Hi Team,
We are running ES 6.8.5 in unix machine and its running on 1.8. We decided to promote java 1.8 to java11 oracle jdk. Can someone advise me what should i do now ?
Steps we did
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Stopped ES 6.8.5 from Unix Machine
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Uninstalled 1.8 from the unix machine and installed Java11 oracle jdk
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Changed JAVA_HOME in the elasticsearch file to point java11 (not in elasticsearch.yml. i can see two files, one is elasticsearch & another is elasticsearch.yml)
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I started the ES server and ES server is not coming up and following is the ES log
[2021-07-05T11:54:01,143][INFO ][o.e.e.NodeEnvironment ] [FyXSBu_] using [1] data paths, mounts [[/app (/dev/mapper/vgapp-app)]], net usable_space [598.2gb], net total_space [600.7gb], types [xfs]
[2021-07-05T11:54:01,151][INFO ][o.e.e.NodeEnvironment ] [FyXSBu_] heap size [989.8mb], compressed ordinary object pointers [true]
[2021-07-05T11:54:01,152][INFO ][o.e.n.Node ] [FyXSBu_] node name derived from node ID [FyXSBu_2R-ya-xFrksnDbw]; set [node.name] to override
[2021-07-05T11:54:01,153][INFO ][o.e.n.Node ] [FyXSBu_] version[6.8.5], pid[4878], build[default/tar/78990e9/2019-11-13T20:04:24.100411Z], OS[Linux/3.10.0-1160.25.1.el7.x86_64/amd64], JVM[Oracle Corporation/Java HotSpot(TM) 64-Bit Server VM/11.0.10.0.1/11.0.10.0.1+1-LTS-2]
[2021-07-05T11:54:01,153][INFO ][o.e.n.Node ] [FyXSBu_] JVM arguments [-Xms1g, -Xmx1g, -XX:+UseConcMarkSweepGC, -XX:CMSInitiatingOccupancyFraction=75, -XX:+UseCMSInitiatingOccupancyOnly, -Des.networkaddress.cache.ttl=60, -Des.networkaddress.cache.negative.ttl=10, -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-8901506701007211350, -XX:+HeapDumpOnOutOfMemoryError, -XX:HeapDumpPath=data, -XX:ErrorFile=logs/hs_err_pid%p.log, -Xlog:gc*,gc+age=trace,safepoint:file=logs/gc.log:utctime,pid,tags:filecount=32,filesize=64m, -Djava.locale.providers=COMPAT, -XX:UseAVX=2, -Des.path.home=/app/elasticsearch-6.8.5, -Des.path.conf=/app/elasticsearch-6.8.5/config, -Des.distribution.flavor=default, -Des.distribution.type=tar]
[2021-07-05T11:54:02,355][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [aggs-matrix-stats]
[2021-07-05T11:54:02,355][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [analysis-common]
[2021-07-05T11:54:02,355][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [ingest-common]
[2021-07-05T11:54:02,355][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [ingest-geoip]
[2021-07-05T11:54:02,355][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [ingest-user-agent]
[2021-07-05T11:54:02,356][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [lang-expression]
[2021-07-05T11:54:02,356][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [lang-mustache]
[2021-07-05T11:54:02,356][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [lang-painless]
[2021-07-05T11:54:02,356][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [mapper-extras]
[2021-07-05T11:54:02,356][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [parent-join]
[2021-07-05T11:54:02,356][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [percolator]
[2021-07-05T11:54:02,356][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [rank-eval]
[2021-07-05T11:54:02,356][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [reindex]
[2021-07-05T11:54:02,356][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [repository-url]
[2021-07-05T11:54:02,356][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [transport-netty4]
