Sonar qube installation issue

Installed Java 11 and Post Gres 4.2 on one EC2 Instances

Installed Java 11 and Sonar Qube 8.1.0.31237 on another EC2 instance

Running with non root user. who have access to the sonarqube folders. Still getting below error

Logs from sonar.log
Launch process[[key=‘web’, ipcIndex=2, logFilenamePrefix=web]] from [/opt/sonarqube]: /usr/lib/jvm/java-11-openjdk–0.el7_8.x86_64/bin/java -Djava.awt.headless=true -Dfile.encoding=UTF-8 -Djava.io.tmpdir=/opt/sonarqube/temp --add-opens=java.base/java.util=ALL-UNNAMED --add-opens=java.base/java.lang=ALL-UNNAMED --add-opens=java.base/java.io=ALL-UNNAMED --add-opens=java.rmi/sun.rmi.transport=ALL-UNNAMED -Xmx512m -Xms128m -XX:+HeapDumpOnOutOfMemoryError -Dhttp.nonProxyHosts=localhost|127.|[::1] -cp ./lib/common/:/opt/sonarqube/lib/jdbc/postgresql/postgresql-42.2.8.jar org.sonar.server.app.WebServer /opt/sonarqube/temp/sq-process42071912050properties
2020.08.05 21:14:50 INFO app[o.s.a.SchedulerImpl] Process[web] is stopped
2020.08.05 21:14:51 WARN app[o.s.a.p.AbstractManagedProcess] Process exited with exit value [es]: 143
2020.08.05 21:14:51 INFO app[o.s.a.SchedulerImpl] Process[es] is stopped
2020.08.05 21:14:51 INFO app[o.s.a.SchedulerImpl] SonarQube is stopped

Logs from web.log
2020.08.05 21:14:50 WARN web[o.a.c.l.WebappClassLoaderBase] The web application [sonar] appears to have started a thread named [elasticsearch[client][transport_worker][T#13]] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
java.base@11.0.8/sun.nio.ch.EPoll.wait(Native Method)
java.base@11.0.8/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)
java.base@11.0.8/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
java.base@11.0.8/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
app//io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:765)
app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:413)
app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:909)
java.base@11.0.8/java.lang.Thread.run(Thread.java:834)
2020.08.05 21:14:50 WARN web[o.a.c.l.WebappClassLoaderBase] The web application [sonar] appears to have started a thread named [elasticsearch[client][transport_worker][T#14]] but has failed to stop it. This is very likely to create a memory leak. Stack trace of thread:
java.base@11.0.8/sun.nio.ch.EPoll.wait(Native Method)
java.base@11.0.8/sun.nio.ch.EPollSelectorImpl.doSelect(EPollSelectorImpl.java:120)
java.base@11.0.8/sun.nio.ch.SelectorImpl.lockAndDoSelect(SelectorImpl.java:124)
java.base@11.0.8/sun.nio.ch.SelectorImpl.select(SelectorImpl.java:136)
app//io.netty.channel.nio.SelectedSelectionKeySetSelector.select(SelectedSelectionKeySetSelector.java:62)
app//io.netty.channel.nio.NioEventLoop.select(NioEventLoop.java:765)
app//io.netty.channel.nio.NioEventLoop.run(NioEventLoop.java:413)
app//io.netty.util.concurrent.SingleThreadEventExecutor$5.run(SingleThreadEventExecutor.java:909)
java.base@11.0.8/java.lang.Thread.run(Thread.java:834)
2020.08.05 21:14:50 INFO web[o.s.s.a.EmbeddedTomcat] HTTP connector enabled on port 9000
2020.08.05 21:14:50 INFO web[o.s.p.ProcessEntryPoint] Hard stopping process

