Hi,
I got following warnings, when running elasticsearch on arm platform:
[2017-10-06T18:10:08,825][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-arm/libjnidispatch.so) not found in resource path ([file:/data/elastic/elasticsearch/elasti
csearch-5.6.2/lib/joda-time-2.9.5.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/lucene-spatial3d-6.6.1.jar, file:/data/elastic/elasticsearch/
elasticsearch-5.6.2/lib/lucene-highlighter-6.6.1.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/jackson-dataformat-yaml-2.8.6.jar, file:/data/
elastic/elasticsearch/elasticsearch-5.6.2/lib/lucene-suggest-6.6.1.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/log4j-api-2.9.1.jar, file:/d
ata/elastic/elasticsearch/elasticsearch-5.6.2/lib/jopt-simple-5.0.2.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/log4j-1.2-api-2.9.1.jar, fi
le:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/lucene-misc-6.6.1.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/lucene-grouping-6.6.1.
jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/jackson-dataformat-smile-2.8.6.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/ja
ckson-dataformat-cbor-2.8.6.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/lucene-backward-codecs-6.6.1.jar, file:/data/elastic/elasticsearch/
elasticsearch-5.6.2/lib/lucene-memory-6.6.1.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/t-digest-3.0.jar, file:/data/elastic/elasticsearch/
elasticsearch-5.6.2/lib/java-version-checker-5.6.2.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/lucene-analyzers-common-6.6.1.jar, file:/dat
a/elastic/elasticsearch/elasticsearch-5.6.2/lib/snakeyaml-1.15.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/securesm-1.1.jar, file:/data/ela
stic/elasticsearch/elasticsearch-5.6.2/lib/lucene-spatial-6.6.1.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/plugin-cli-5.6.2.jar, file:/dat
a/elastic/elasticsearch/elasticsearch-5.6.2/lib/lucene-queryparser-6.6.1.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/lucene-spatial-extras-
6.6.1.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/spatial4j-0.6.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/lucene-querie
s-6.6.1.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/jts-1.13.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/lucene-sandbox-6
.6.1.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/elasticsearch-5.6.2.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/hppc-0.7
.1.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/jna-4.4.0-1.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/HdrHistogram-2.1.9
.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/log4j-core-2.9.1.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/lucene-core-6.6
.1.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/lucene-join-6.6.1.jar, file:/data/elastic/elasticsearch/elasticsearch-5.6.2/lib/jackson-core
-2.8.6.jar])
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_144]
at java.lang.Class.forName(Class.java:264) ~[?:1.8.0_144]
at org.elasticsearch.bootstrap.Natives.<clinit>(Natives.java:45) [elasticsearch-5.6.2.jar:5.6.2]
at org.elasticsearch.bootstrap.Bootstrap.initializeNatives(Bootstrap.java:105) [elasticsearch-5.6.2.jar:5.6.2]
at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:195) [elasticsearch-5.6.2.jar:5.6.2]
at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:342) [elasticsearch-5.6.2.jar:5.6.2]
at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:132) [elasticsearch-5.6.2.jar:5.6.2]
at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:123) [elasticsearch-5.6.2.jar:5.6.2]
at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:67) [elasticsearch-5.6.2.jar:5.6.2]
at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:134) [elasticsearch-5.6.2.jar:5.6.2]
at org.elasticsearch.cli.Command.main(Command.java:90) [elasticsearch-5.6.2.jar:5.6.2]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:91) [elasticsearch-5.6.2.jar:5.6.2]
at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:84) [elasticsearch-5.6.2.jar:5.6.2]
[2017-10-06T18:10:08,915][WARN ][o.e.b.Natives ] cannot check if running as root because JNA is not available
[2017-10-06T18:10:08,916][WARN ][o.e.b.Natives ] cannot install system call filter because JNA is not available
[2017-10-06T18:10:08,921][WARN ][o.e.b.Natives ] cannot register console handler because JNA is not available
[2017-10-06T18:10:08,950][WARN ][o.e.b.Natives ] cannot getrlimit RLIMIT_NPROC because JNA is not available
[2017-10-06T18:10:08,951][WARN ][o.e.b.Natives ] cannot getrlimit RLIMIT_AS beacuse JNA is not available
[2017-10-06T18:10:08,952][WARN ][o.e.b.Natives ] cannot getrlimit RLIMIT_FSIZE because JNA is not available
After that ES boots and is accessible
Are these warnings critical? Will them degrade performance?
Any Idea how I can get JNA running on arm?
Thanks, Andreas