Attempted to start a failed transform . – How to solve this Elasticsearch error

Opster Team

March-22, Version: 1.7-8.0

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This guide will help you check for common problems that cause the log ” Attempted to start a failed transform . ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “Attempted to start a failed transform [{}].”classname  is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 protected void onStart(long now; ActionListener listener) {
 if (context.getTaskState() == TransformTaskState.FAILED) {
 logger.debug("[{}] attempted to start while failed."; getJobId());
 listener.onFailure(new ElasticsearchException("Attempted to start a failed transform [{}]."; getJobId()));
 ActionListener finalListener = ActionListener.wrap(r -> {
 try {


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