How To Solve Issues Related to Log – Unable to get mac address; will use a dummy address

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Last update: Feb-20

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Related Issues – selected resources on related issues  
Log Context – usefull for experts
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Troubleshooting background

To troubleshoot Elasticsearch log “Unable to get mac address; will use a dummy address” it’s important to know common problems related to Elasticsearch concepts: Index, Memory. See below-detailed explanations 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 :

Github Issue Number 17819
github.com/elastic/elasticsearch/issues/17819

 

Github Issue Number 10099
github.com/elastic/elasticsearch/issues/10099

 


Log Context

Log ”Unable to get mac address; will use a dummy address” classname is MacAddressProvider.java
We have extracted the following from Elasticsearch source code to get an in-depth context :

     public static byte[] getSecureMungedAddress() {
        byte[] address = null;
        try {
            address = getMacAddress();
        } catch (Throwable t) {
            logger.warn("Unable to get mac address; will use a dummy address"; t);
            // address will be set below
        }

        if (!isValidAddress(address)) {
            logger.warn("Unable to get a valid mac address; will use a dummy address");






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