title: java.lang.ClassNotFoundException sun.misc.GC
body: <p><strong>Version</strong>
  Java: 10.0.1
  Tomcat: 8.0.36
  Ubuntu: 18.04 (64 bit)
  Eclipse: Photon (64 bit)</p>
  
  <p>Error: When I run the Tomcat server, I found below error. Please don't tell me to decrease the version if possible, because I love to use latest technology.</p>
  
  <pre><code>    SEVERE: Failed to trigger creation of the GC Daemon thread during Tomcat start to prevent possible memory leaks. This is expected on non-Sun JVMs.
  java.lang.ClassNotFoundException: sun.misc.GC
  at java.base/java.net.URLClassLoader.findClass(URLClassLoader.java:466)
  at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:566)
  at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:499)
  at java.base/java.lang.Class.forName0(Native Method)
  at java.base/java.lang.Class.forName(Class.java:291)
  at org.apache.catalina.core.JreMemoryLeakPreventionListener.lifecycleEvent(JreMemoryLeakPreventionListener.java:286)
  at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:95)
  at org.apache.catalina.util.LifecycleBase.fireLifecycleEvent(LifecycleBase.java:90)
  at org.apache.catalina.util.LifecycleBase.setStateInternal(LifecycleBase.java:394)
  at org.apache.catalina.util.LifecycleBase.init(LifecycleBase.java:99)
  at org.apache.catalina.startup.Catalina.load(Catalina.java:580)
  at org.apache.catalina.startup.Catalina.load(Catalina.java:603)
  at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
  at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
  at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
  at java.base/java.lang.reflect.Method.invoke(Method.java:564)
  at org.apache.catalina.startup.Bootstrap.load(Bootstrap.java:310)
  at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:484)
  </code></pre>