I installed elasticsearch and then change the es_home path but now its not working.....this is the error i am getting after running, service elasticsearch status

this is the error i am getting : elasticsearch.service - Elasticsearch
Loaded: loaded (/usr/lib/systemd/system/elasticsearch.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Thu 2019-07-11 07:46:57 UTC; 4min 29s ago
Docs: http://www.elastic.co
Process: 726 ExecStart=/usr/share/elasticsearch/bin/elasticsearch (code=exited, status=78)
Main PID: 726 (code=exited, status=78)
Jul 11 07:46:57 vyakar-stage-elastic elasticsearch[726]: java.lang.NullPointerException: null
Jul 11 07:46:57 vyakar-stage-elastic elasticsearch[726]: at org.elasticsearch.xpack.watcher.Watcher.close(Watcher.java:702) ~[?:?]
Jul 11 07:46:57 vyakar-stage-elastic elasticsearch[726]: at org.elasticsearch.core.internal.io.IOUtils.close(IOUtils.java:103) ~[elasticsearch-core-6.5.4.
Jul 11 07:46:57 vyakar-stage-elastic elasticsearch[726]: at org.elasticsearch.core.internal.io.IOUtils.close(IOUtils.java:85) ~[elasticsearch-core-6.5.4.j
Jul 11 07:46:57 vyakar-stage-elastic elasticsearch[726]: at org.elasticsearch.node.Node.close(Node.java:923) ~[elasticsearch-6.5.4.jar:6.5.4]
Jul 11 07:46:57 vyakar-stage-elastic elasticsearch[726]: at org.elasticsearch.core.internal.io.IOUtils.close(IOUtils.java:103) ~[elasticsearch-core-6.5.4.
Jul 11 07:46:57 vyakar-stage-elastic elasticsearch[726]: at org.elasticsearch.core.internal.io.IOUtils.close(IOUtils.java:61) ~[elasticsearch-core-6.5.4.j
Jul 11 07:46:57 vyakar-stage-elastic elasticsearch[726]: at org.elasticsearch.bootstrap.Bootstrap$4.run(Bootstrap.java:184) ~[elasticsearch-6.5.4.jar:6.5.
Jul 11 07:46:57 vyakar-stage-elastic systemd[1]: elasticsearch.service: Main process exited, code=exited, status=78/n/a
Jul 11 07:46:57 vyakar-stage-elastic systemd[1]: elasticsearch.service: Failed with result 'exit-code'.
lines 1-17/17 (END)

Welcome. Could you try with 6.8.1 instead?

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Also share elasticsearch logs if you still can't make it work.

`elasticsearch.service - Elasticsearch

Loaded: loaded (/usr/lib/systemd/system/elasticsearch.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Thu 2019-07-11 07:46:57 UTC; 4min 29s ago
Docs: http://www.elastic.co
Process: 726 ExecStart=/usr/share/elasticsearch/bin/elasticsearch (code=exited, status=78)
Main PID: 726 (code=exited, status=78)
Jul 11 07:46:57 vyakar-stage-elastic elasticsearch[726]: java.lang.NullPointerException: null
Jul 11 07:46:57 vyakar-stage-elastic elasticsearch[726]: at org.elasticsearch.xpack.watcher.Watcher.close(Watcher.java:702) ~[?:?]
Jul 11 07:46:57 vyakar-stage-elastic elasticsearch[726]: at org.elasticsearch.core.internal.io.IOUtils.close(IOUtils.java:103) ~[elasticsearch-core-6.5.4.
Jul 11 07:46:57 vyakar-stage-elastic elasticsearch[726]: at org.elasticsearch.core.internal.io.IOUtils.close(IOUtils.java:85) ~[elasticsearch-core-6.5.4.j
Jul 11 07:46:57 vyakar-stage-elastic elasticsearch[726]: at org.elasticsearch.node.Node.close(Node.java:923) ~[elasticsearch-6.5.4.jar:6.5.4]
Jul 11 07:46:57 vyakar-stage-elastic elasticsearch[726]: at org.elasticsearch.core.internal.io.IOUtils.close(IOUtils.java:103) ~[elasticsearch-core-6.5.4.
Jul 11 07:46:57 vyakar-stage-elastic elasticsearch[726]: at org.elasticsearch.core.internal.io.IOUtils.close(IOUtils.java:61) ~[elasticsearch-core-6.5.4.j
Jul 11 07:46:57 vyakar-stage-elastic elasticsearch[726]: at org.elasticsearch.bootstrap.Bootstrap$4.run(Bootstrap.java:184) ~[elasticsearch-6.5.4.jar:6.5.
Jul 11 07:46:57 vyakar-stage-elastic systemd[1]: elasticsearch.service: Main process exited, code=exited, status=78/n/a
Jul 11 07:46:57 vyakar-stage-elastic systemd[1]: elasticsearch.service: Failed with result 'exit-code'.
lines 1-17/17 (END)`

Is this the right way to post question ?