es.log
2020.08.05 21:14:41 INFO es[o.e.e.NodeEnvironment] using [1] data paths, mounts [[/ (rootfs)]], net usable_space [14.4gb], net total_space [19.9gb], types [rootfs]
2020.08.05 21:14:41 INFO es[o.e.e.NodeEnvironment] heap size [494.9mb], compressed ordinary object pointers [true]
2020.08.05 21:14:41 INFO es[o.e.n.Node] node name [sonarqube], node ID [########]
2020.08.05 21:14:41 INFO es[o.e.n.Node] version[6.8.4], pid[####], build[default/tar/bca0c8d/2019-10-16T06:19:49.319352Z], OS[Linux/#########.x86_64/amd64], JVM[Oracle Corporation/OpenJDK 64-Bit Server VM/11.0.8/11.0.8+10-LTS]
2020.08.05 21:14:41 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=/opt/sonarqube/temp, -XX:ErrorFile=…/logs/es_hs_err_pid%p.log, -Des.enforce.bootstrap.checks=true, -Xmx512m, -Xms512m, -XX:+HeapDumpOnOutOfMemoryError, -Des.path.home=/opt/sonarqube/elasticsearch, -Des.path.conf=/opt/sonarqube/temp/conf/es, -Des.distribution.flavor=default, -Des.distribution.type=tar]
2020.08.05 21:14:41 INFO es[o.e.p.PluginsService] loaded module [analysis-common]
2020.08.05 21:14:41 INFO es[o.e.p.PluginsService] loaded module [lang-painless]
2020.08.05 21:14:41 INFO es[o.e.p.PluginsService] loaded module [mapper-extras]
2020.08.05 21:14:41 INFO es[o.e.p.PluginsService] loaded module [parent-join]
2020.08.05 21:14:41 INFO es[o.e.p.PluginsService] loaded module [percolator]
2020.08.05 21:14:41 INFO es[o.e.p.PluginsService] loaded module [reindex]
2020.08.05 21:14:41 INFO es[o.e.p.PluginsService] loaded module [repository-url]
2020.08.05 21:14:41 INFO es[o.e.p.PluginsService] loaded module [transport-netty4]
2020.08.05 21:14:41 INFO es[o.e.p.PluginsService] no plugins loaded
2020.08.05 21:14:43 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.
2020.08.05 21:14:44 INFO es[o.e.d.DiscoveryModule] using discovery type [zen] and host providers [settings]
2020.08.05 21:14:44 INFO es[o.e.n.Node] initialized
2020.08.05 21:14:44 INFO es[o.e.n.Node] starting …
2020.08.05 21:14:44 INFO es[o.e.t.TransportService] publish_address {127.0.0.1:9001}, bound_addresses {127.0.0.1:9001}
2020.08.05 21:14:44 INFO es[o.e.b.BootstrapChecks] explicitly enforcing bootstrap checks
2020.08.05 21:14:47 INFO es[o.e.c.s.MasterService] zen-disco-elected-as-master ([0] nodes joined), reason: new_master {sonarqube}{######}{127.0.0.1}{127.0.0.1:9001}{rack_id=sonarqube}
2020.08.05 21:14:47 INFO es[o.e.c.s.ClusterApplierService] new_master {sonarqube}{######}{127.0.0.1}{127.0.0.1:9001}{rack_id=sonarqube}, reason: apply cluster state (from master [master {sonarqube}{######}{127.0.0.1}{127.0.0.1:9001}{rack_id=sonarqube} committed version [1] source [zen-disco-elected-as-master ([0] nodes joined)]])
2020.08.05 21:14:47 INFO es[o.e.n.Node] started
2020.08.05 21:14:47 INFO es[o.e.g.GatewayService] recovered [0] indices into cluster_state
2020.08.05 21:14:50 INFO es[o.e.n.Node] stopping …
2020.08.05 21:14:50 INFO es[o.e.n.Node] stopped
2020.08.05 21:14:50 INFO es[o.e.n.Node] closing …
2020.08.05 21:14:50 INFO es[o.e.n.Node] closed

Hi, please provide the full web.log file. Also, please double-check your database configuration: jdbc url, username & password.