How can fix centos 7 elastic search issue?
[elastic/elasticsearch] Centos 7 and – java.lang.NoClassDefFoundError: Could not initialize class com.sun.jna.Native
change in /etc/elasticsearch/jvm.options
#-Djava.io.tmpdir=${ES_TMPDIR}
-Djava.io.tmpdir=/var/log/elasticsearch
issue will fix.
more : https://github.com/elastic/elasticsearch/issues/57018#issuecomment-694703398