[2021-07-05T11:54:02,356][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [tribe]
[2021-07-05T11:54:02,356][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [x-pack-ccr]
[2021-07-05T11:54:02,356][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [x-pack-core]
[2021-07-05T11:54:02,356][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [x-pack-deprecation]
[2021-07-05T11:54:02,356][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [x-pack-graph]
[2021-07-05T11:54:02,356][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [x-pack-ilm]
[2021-07-05T11:54:02,356][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [x-pack-logstash]
[2021-07-05T11:54:02,356][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [x-pack-ml]
[2021-07-05T11:54:02,357][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [x-pack-monitoring]
[2021-07-05T11:54:02,357][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [x-pack-rollup]
[2021-07-05T11:54:02,357][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [x-pack-security]
[2021-07-05T11:54:02,357][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [x-pack-sql]
[2021-07-05T11:54:02,357][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [x-pack-upgrade]
[2021-07-05T11:54:02,357][INFO ][o.e.p.PluginsService ] [FyXSBu_] loaded module [x-pack-watcher]
[2021-07-05T11:54:02,357][INFO ][o.e.p.PluginsService ] [FyXSBu_] no plugins loaded
[2021-07-05T11:54:04,995][INFO ][o.e.x.s.a.s.FileRolesStore] [FyXSBu_] parsed [0] roles from file [/app/elasticsearch-6.8.5/config/roles.yml]
[2021-07-05T11:54:05,470][INFO ][o.e.x.m.p.l.CppLogMessageHandler] [FyXSBu_] [controller/5031] [Main.cc@109] controller (64 bit): Version 6.8.5 (Build b07c2d9433ee6d) Copyright (c) 2019 Elasticsearch BV
[2021-07-05T11:54:05,830][DEBUG][o.e.a.ActionModule ] [FyXSBu_] Using REST wrapper from plugin org.elasticsearch.xpack.security.Security
[2021-07-05T11:54:05,997][INFO ][o.e.d.DiscoveryModule ] [FyXSBu_] using discovery type [zen] and host providers [settings]
[2021-07-05T11:54:06,634][INFO ][o.e.n.Node ] [FyXSBu_] initialized
[2021-07-05T11:54:06,635][INFO ][o.e.n.Node ] [FyXSBu_] starting ...
[2021-07-05T11:54:06,795][INFO ][o.e.t.TransportService ] [FyXSBu_] publish_address {127.0.0.1:9300}, bound_addresses {[::1]:9300}, {127.0.0.1:9300}
[2021-07-05T11:54:09,886][INFO ][o.e.c.s.MasterService ] [FyXSBu_] zen-disco-elected-as-master ([0] nodes joined), reason: new_master {FyXSBu_}{FyXSBu_2R-ya-xFrksnDbw}{4mivzUQ1RwS2JqzXWa6plg}{127.0.0.1}{127.0.0.1:9300}{ml.machine_memory=33566654464, xpack.installed=true, ml.max_open_jobs=20, ml.enabled=true}
[2021-07-05T11:54:09,890][INFO ][o.e.c.s.ClusterApplierService] [FyXSBu_] new_master {FyXSBu_}{FyXSBu_2R-ya-xFrksnDbw}{4mivzUQ1RwS2JqzXWa6plg}{127.0.0.1}{127.0.0.1:9300}{ml.machine_memory=33566654464, xpack.installed=true, ml.max_open_jobs=20, ml.enabled=true}, reason: apply cluster state (from master [master {FyXSBu_}{xxxxxxxx}{xxxx}{127.0.0.1}{127.0.0.1:9300}{ml.machine_memory=33566654464, xpack.installed=true, ml.max_open_jobs=20, ml.enabled=true} committed version [1] source [zen-disco-elected-as-master ([0] nodes joined)]])
[2021-07-05T11:54:09,945][INFO ][o.e.h.n.Netty4HttpServerTransport] [FyXSBu_] publish_address {127.0.0.1:9200}, bound_addresses {[::1]:9200}, {127.0.0.1:9200}
[2021-07-05T11:54:09,947][INFO ][o.e.n.Node ] [FyXSBu_] started
[2021-07-05T11:54:10,093][WARN ][o.e.x.s.a.s.m.NativeRoleMappingStore] [FyXSBu_] Failed to clear cache for realms [[]]
[2021-07-05T11:54:10,119][INFO ][o.e.l.LicenseService ] [FyXSBu_] license [xxxxxxxx] mode [basic] - valid
[2021-07-05T11:54:10,126][INFO ][o.e.g.GatewayService ] [FyXSBu_] recovered [0] indices into cluster_state