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E-MapReduce:ListLogContents

Last Updated:Mar 10, 2025
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Get Log Content

Debugging

You can run this interface directly in OpenAPI Explorer, saving you the trouble of calculating signatures. After running successfully, OpenAPI Explorer can automatically generate SDK code samples.

Authorization information

The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:

  • Operation: the value that you can use in the Action element to specify the operation on a resource.
  • Access level: the access level of each operation. The levels are read, write, and list.
  • Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
    • For mandatory resource types, indicate with a prefix of * .
    • If the permissions cannot be granted at the resource level, All Resources is used in the Resource type column of the operation.
  • Condition Key: the condition key that is defined by the cloud service.
  • Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
OperationAccess levelResource typeCondition keyAssociated operation
emr-serverless-spark:ListLogContents
*All Resources
*
    none
none

Request syntax

GET /api/v1/workspaces/{workspaceId}/action/listLogContents HTTP/1.1

Request parameters

ParameterTypeRequiredDescriptionExample
fileNamestringNo

Full path of the file.

oss://datadev******.cn-hangzhou.oss-dls.aliyuncs.com/w-72704d9fb0******/spark/logs/jr-af51aa63cc******/driver/stdout.log
offsetintegerNo

Start line for query.

0
lengthintegerNo

Length of the log.

9999
workspaceIdstringNo

Workspace ID.

w-72704d9fb0******
regionIdstringNo

Region ID.

cn-hangzhou

Response parameters

ParameterTypeDescriptionExample
object

Returned data

listLogContentobject

Log content.

contentsarray<object>

List of log line contents.

contentobject
LineContentstring

Log line content.

spark pi is 3.14\n
totalLengthlong

Total number of log lines.

10
requestIdstring

The request ID.

DD6B1B2A-5837-5237-ABE4-FF0C8944****

Examples

Sample success responses

JSONformat

{
  "listLogContent": {
    "contents": [
      {
        "LineContent": "spark pi is 3.14\\n"
      }
    ],
    "totalLength": 10
  },
  "requestId": "DD6B1B2A-5837-5237-ABE4-FF0C8944****"
}

Error codes

For a list of error codes, visit the Service error codes.