Log No ec2 metadata returned from – How To Solve Related Issues



Log No ec2 metadata returned from – How To Solve Related Issues

Opster Team

Feb-20, Version: 1.7-8.0



Before you begin reading this guide, we recommend you try running the Elasticsearch Error Check-Up  which can resolve issues causing many log errors (free and no installation required)

 

This guide will help you check for common problems that cause the log “No ec2 metadata returned from” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: cloud-aws, discovery-ec2, metadata, node, plugins.


Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to discover the cause of many errors and provides suitable actionable recommendations. 

Log Context

Log”no ec2 metadata returned from {}” classname is Ec2CustomNodeAttributes.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

             in = urlConnection.getInputStream();
            BufferedReader urlReader = new BufferedReader(new InputStreamReader(in; StandardCharsets.UTF_8));

            String metadataResult = urlReader.readLine();
            if (metadataResult == null || metadataResult.length() == 0) {
                logger.error("no ec2 metadata returned from {}"; url);
                return null;
            }
            ec2Attributes.put("aws_availability_zone"; metadataResult);
        } catch (IOException e) {
            logger.debug("failed to get metadata for [placement/availability-zone]"; e);




 

Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 Filter out metadata fields and only return source fields in elasticsearch -views 21.04 K ,score 29

S Instance Metadata For Iam Is Not  

 

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