Updated on 2026-01-05 GMT+08:00

Querying Error Logs

Function

This API is used to query error logs of a specified DB instance. Before calling this API:

Calling Method

For details, see Calling APIs.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

  • If you are using role/policy-based authorization, see Permissions and Supported Actions for details on the required permissions.
  • If you are using identity policy-based authorization, the following identity policy-based permissions are required.

    Action

    Access Level

    Resource Type (*: required)

    Condition Key

    Alias

    Dependency

    gaussdbformysql:log:getErrorLogs

    Read

    instance *

    • g:EnterpriseProjectId

    • g:ResourceTag/<tag-key>

    gaussdb:log:list

    -

URI

POST /v3.1/{project_id}/instances/{instance_id}/error-logs

Table 1 URI parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Definition

Project ID of a tenant in a region.

To obtain this value, see Obtaining a Project ID.

Constraints

N/A

Range

The value contains 32 characters. Only letters and digits are allowed.

Default Value

N/A

instance_id

Yes

String

Definition

Instance ID, which uniquely identifies an instance.

Constraints

N/A

Range

The value contains 36 characters with a suffix of in07. Only letters and digits are allowed.

Default Value

N/A

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

Definition

User token. To obtain this value, call the IAM API for obtaining a user token.

The value of X-Subject-Token in the response header is the token value.

Constraints

N/A

Range

N/A

Default Value

N/A

X-Language

No

String

Definition

Request language type.

Constraints

N/A

Range

  • en-us

  • zh-cn

Default Value

en-us

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

node_id

Yes

String

Node ID.

start_time

Yes

String

Definition

Start time.

Constraints

The value is in the "yyyy-mm-ddThh:mm:ssZ" format.

T is the separator between the calendar and the hourly notation of time. Z indicates the time zone offset. For example, if the time zone offset is one hour, the value of Z is +0100.

Range

N/A

Default Value

N/A

end_time

Yes

String

Definition

End time.

Constraints

The value is in the "yyyy-mm-ddThh:mm:ssZ" format.

T is the separator between the calendar and the hourly notation of time. Z indicates the time zone offset. For example, if the time zone offset is one hour, the value of Z is +0100.

Range

N/A

Default Value

N/A

limit

Yes

Integer

Definition

Number of records to be queried.

Constraints

N/A

Range

< 5000

Default Value

N/A

line_num

No

String

Definition

Sequence number of a log event.

Constraints

This parameter is not required for the first query, but is required for subsequent pagination queries. The value can be obtained from the response of the last query.

Range

N/A

Default Value

N/A

level

No

String

Definition

Log level.

Constraints

N/A

Range

  • ALL

  • INFO

  • WARNING

  • ERROR

  • FATAL

  • PANIC

  • NOTE

Default Value

ALL

Response Parameters

Status code: 200

Table 4 Response body parameter

Parameter

Type

Description

error_log_list

Array of LtsLogErrorDetail objects

Definition

Error logs.

Table 5 LtsLogErrorDetail

Parameter

Type

Description

node_id

String

Definition

Node ID.

Range

The value contains 36 characters, starting with a UUID and ending with no07. Only letters and digits are allowed.

time

String

Definition

Execution time.

Range

N/A

level

String

Definition

Log level.

Range

N/A

content

String

Definition

Error log content.

Range

N/A

line_num

String

Definition

Sequence number of a log event.

Range

N/A

Status code: 400

Table 6 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Status code: 500

Table 7 Response body parameters

Parameter

Type

Description

error_code

String

Error code.

error_msg

String

Error message.

Example Request

Querying error logs

POST https://{endpoint}/v3.1/056538411200d4cd2f79c003c7606412/instances/096c0fc43e804757b59946b80dc27f8bin07/error-logs
{
  "start_time" : "2022-11-20T00:00:00+0800",
  "end_time" : "2022-11-29T00:00:00+0800",
  "node_id" : "cc07c60e94ec4575989840e648fb4f66no07",
  "limit" : 10,
  "line_num" : 1669344916000
}

Example Response

Status code: 200

Success.

{
  "error_log_list" : [ {
    "node_id" : "cc07c60e94ec4575989840e648fb4f66no07",
    "time" : "2022-11-25T10:55:16.000",
    "level" : "ERROR",
    "content" : "[MY013508] [Repl] do failed: 1",
    "line_num" : 1669344916000
  } ]
}

SDK Sample Code

The SDK sample code is as follows.

Querying error logs

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.gaussdb.v3.region.GaussDBRegion;
import com.huaweicloud.sdk.gaussdb.v3.*;
import com.huaweicloud.sdk.gaussdb.v3.model.*;


public class ListLtsErrorLogDetailsSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");
        String projectId = "{project_id}";

        ICredential auth = new BasicCredentials()
                .withProjectId(projectId)
                .withAk(ak)
                .withSk(sk);

        GaussDBClient client = GaussDBClient.newBuilder()
                .withCredential(auth)
                .withRegion(GaussDBRegion.valueOf("<YOUR REGION>"))
                .build();
        ListLtsErrorLogDetailsRequest request = new ListLtsErrorLogDetailsRequest();
        request.withInstanceId("{instance_id}");
        LtsLogErrorQueryRequest body = new LtsLogErrorQueryRequest();
        body.withLineNum("1669344916000");
        body.withLimit(10);
        body.withEndTime("2022-11-29T00:00:00+0800");
        body.withStartTime("2022-11-20T00:00:00+0800");
        body.withNodeId("cc07c60e94ec4575989840e648fb4f66no07");
        request.withBody(body);
        try {
            ListLtsErrorLogDetailsResponse response = client.listLtsErrorLogDetails(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}

Querying error logs

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# coding: utf-8

import os
from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkgaussdb.v3.region.gaussdb_region import GaussDBRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkgaussdb.v3 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = os.environ["CLOUD_SDK_AK"]
    sk = os.environ["CLOUD_SDK_SK"]
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId)

    client = GaussDBClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(GaussDBRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = ListLtsErrorLogDetailsRequest()
        request.instance_id = "{instance_id}"
        request.body = LtsLogErrorQueryRequest(
            line_num="1669344916000",
            limit=10,
            end_time="2022-11-29T00:00:00+0800",
            start_time="2022-11-20T00:00:00+0800",
            node_id="cc07c60e94ec4575989840e648fb4f66no07"
        )
        response = client.list_lts_error_log_details(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Querying error logs

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    gaussdb "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/gaussdb/v3"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/gaussdb/v3/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/gaussdb/v3/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")
    projectId := "{project_id}"

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        Build()

    client := gaussdb.NewGaussDBClient(
        gaussdb.GaussDBClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.ListLtsErrorLogDetailsRequest{}
	request.InstanceId = "{instance_id}"
	lineNumLtsLogErrorQueryRequest:= "1669344916000"
	request.Body = &model.LtsLogErrorQueryRequest{
		LineNum: &lineNumLtsLogErrorQueryRequest,
		Limit: int32(10),
		EndTime: "2022-11-29T00:00:00+0800",
		StartTime: "2022-11-20T00:00:00+0800",
		NodeId: "cc07c60e94ec4575989840e648fb4f66no07",
	}
	response, err := client.ListLtsErrorLogDetails(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

Status Code

For details, see Status Codes.

Error Code

For details, see Error Codes.