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调用Databricks Jobs API触发任务时遇“Run settings must be specified”错误求助

问题:调用Databricks Jobs API触发DAG任务时返回"Run settings must be specified"错误

在Databricks中手动创建了一个包含多个子任务的DAG任务(任务类型为Run job),手动运行可正常完成所有子任务,但通过Python notebook调用API触发时,无论是否设置settings、留空settings、复制任务自身的settings JSON,还是替换整个data为完整任务JSON,均返回错误:

{"error_code":"INVALID_PARAMETER_VALUE","message":"Run settings must be specified"}

用户原代码示例:

import requests

databricks_instance = "https://<my instance>" + ".cloud.databricks.com"
access_token = "<my access token>"

headers = {
    "Authorization": f"Bearer {access_token}",
    "Content-Type": "application/json"
}

data = {
    "job_id": "<my job id>",
    "settings": {<settings copied from job's json>}
}

response = requests.post(f"{databricks_instance}/api/2.0/jobs/runs/submit", json=data, headers=headers)

if response.status_code == 200:
    print(f"Job run triggered successfully for Job ID: {<my job id>}")
else:
    print(f"Failed to trigger job run for Job ID: {<my job id>}")
    print(response.text)

用户已查阅相关文档但未找到解决方案。


解决方案:使用正确的API端点与最小化参数

问题核心是API端点使用错误:你用了jobs/runs/submit(用于创建并运行新任务),但触发已有任务应该使用jobs/run-now端点。

触发该DAG任务的最小化JSON参数仅需指定job_id,无需额外的settings字段,格式如下:

{
  "job_id": "<你的任务ID>"
}

修正后的完整代码:

import requests

databricks_instance = "https://<my instance>" + ".cloud.databricks.com"
access_token = "<my access token>"

headers = {
    "Authorization": f"Bearer {access_token}",
    "Content-Type": "application/json"
}

# 最小化参数:仅需job_id
data = {
    "job_id": "<my job id>"
}

# 替换为正确的API端点
response = requests.post(f"{databricks_instance}/api/2.0/jobs/run-now", json=data, headers=headers)

if response.status_code == 200:
    print(f"Job run triggered successfully for Job ID: {<my job id>}")
else:
    print(f"Failed to trigger job run for Job ID: {<my job id>}")
    print(response.text)

如果需要传递运行时参数(如覆盖任务的某些配置),可以添加job_parameters字段,例如:

{
  "job_id": "<你的任务ID>",
  "job_parameters": {
    "param1": "value1",
    "param2": "value2"
  }
}

内容的提问来源于stack exchange,提问作者revitev

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最近更新时间:2026.07.12 14:05:23