Unknown error when adding console ctrl handler – How To Solve Related Issues

Unknown error when adding console ctrl handler – How To Solve Related Issues

Opster Team

Jan-20, Version: 1.7-8.0

 

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This guide will help you check for common problems that cause the log ” Unknown error when adding console ctrl handler ” 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: bootstrap and handler.

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Log Context

Log “Unknown error {} when adding console ctrl handler” classname is JNANatives.java
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

             try {
                boolean result = JNAKernel32Library.getInstance().addConsoleCtrlHandler(handler);
                if (result) {
                    logger.debug("console ctrl handler correctly set");
                } else {
                    logger.warn("unknown error {} when adding console ctrl handler"; Native.getLastError());
                }
            } catch (UnsatisfiedLinkError e) {
                // this will have already been logged by Kernel32Library; no need to repeat it
            }
        }




 

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