Unable to investigate path path – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 7-8.9

Briefly, this error occurs when Elasticsearch cannot access or find the specified path. This could be due to incorrect path configuration, insufficient permissions, or the path not existing. To resolve this issue, you can verify the path is correctly configured in Elasticsearch settings, ensure Elasticsearch has the necessary permissions to access the path, or check if the path exists and is accessible.

This guide will help you check for common problems that cause the log ” Unable to investigate path [” + path + “] ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: cluster.

Log Context

Log “Unable to investigate path [” + path + “]” class name is ElasticsearchNodeCommand.java. We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 private static NodeEnvironment.DataPath createDataPath(Path path) {
 try {
 return new NodeEnvironment.DataPath(path);
 } catch (IOException e) {
 throw new ElasticsearchException("Unable to investigate path [" + path + "]"; e);
 }  // package-private for testing
 OptionParser getParser() {


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