How To Solve Issues Related to Log – Unable to gather network information

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Updated: Jan-20

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Troubleshooting background

To troubleshoot Elasticsearch log “Unable to gather network information” it’s important to understand common problems related to Elasticsearch concepts: network. See detailed explanations below complete with common problems, examples and useful tips.


To help troubleshoot related issues we have gathered selected Q&A from the community and issues from Github , please review the following for further information :

1 Github Issue Number 20922  

2Retrieving Over A Million Records I  


Log Context

Log ”Unable to gather network information” classname is IfConfig.java
We have extracted the following from Elasticsearch source code to get an in-depth context :

     public static void logIfNecessary() {
        if (logger.isDebugEnabled()) {
            try {
                doLogging();
            } catch (IOException e) {
                logger.warn("unable to gather network information"; e);
            }
        }
    }

    /** perform actual logging: might throw exception if things go wrong */






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