linux – 无法加载JNA本机支持库Elasticsearch 6.x.

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我在我的Debian 7中安装了Elasticsearch 6.x(wheezy).我试着从服务弹性搜索开始,但它给我一个错误消息

root@debian:~# sudo -i service elasticsearch start
[FAIL] Starting Elasticsearch Server: failed!

我试着在nano /var/log/elasticsearch/elasticsearch.log上查看elasticsearch日志文件,我收到了这个错误

[2017-12-14T11:25:39,153][WARN ][o.e.b.Natives            ] unable to load JNA native support library, native methods will be disabled.
java.lang.UnsatisfiedLinkError: Native library (com/sun/jna/linux-x86/libjnidispatch.so) not found in resource path ([file:/usr/share/elasticsearch/lib/lucene-spatial-$
        at com.sun.jna.Native.loadNativeDispatchLibraryFromClasspath(Native.java:962) ~[jna-4.4.0-1.jar:4.4.0 (b0)]
        at com.sun.jna.Native.loadNativeDispatchLibrary(Native.java:922) ~[jna-4.4.0-1.jar:4.4.0 (b0)]
        at com.sun.jna.Native.<clinit>(Native.java:190) ~[jna-4.4.0-1.jar:4.4.0 (b0)]
        at java.lang.Class.forName0(Native Method) ~[?:1.8.0_151]
        at java.lang.Class.forName(Class.java:264) ~[?:1.8.0_151]
        at org.elasticsearch.bootstrap.Natives.<clinit>(Natives.java:45) [elasticsearch-6.1.0.jar:6.1.0]
        at org.elasticsearch.bootstrap.Bootstrap.initializeNatives(Bootstrap.java:103) [elasticsearch-6.1.0.jar:6.1.0]
        at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:171) [elasticsearch-6.1.0.jar:6.1.0]
        at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:322) [elasticsearch-6.1.0.jar:6.1.0]
        at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:121) [elasticsearch-6.1.0.jar:6.1.0]
        at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:112) [elasticsearch-6.1.0.jar:6.1.0]
        at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) [elasticsearch-6.1.0.jar:6.1.0]
        at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) [elasticsearch-cli-6.1.0.jar:6.1.0]
        at org.elasticsearch.cli.Command.main(Command.java:90) [elasticsearch-cli-6.1.0.jar:6.1.0]
        at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:92) [elasticsearch-6.1.0.jar:6.1.0]
        at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:85) [elasticsearch-6.1.0.jar:6.1.0]
[2017-12-14T11:25:39,212][WARN ][o.e.b.Natives            ] cannot check if running as root because JNA is not available
[2017-12-14T11:25:39,212][WARN ][o.e.b.Natives            ] cannot install system call filter because JNA is not available
[2017-12-14T11:25:39,215][WARN ][o.e.b.Natives            ] cannot register console handler because JNA is not available
[2017-12-14T11:25:39,256][WARN ][o.e.b.Natives            ] cannot getrlimit RLIMIT_NPROC because JNA is not available
[2017-12-14T11:25:39,256][WARN ][o.e.b.Natives            ] cannot getrlimit RLIMIT_AS beacuse JNA is not available
[2017-12-14T11:25:39,256][WARN ][o.e.b.Natives            ] cannot getrlimit RLIMIT_FSIZE because JNA is not available

我该如何解决这个问题？我已经安装了java,它的版本是javac 1.8.0_151

我的代码可能出现什么问题？
`

解决方法:

>转到/ etc / sysconfig / elasticsearch
>添加ES_JAVA_OPTS =“ – Djna.tmpdir = / var / lib / elasticsearch / tmp”
>开始弹性搜索.
>你现在可以看到在/ var / lib / elasticsearch /中创建的tmp文件夹.
>此文件夹应具有“elasticsearch”用户的执行权限
>使用namei -l / var / lib / elasticsearch检查权限
> dr-xr-xr-x root root /
drwxr-xr-x root root var
drwxr-xr-x root root lib
drwxr-x — elasticsearch elasticsearch elasticsearch

我希望你的问题能得到解决.

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