Registered two transport handlers for action ; handlers: ; – How to solve related issues

Average Read Time

2 Mins

Registered two transport handlers for action ; handlers: ; – How to solve related issues

Opster Team

Feb-20, Version: 1.7-8.0

Before you begin reading this guide, we recommend you run Elasticsearch Error Check-Up which can resolve issues that cause many errors.

This guide will help you check for common problems that cause the log ” Registered two transport handlers for action ; handlers: ; ” to appear. It’s important to understand the issues related to the log, so to get started, read the general overview on common issues and tips related to the Elasticsearch concepts: recovery.

Advanced users might want to skip right to the common problems section in each concept or try running the Check-Up which analyses ES to pinpoint the cause of many errors and provides suitable actionable recommendations how to resolve them (free tool that requires no installation).

Log Context

{{mpg_logstarted}}

Log “registered two transport handlers for action {}; handlers: {}; {}” classname is TransportService.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

     protected  void registerRequestHandler(RequestHandlerRegistry reg) {
        synchronized (requestHandlerMutex) {
            RequestHandlerRegistry replaced = requestHandlers.get(reg.getAction());
            requestHandlers = MapBuilder.newMapBuilder(requestHandlers).put(reg.getAction(); reg).immutableMap();
            if (replaced != null) {
                logger.warn("registered two transport handlers for action {}; handlers: {}; {}"; reg.getAction(); reg; replaced);
            }
        }
    }

    public void removeHandler(String action) {




 

Run the Check-Up to get a customized report like this:

Analyze your cluster