How To Solve Issues Related to Log – Unable to link Windows/Kernel32 library. native methods and handlers will be disabled.

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Troubleshooting background

To troubleshoot Elasticsearch log “Unable to link Windows/Kernel32 library. native methods and handlers will be disabled.” it’s important to know common problems related to Elasticsearch concepts: bootstrap. 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 :

1. Sufficient Memory For Java Runtime  

2. Iled To Write Core Dump Minidumps A      


Log Context

Log ”Unable to link Windows/Kernel32 library. native methods and handlers will be disabled.” classname is JNAKernel32Library.java
We have extracted the following from Elasticsearch source code to get an in-depth context :

                 Native.register("kernel32");
                logger.debug("windows/Kernel32 library loaded");
            } catch (NoClassDefFoundError e) {
                logger.warn("JNA not found. native methods and handlers will be disabled.");
            } catch (UnsatisfiedLinkError e) {
                logger.warn("unable to link Windows/Kernel32 library. native methods and handlers will be disabled.");
            }
        }
    }

    static JNAKernel32Library getInstance() {






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