Failed lookback import for job – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-6.8

Briefly, this error occurs when Elasticsearch is unable to import historical data for a specific job due to issues like incorrect file format, insufficient permissions, or network connectivity problems. To resolve this, ensure the data file is in the correct format and the Elasticsearch cluster has the necessary permissions to access the file. Also, check your network connection to ensure the data can be transferred successfully. If the problem persists, consider reindexing the data or restarting the Elasticsearch service.

This guide will help you check for common problems that cause the log ” Failed lookback import for job [ ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “Failed lookback import for job [” classname is DatafeedManager.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

holder.cancellable =
            Scheduler.wrapAsCancellable(threadPool.executor(MachineLearning.DATAFEED_THREAD_POOL_NAME).submit(new AbstractRunnable() {

            
Override
            public void onFailure(Exception e) {
                logger.error("Failed lookback import for job [" + holder.datafeedJob.getJobId() + "]"; e);
                holder.stop("general_lookback_failure"; TimeValue.timeValueSeconds(20); e);
            }

            
Override
            protected void doRun() {

 

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