Briefly, this error occurs when Elasticsearch fails to change the routing state of a task to ‘stopping’ due to an internal issue. This could be due to a network problem, a node failure, or a problem with the task itself. To resolve this issue, you can try the following: 1) Check the health of your nodes and network, 2) Investigate the task causing the error, it might be corrupted or improperly configured, 3) Restart the Elasticsearch service, and 4) If the problem persists, consider reindexing your data.
This guide will help you check for common problems that cause the log ” [” + task.getModelId() + “] failed to set routing state to stopping due to error ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin, task.
Overview
A task is an Elasticsearch operation, which can be any request performed on an Elasticsearch cluster, such as a delete by query request, a search request and so on. Elasticsearch provides a dedicated Task API for the task management which includes various actions, from retrieving the status of current running tasks to canceling any long running task.
Examples
Get all currently running tasks on all nodes of the cluster
Apart from other information, the response of the below request contains task IDs of all the tasks which can be used to get detailed information about the particular task in question.
GET _tasks
Get detailed information of a particular task
Where clQFAL_VRrmnlRyPsu_p8A:1132678759 is the ID of the task in below request
GET _tasks/clQFAL_VRrmnlRyPsu_p8A:1132678759
Get all the current tasks running on particular nodes
GET _tasks?nodes=nodeId1,nodeId2
Cancel a task
Where clQFAL_VRrmnlRyPsu_p8A:1132678759 is the ID of the task in the below request
POST /_tasks/clQFAL_VRrmnlRyPsu_p8A:1132678759/_cancel?pretty
Notes
- The Task API will be most useful when you want to investigate the spike of resource utilization in the cluster or want to cancel an operation.
Log Context
Log “[” + task.getModelId() + “] failed to set routing state to stopping due to error” classname is TrainedModelAssignmentNodeService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
e
);
} else {
// this is an unexpected error
// TODO this means requests may still be routed here; should we not stop deployment?
logger.warn(() -> "[" + task.getModelId() + "] failed to set routing state to stopping due to error"; e);
}
stopDeploymentAsync(task; reason; notifyDeploymentOfStopped);
})
);
}
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