Retrieves a historic external task log by id.

Method

GET /history/external-task-log/{id}

Parameters

Path Parameters

Name	Description
id	The id of the log entry.

Result

A JSON object with the following properties:

Name	Value	Description
id	String	The id of the log entry.
externalTaskId	String	The id of the external task.
timestamp	String	The time when the log entry has been written.
topicName	String	The topic name of the associated external task.
workerId	String	The id of the worker that posessed the most recent lock.
retries	Number	The number of retries the associated external task has left.
priority	Number	The execution priority the external task had when the log entry was created.
errorMessage	String	The message of the error that occurred by executing the associated external task.
activityId	String	The id of the activity on which the associated external task was created.
activityInstanceId	String	The id of the activity instance on which the associated external task was created.
executionId	String	The execution id on which the associated external task was created.
processInstanceId	String	The id of the process instance on which the associated external task was created.
processDefinitionId	String	The id of the process definition which the associated external task belongs to.
processDefinitionKey	String	The key of the process definition which the associated external task belongs to.
tenantId	String	The id of the tenant that this historic external task log entry belongs to.
creationLog	boolean	A flag indicating whether this log represents the creation of the associated external task.
failureLog	boolean	A flag indicating whether this log represents the failed execution of the associated external task.
successLog	boolean	A flag indicating whether this log represents the successful execution of the associated external task.
deletionLog	boolean	A flag indicating whether this log represents the deletion of the associated external task.
removalTime	String	The time after which this log should be removed by the History Cleanup job. Default format* yyyy-MM-dd'T'HH:mm:ss.SSSZ.
rootProcessInstanceId	String	The process instance id of the root process instance that initiated the process containing this log.

* For further information, please see the documentation.

Response Codes

Code	Media type	Description
200	application/json	Request successful.
404	application/json	Historic external task log with given id does not exist. See the Introduction for the error response format.

Example

Request

GET /history/external-task-log/someId

Response

Status 200.

{
  "id" : "someId",
  "timestamp" : "2017-01-15T15:22:20.000+0200",
  "externalTaskId" : "anExternalTaskId",
  "topicName" : "aTopicName",
  "workerId" : "aWorkerId",
  "retries" : 3,
  "priority": 5,
  "errorMessage" : "An error occured!",
  "activityId" : "externalServiceTask",
  "activityInstanceId" : "externalServiceTask:15",
  "executionId" : "anExecutionId",
  "processInstanceId" : "aProcessInstanceId",
  "processDefinitionId" : "aProcessDefinitionId",
  "processDefinitionKey" : "aProcessDefinitionKey",
  "tenantId": null,
  "creationLog" : false,
  "failureLog" : true,
  "successLog" : false,
  "deletionLog" : false,
  "removalTime":"2018-02-10T14:33:19.000+0200",
  "rootProcessInstanceId": "aRootProcessInstanceId"
}