Unable to gather network information – How to solve this OpenSearch error

Opster Team

Aug-23, Version: 1-2.9

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Briefly, this error occurs when OpenSearch is unable to retrieve network-related information. This could be due to network connectivity issues, incorrect network configuration, or insufficient permissions to access network information. To resolve this, you can check your network connection and ensure it’s stable. Verify your network configuration settings to ensure they are correct. If the issue persists, check if OpenSearch has the necessary permissions to access network information. If not, adjust the permissions accordingly.

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This guide will help you check for common problems that cause the log ” unable to gather network information ” to appear. To understand the issues related to this log, read the explanation below about the following OpenSearch concepts: network.

Log Context

Log “unable to gather network information” classname is IfConfig.java.
We extracted the following from OpenSearch source code for those seeking an in-depth context :

    public static void logIfNecessary() {
        if (logger.isDebugEnabled()) {
            try {
            } 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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