Hi,
I am struggling to get things working on my Plesk server. I have succesfully installed Elasticsearch and see this error in te log:
[2020-08-04T19:38:31,728][ERROR][o.e.b.ElasticsearchUncaughtExceptionHandler] [www.my-hostingserver.nl] fatal error in thread [elasticsearch[www.my-hostingserver.nl][scheduler][T#1]], exiting
java.lang.NoClassDefFoundError: Could not initialize class com.sun.jna.Native
at org.elasticsearch.systemd.Libsystemd.lambda$static$0(Libsystemd.java:34) ~[?:?]
at java.security.AccessController.doPrivileged(AccessController.java:312) ~[?:?]
at org.elasticsearch.systemd.Libsystemd.<clinit>(Libsystemd.java:33) ~[?:?]
at org.elasticsearch.systemd.SystemdPlugin.sd_notify(SystemdPlugin.java:126) ~[?:?]
at org.elasticsearch.systemd.SystemdPlugin.lambda$createComponents$0(SystemdPlugin.java:115) ~[?:?]
at org.elasticsearch.threadpool.Scheduler$ReschedulingRunnable.doRun(Scheduler.java:213) ~[elasticsearch-7.8.1.jar:7.8.1]
at org.elasticsearch.common.util.concurrent.ThreadContext$ContextPreservingAbstractRunnable.doRun(ThreadContext.java:695) ~[elasticsearch-7.8.1.jar:7.8.1]
at org.elasticsearch.common.util.concurrent.AbstractRunnable.run(AbstractRunnable.java:37) ~[elasticsearch-7.8.1.jar:7.8.1]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:515) ~[?:?]
at java.util.concurrent.FutureTask.run(FutureTask.java:264) ~[?:?]
at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:304) ~[?:?]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1130) ~[?:?]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:630) ~[?:?]
at java.lang.Thread.run(Thread.java:832) [?:?]