title: Unable to Launch Sonar on windows VM
body: <h1>I am installing sonar on Windows VM, when i tried executing sonar i got below error,
  Environment</h1>
  <p>java 15.0.2 2021-01-19
  Java(TM) SE Runtime Environment (build 15.0.2+7-27)
  Java HotSpot(TM) 64-Bit Server VM (build 15.0.2+7-27, mixed mode, sharing)
  Sonar --sonarqube-8.7.0.41497</p>
  <pre><code>Launching a JVM...
  Wrapper (Version 3.2.3) http://wrapper.tanukisoftware.org
    Copyright 1999-2006 Tanuki Software, Inc.  All Rights Reserved.
  
  2021.03.02 16:11:43 INFO  app[][o.s.a.AppFileSystem] Cleaning or creating temp directory F:\sonarqube-8.7.0.41497\temp
  2021.03.02 16:11:43 INFO  app[][o.s.a.es.EsSettings] Elasticsearch listening on [HTTP: 127.0.0.1:9001, TCP: 127.0.0.1:62946]
  2021.03.02 16:11:43 INFO  app[][o.s.a.ProcessLauncherImpl] Launch process[[key='es', ipcIndex=1, logFilenamePrefix=es]] from [F:\sonarqube-8.7.0.41497\elasticsearch]: C:\Program Files\Java\jdk-15.0.2\bin\java -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=75 -XX:+UseCMSInitiatingOccupancyOnly -Djava.io.tmpdir=F:\sonarqube-8.7.0.41497\temp -XX:ErrorFile=../logs/es_hs_err_pid%p.log -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 -Dio.netty.allocator.numDirectArenas=0 -Dlog4j.shutdownHookEnabled=false -Dlog4j2.disable.jmx=true -Djava.locale.providers=COMPAT -Xmx512m -Xms512m -XX:MaxDirectMemorySize=256m -XX:+HeapDumpOnOutOfMemoryError -Delasticsearch -Des.path.home=F:\sonarqube-8.7.0.41497\elasticsearch -Des.path.conf=F:\sonarqube-8.7.0.41497\temp\conf\es -cp lib/* org.elasticsearch.bootstrap.Elasticsearch
  2021.03.02 16:11:43 INFO  app[][o.s.a.SchedulerImpl] Waiting for Elasticsearch to be up and running
  Unrecognized VM option 'UseConcMarkSweepGC'
  Error: Could not create the Java Virtual Machine.
  Error: A fatal exception has occurred. Program will exit.
  2021.03.02 16:11:43 WARN  app[][o.s.a.p.AbstractManagedProcess] Process exited with exit value [es]: 1
  2021.03.02 16:11:43 INFO  app[][o.s.a.SchedulerImpl] Process[es] is stopped
  2021.03.02 16:11:43 INFO  app[][o.s.a.SchedulerImpl] SonarQube is stopped
  2021.03.02 16:11:44 ERROR app[][o.s.a.p.EsManagedProcess] Failed to check status
  java.lang.RuntimeException: thread waiting for the response was interrupted
      at org.elasticsearch.client.RestHighLevelClient.internalPerformRequest(RestHighLevelClient.java:1632)
      at org.elasticsearch.client.RestHighLevelClient.performRequest(RestHighLevelClient.java:1602)
      at org.elasticsearch.client.RestHighLevelClient.performRequestAndParseEntity(RestHighLevelClient.java:1572)
      at org.elasticsearch.client.ClusterClient.health(ClusterClient.java:130)
  
      at org.sonar.application.process.ManagedProcessHandler.refreshState(ManagedProcessHandler.java:220)
      at org.sonar.application.process.ManagedProcessHandler$EventWatcher.run(ManagedProcessHandler.java:285)
  Caused by: java.lang.InterruptedException: null
      at java.base/java.lang.Object.wait(Native Method)
      at java.base/java.lang.Object.wait(Object.java:321)
      at org.apache.http.concurrent.BasicFuture.get(BasicFuture.java:82)
      at org.apache.http.impl.nio.client.FutureWrapper.get(FutureWrapper.java:70)
      at org.elasticsearch.client.RestClient.performRequest(RestClient.java:279)
      ... 11 common frames omitted
  &lt;-- Wrapper Stopped```
  </code></pre>