hi elasticsearch service is getting stopped automatically
service elasticsearch start
<log> elasticsearch]# tail -f my-application.log at org.elasticsearch.plugins.PluginsService.loadBundle(PluginsService.java:524) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.plugins.PluginsService.loadBundles(PluginsService.java:464) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.plugins.PluginsService.<init>(PluginsService.java:156) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.node.Node.<init>(Node.java:338) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.node.Node.<init>(Node.java:265) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:212) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:212) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:333) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:136) ~[elasticsearch-6.5.4.jar:6.5.4] ... 6 more [2018-12-25T20:01:25,553][INFO ][o.e.e.NodeEnvironment ] [node-1] using [1] data paths, mounts [[/ (rootfs)]], net usable_space [1.6tb], net total_space [1.7tb], types [rootfs] [2018-12-25T20:01:25,557][INFO ][o.e.e.NodeEnvironment ] [node-1] heap size [990.7mb], compressed ordinary object pointers [true] [2018-12-25T20:01:26,473][INFO ][o.e.n.Node ] [node-1] node name [node-1], node ID [hjrWyQhiTGOoPRwGyROCAQ] [2018-12-25T20:01:26,473][INFO ][o.e.n.Node ] [node-1] version[6.5.4], pid[18743], build[default/rpm/d2ef93d/2018-12-17T21:17:40.758843Z], OS[Linux/3.10.0-957.1.3.el7.x86_64/amd64], JVM[Oracle Corporation/OpenJDK 64-Bit Server VM/1.8.0_191/25.191-b12] [2018-12-25T20:01:26,473][INFO ][o.e.n.Node ] [node-1] JVM arguments [-Xms1g, -Xmx1g, -XX:+UseConcMarkSweepGC, -XX:CMSInitiatingOccupancyFraction=75, -XX:+UseCMSInitiatingOccupancyOnly, -XX:+AlwaysPreTouch, -Xss1m, -Djava.awt.headless=true, -Dfile.encoding=UTF-8, -Djna.nosys=true, -XX:-OmitStackTraceInFastThrow, -Dio.netty.noUnsafe=true, -Dio.netty.noKeySetOptimization=true, -Dio.netty.recycler.maxCapacityPerThread=0, -Dlog4j.shutdownHookEnabled=false, -Dlog4j2.disable.jmx=true, -Djava.io.tmpdir=/tmp/elasticsearch.c2o1ViYY, -XX:+HeapDumpOnOutOfMemoryError, -XX:HeapDumpPath=/var/lib/elasticsearch, -XX:ErrorFile=/var/log/elasticsearch/hs_err_pid%p.log, -XX:+PrintGCDetails, -XX:+PrintGCDateStamps, -XX:+PrintTenuringDistribution, -XX:+PrintGCApplicationStoppedTime, -Xloggc:/var/log/elasticsearch/gc.log, -XX:+UseGCLogFileRotation, -XX:NumberOfGCLogFiles=32, -XX:GCLogFileSize=64m, -Des.path.home=/usr/share/elasticsearch, -Des.path.conf=/etc/elasticsearch, -Des.distribution.flavor=default, -Des.distribution.type=rpm] [2018-12-25T20:01:28,370][ERROR][o.e.b.Bootstrap ] [node-1] Exception java.lang.IllegalArgumentException: Plugin [analysis-icu] was built for Elasticsearch version 6.5.1 but version 6.5.4 is running at org.elasticsearch.plugins.PluginsService.verifyCompatibility(PluginsService.java:339) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.plugins.PluginsService.loadBundle(PluginsService.java:524) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.plugins.PluginsService.loadBundles(PluginsService.java:464) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.plugins.PluginsService.<init>(PluginsService.java:156) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.node.Node.<init>(Node.java:338) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.node.Node.<init>(Node.java:265) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.bootstrap.Bootstrap$5.<init>(Bootstrap.java:212) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.bootstrap.Bootstrap.setup(Bootstrap.java:212) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.bootstrap.Bootstrap.init(Bootstrap.java:333) [elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:136) [elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:127) [elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) [elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) [elasticsearch-cli-6.5.4.jar:6.5.4] at org.elasticsearch.cli.Command.main(Command.java:90) [elasticsearch-cli-6.5.4.jar:6.5.4] at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:93) [elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:86) [elasticsearch-6.5.4.jar:6.5.4] [2018-12-25T20:01:28,375][WARN ][o.e.b.ElasticsearchUncaughtExceptionHandler] [node-1] uncaught exception in thread [main] org.elasticsearch.bootstrap.StartupException: java.lang.IllegalArgumentException: Plugin [analysis-icu] was built for Elasticsearch version 6.5.1 but version 6.5.4 is running at org.elasticsearch.bootstrap.Elasticsearch.init(Elasticsearch.java:140) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.bootstrap.Elasticsearch.execute(Elasticsearch.java:127) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.cli.EnvironmentAwareCommand.execute(EnvironmentAwareCommand.java:86) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.cli.Command.mainWithoutErrorHandling(Command.java:124) ~[elasticsearch-cli-6.5.4.jar:6.5.4] at org.elasticsearch.cli.Command.main(Command.java:90) ~[elasticsearch-cli-6.5.4.jar:6.5.4] at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:93) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.bootstrap.Elasticsearch.main(Elasticsearch.java:86) ~[elasticsearch-6.5.4.jar:6.5.4] Caused by: java.lang.IllegalArgumentException: Plugin [analysis-icu] was built for Elasticsearch version 6.5.1 but version 6.5.4 is running at org.elasticsearch.plugins.PluginsService.verifyCompatibility(PluginsService.java:339) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.plugins.PluginsService.loadBundle(PluginsService.java:524) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.plugins.PluginsService.loadBundles(PluginsService.java:464) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.plugins.PluginsService.<init>(PluginsService.java:156) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.node.Node.<init>(Node.java:338) ~[elasticsearch-6.5.4.jar:6.5.4] at org.elasticsearch.node.Node.<init>(Node.java:265) ~[elasticsearch-6.5.4.jar:6.5.4] </log>