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

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

Updated: Jan-20

Elasticsearch Version: 1.7-8.0

Background

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To troubleshoot log “Unable to link Windows/Kernel32 library. native methods and handlers will be disabled.” it’s important to understand a few problems related to Elasticsearch concepts bootstrap. See bellow important tips and explanations on these concepts

Log Context

Log”Unable to link Windows/Kernel32 library. native methods and handlers will be disabled.” classname is JNAKernel32Library.java
We extracted the following from Elasticsearch source code for those seeking 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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