

Check whether more than one query is performed in one second.