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Briefly, this error occurs when Elasticsearch is unable to retrieve network information due to issues like incorrect network settings, firewall restrictions, or insufficient permissions. To resolve this, you can check and correct your network settings, ensure Elasticsearch has the necessary permissions, and adjust your firewall settings to allow Elasticsearch to access the network. Additionally, ensure that your operating system and Elasticsearch version are compatible.
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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 Elasticsearch concepts: network.
Log Context
Log “unable to gather network information” classname is IfConfig.java.
We extracted the following from Elasticsearch source code for those seeking 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 */