No. And you are still not providing the logs.

these are the logs :

[2019-07-12T10:41:19,085][INFO ][o.e.e.NodeEnvironment    ] [CZ9Bazw] using [1] data paths, mounts [[/ (/dev/sda1)]], net usable_space [208gb], net total_space [228.1gb], types [ext4]
[2019-07-12T10:41:19,115][INFO ][o.e.e.NodeEnvironment    ] [CZ9Bazw] heap size [1007.3mb], compressed ordinary object pointers [true]
[2019-07-12T10:41:19,118][INFO ][o.e.n.Node               ] [CZ9Bazw] node name derived from node ID [CZ9BazwrTaOVCF43VTFwSw]; set [node.name] to override
[2019-07-12T10:41:19,119][INFO ][o.e.n.Node               ] [CZ9Bazw] version[6.5.4], pid[1043], build[default/deb/d2ef93d/2018-12-17T21:17:40.758843Z], OS[Linux/4.18.0-25-generic/amd64], JVM[Oracle Corporation/Java HotSpot(TM) 64-Bit Server VM/1.8.0_211/25.211-b12]
[2019-07-12T10:41:19,119][INFO ][o.e.n.Node               ] [CZ9Bazw] 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.2lgonTh1, -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=/usr/local/elasticsearch/config, -Des.distribution.flavor=default, -Des.distribution.type=deb]
[2019-07-12T10:41:23,348][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [aggs-matrix-stats]
[2019-07-12T10:41:23,348][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [analysis-common]
[2019-07-12T10:41:23,348][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [ingest-common]
[2019-07-12T10:41:23,348][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [lang-expression]
[2019-07-12T10:41:23,348][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [lang-mustache]
[2019-07-12T10:41:23,348][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [lang-painless]
[2019-07-12T10:41:23,348][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [mapper-extras]
[2019-07-12T10:41:23,348][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [parent-join]
[2019-07-12T10:41:23,348][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [percolator]
[2019-07-12T10:41:23,348][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [rank-eval]
[2019-07-12T10:41:23,348][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [reindex]
[2019-07-12T10:41:23,349][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [repository-url]
[2019-07-12T10:41:23,349][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [transport-netty4]
[2019-07-12T10:41:23,349][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [tribe]
[2019-07-12T10:41:23,349][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [x-pack-ccr]
[2019-07-12T10:41:23,349][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [x-pack-core]
[2019-07-12T10:41:23,349][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [x-pack-deprecation]
[2019-07-12T10:41:23,349][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [x-pack-graph]
[2019-07-12T10:41:23,349][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [x-pack-logstash]
[2019-07-12T10:41:23,349][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [x-pack-ml]
[2019-07-12T10:41:23,350][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [x-pack-monitoring]
[2019-07-12T10:41:23,350][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [x-pack-rollup]
[2019-07-12T10:41:23,350][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [x-pack-security]
[2019-07-12T10:41:23,350][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [x-pack-sql]
[2019-07-12T10:41:23,351][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [x-pack-upgrade]
[2019-07-12T10:41:23,351][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] loaded module [x-pack-watcher]
[2019-07-12T10:41:23,351][INFO ][o.e.p.PluginsService     ] [CZ9Bazw] no plugins loaded
[2019-07-12T10:41:32,428][INFO ][o.e.x.s.a.s.FileRolesStore] [CZ9Bazw] parsed [0] roles from file [/usr/local/elasticsearch/config/roles.yml]
[2019-07-12T10:41:33,724][INFO ][o.e.x.m.j.p.l.CppLogMessageHandler] [CZ9Bazw] [controller/2283] [Main.cc@109] controller (64 bit): Version 6.5.4 (Build b616085ef32393) Copyright (c) 2018 Elasticsearch BV
[2019-07-12T10:41:34,773][DEBUG][o.e.a.ActionModule       ] [CZ9Bazw] Using REST wrapper from plugin org.elasticsearch.xpack.security.Security
[2019-07-12T10:41:35,232][INFO ][o.e.d.DiscoveryModule    ] [CZ9Bazw] using discovery type [zen] and host providers [settings]
[2019-07-12T10:41:37,083][INFO ][o.e.n.Node               ] [CZ9Bazw] initialized
[2019-07-12T10:41:37,083][INFO ][o.e.n.Node               ] [CZ9Bazw] starting ...
[2019-07-12T10:41:37,415][INFO ][o.e.t.TransportService   ] [CZ9Bazw] publish_address {10.249.186.101:9300}, bound_addresses {[::]:9300}
[2019-07-12T10:41:37,474][INFO ][o.e.b.BootstrapChecks    ] [CZ9Bazw] bound or publishing to a non-loopback address, enforcing bootstrap checks
[2019-07-12T10:41:40,647][INFO ][o.e.c.s.MasterService    ] [CZ9Bazw] zen-disco-elected-as-master ([0] nodes joined), reason: new_master {CZ9Bazw}{CZ9BazwrTaOVCF43VTFwSw}{1banlZ90TXmtGKYtbglMHw}{10.249.186.101}{10.249.186.101:9300}{ml.machine_memory=4025565184, xpack.installed=true, ml.max_open_jobs=20, ml.enabled=true}
[2019-07-12T10:41:40,652][INFO ][o.e.c.s.ClusterApplierService] [CZ9Bazw] new_master {CZ9Bazw}{CZ9BazwrTaOVCF43VTFwSw}{1banlZ90TXmtGKYtbglMHw}{10.249.186.101}{10.249.186.101:9300}{ml.machine_memory=4025565184, xpack.installed=true, ml.max_open_jobs=20, ml.enabled=true}, reason: apply cluster state (from master [master {CZ9Bazw}{CZ9BazwrTaOVCF43VTFwSw}{1banlZ90TXmtGKYtbglMHw}{10.249.186.101}{10.249.186.101:9300}{ml.machine_memory=4025565184, xpack.installed=true, ml.max_open_jobs=20, ml.enabled=true} committed version [1] source [zen-disco-elected-as-master ([0] nodes joined)]])
[2019-07-12T10:41:40,678][INFO ][o.e.x.s.t.n.SecurityNetty4HttpServerTransport] [CZ9Bazw] publish_address {10.249.186.101:9200}, bound_addresses {[::]:9200}

Is that all the logs?

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