Task for transform not fully initialized Try again later – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7.2-7.3

Briefly, this error occurs when Elasticsearch is trying to execute a transform task that hasn’t been fully initialized yet. This could be due to a slow initialization process or a system resource issue. To resolve this, you can try the following: 1) Wait for a few moments and retry the operation, as the initialization might be in progress. 2) Check the system resources to ensure there’s enough memory and CPU available for the task. 3) Review the Elasticsearch logs for any related issues that might be causing the delay in initialization.

This guide will help you check for common problems that cause the log ” Task for transform [{}] not fully initialized. Try again later ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: task, plugin.

Log Context

Log “Task for transform [{}] not fully initialized. Try again later” class name is DataFrameTransformTask.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 *                           current checkpoint is not set
 * @param listener Started listener
 public synchronized void start(Long startingCheckpoint; ActionListener listener) {
 if (getIndexer() == null) {
 listener.onFailure(new ElasticsearchException("Task for transform [{}] not fully initialized. Try again later";
 final IndexerState newState = getIndexer().start();
 if (Arrays.stream(RUNNING_STATES).noneMatch(newState::equals)) {