title: Unable Deploy Spring on Tomcat
body: <p>Today I got an error like that one below, when I compiled a Spring project on Eclipse. I did not change any windows variable or environment variable on eclipse.</p>
  
  <pre><code>...
  May 18, 2016 4:56:20 PM org.apache.catalina.core.StandardContext startInternal
  SEVERE: Error during ServletContainerInitializer processing
  javax.servlet.ServletException: Not running on Jetty, JSR-356 support unavailable
      at org.eclipse.jetty.websocket.jsr356.server.deploy.WebSocketServerContainerInitializer.onStartup(WebSocketServerContainerInitializer.java:146)
      at org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5240)
      at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:147)
      at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1408)
      at org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1398)
      at java.util.concurrent.FutureTask.run(FutureTask.java:266)
      at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
      at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
      at java.lang.Thread.run(Thread.java:745)
  
  May 18, 2016 4:56:20 PM org.apache.catalina.core.StandardContext startInternal
  SEVERE: Context [/api] startup failed due to previous errors
  May 18, 2016 4:56:20 PM org.apache.coyote.AbstractProtocol start
  INFO: Starting ProtocolHandler ["http-nio-8080"]
  May 18, 2016 4:56:20 PM org.apache.coyote.AbstractProtocol start
  INFO: Starting ProtocolHandler ["ajp-nio-8009"]
  May 18, 2016 4:56:20 PM org.apache.catalina.startup.Catalina start
  INFO: Server startup in 4673 ms
  </code></pre>
  
  <p>Please help me...
  Thank you </p>