Briefly, this error occurs when there is a malformed entry in the Elasticsearch users file. This could be due to incorrect syntax, missing fields, or invalid characters. To resolve this issue, you should first identify the problematic line by checking the Elasticsearch logs. Then, correct the syntax or remove the invalid characters. If a field is missing, add it. Always ensure that the users file follows the correct format. If the problem persists, consider recreating the users file.
This guide will help you check for common problems that cause the log ” invalid entry in users file [{}]; line [{}]. skipping… ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.
Log Context
Log “invalid entry in users file [{}]; line [{}]. skipping…” classname is FileUserPasswdStore.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :
// only trim the line because we have a format; our tool generates the formatted text and we shouldn't be lenient
// and allow spaces in the format
line = line.trim();
int i = line.indexOf(':');
if (i
