SonarQube is stopped: app[][o.s.a.p.AbstractManagedProcess] Process exited with exit value [es]: 143

ES logs below:

2020.03.22 00:25:14 INFO es[o.e.e.NodeEnvironment] heap size [494.9mb], compressed ordinary object pointers [true]
2020.03.22 00:25:14 INFO es[o.e.n.Node] node name [sonarqube], node ID [4Zs6KgbvRCq_JiGCsKmfCg]
2020.03.22 00:25:14 INFO es[o.e.n.Node] version[6.8.4], pid[2641], build[default/tar/bca0c8d/2019-10-16T06:19:49.319352Z], OS[Mac OS X/10.15/x86_64], JVM[Oracle Corporation/Java HotSpot™ 64-Bit Server VM/13.0.2/13.0.2+8]
2020.03.22 00:25:14 INFO es[o.e.n.Node] JVM arguments [-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=/Applications/SonarQube/temp, -XX:ErrorFile=…/logs/es_hs_err_pid%p.log, -Xmx512m, -Xms512m, -XX:+HeapDumpOnOutOfMemoryError, -Des.path.home=/Applications/SonarQube/elasticsearch, -Des.path.conf=/Applications/SonarQube/temp/conf/es, -Des.distribution.flavor=default, -Des.distribution.type=tar]
2020.03.22 00:25:14 INFO es[o.e.p.PluginsService] loaded module [analysis-common]
2020.03.22 00:25:14 INFO es[o.e.p.PluginsService] loaded module [lang-painless]
2020.03.22 00:25:14 INFO es[o.e.p.PluginsService] loaded module [mapper-extras]
2020.03.22 00:25:14 INFO es[o.e.p.PluginsService] loaded module [parent-join]
2020.03.22 00:25:14 INFO es[o.e.p.PluginsService] loaded module [percolator]
2020.03.22 00:25:14 INFO es[o.e.p.PluginsService] loaded module [reindex]
2020.03.22 00:25:14 INFO es[o.e.p.PluginsService] loaded module [repository-url]
2020.03.22 00:25:14 INFO es[o.e.p.PluginsService] loaded module [transport-netty4]
2020.03.22 00:25:14 INFO es[o.e.p.PluginsService] no plugins loaded
2020.03.22 00:25:16 WARN es[o.e.d.c.s.Settings] [http.enabled] setting was deprecated in Elasticsearch and will be removed in a future release! See the breaking changes documentation for the next major version.
2020.03.22 00:25:16 INFO es[o.e.d.DiscoveryModule] using discovery type [zen] and host providers [settings]
2020.03.22 00:25:17 INFO es[o.e.n.Node] initialized
2020.03.22 00:25:17 INFO es[o.e.n.Node] starting …
2020.03.22 00:25:17 INFO es[o.e.t.TransportService] publish_address {127.0.0.1:9001}, bound_addresses {127.0.0.1:9001}
2020.03.22 00:25:20 INFO es[o.e.c.s.MasterService] zen-disco-elected-as-master ([0] nodes joined), reason: new_master {sonarqube}{4Zs6KgbvRCq_JiGCsKmfCg}{xuIovG8PTeCRpeszAp4FJA}{127.0.0.1}{127.0.0.1:9001}{rack_id=sonarqube}
2020.03.22 00:25:20 INFO es[o.e.c.s.ClusterApplierService] new_master {sonarqube}{4Zs6KgbvRCq_JiGCsKmfCg}{xuIovG8PTeCRpeszAp4FJA}{127.0.0.1}{127.0.0.1:9001}{rack_id=sonarqube}, reason: apply cluster state (from master [master {sonarqube}{4Zs6KgbvRCq_JiGCsKmfCg}{xuIovG8PTeCRpeszAp4FJA}{127.0.0.1}{127.0.0.1:9001}{rack_id=sonarqube} committed version [1] source [zen-disco-elected-as-master ([0] nodes joined)]])
2020.03.22 00:25:20 INFO es[o.e.n.Node] started
2020.03.22 00:25:20 INFO es[o.e.g.GatewayService] recovered [0] indices into cluster_state
2020.03.22 00:25:33 INFO es[o.e.n.Node] stopping …
2020.03.22 00:25:33 INFO es[o.e.n.Node] stopped
2020.03.22 00:25:33 INFO es[o.e.n.Node] closing …
2020.03.22 00:25:33 INFO es[o.e.n.Node] closed

There is nothing wrong with Elasticsearch based on your log.

You may want to clear all existing logs, attempt a new start, and attach all logs.