Log Attempt to execute a master node operation without task – How To Solve Related Issues

Log Attempt to execute a master node operation without task – How To Solve Related Issues

Updated: Jan-20

Elasticsearch Version: 1.7-8.0

Background

To resolve issues causing many log errors you can try our Elasticsearch Check-Up it analyses ES configuration to provide actionable recommendations (no installation required) 


To troubleshoot log “Attempt to execute a master node operation without task” it’s important to understand a few problems related to Elasticsearch concepts master, node, task. See bellow important tips and explanations on these concepts

Log Context

Log”Attempt to execute a master node operation without task” classname is TransportMasterNodeAction.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 
    protected abstract ClusterBlockException checkBlock(Request request; ClusterState state);

    
Override
    protected final void doExecute(final Request request; ActionListener listener) {
        logger.warn("attempt to execute a master node operation without task");
        throw new UnsupportedOperationException("task parameter is required for this operation");
    }

    
Override
    protected void doExecute(Task task; final Request request; ActionListener listener) {


Related issues to this log

We have gathered selected Q&A from the community and issues from Github, that can help fix related issues please review the following for further information :

1 Elasticsearch 6 1 3 Failed To Disco  

Github Issue Number 27194  

Github Issue Number 10564

 

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