How To Solve Issues Related to Log – Failed to send second ping request

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Elasticsearch Error Guide In Page Navigation :

Troubleshooting Background – start here to get the full picture       
Related Issues – selected resources on related issues  
Log Context – usefull for experts
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Troubleshooting background

To troubleshoot Elasticsearch log “Failed to send second ping request” it’s important to know common problems related to Elasticsearch concepts: discovery, discovery-multicast, ping, Plugin, request. 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 :

Exception At Startup Failed To Send
discuss.elastic.co/t/exception-at-startup-failed-to-send-ping-request-over-multicast/3671

 

Elasticsearch Failed To Send Ping E
discuss.elastic.co/t/elasticsearch-failed-to-send-ping-error/55125

 


Log Context

Log ”Failed to send second ping request” classname is MulticastZenPing.java
We have extracted the following from Elasticsearch source code to get an in-depth context :

             // try and send another ping request halfway through (just in case someone woke up during it...)
            // this can be a good trade-off to nailing the initial lookup or un-delivered messages
            threadPool.schedule(TimeValue.timeValueMillis(timeout.millis() / 2); ThreadPool.Names.GENERIC; new AbstractRunnable() {
                
Override
                public void onFailure(Throwable t) {
                    logger.warn("[{}] failed to send second ping request"; t; id);
                    finalizePingCycle(id; listener);
                }

                
Override
                public void doRun() {




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