I am trying to run jetty 9.2.4 version and I get the following exception. the same server set up works fine on my local set up (mac), staging environment (linux, ubutnu) but does not work on another server I am trying to set this up on. Pleas suggest what could be wrong. I am almost clueless.
:/WEBCHAT/jetty-distribution-9.2.4.v20141103# java -jar start.jar 2014-12-17 08:24:11.695:INFO::main: Logging initialized @1221ms 2014-12-17 08:24:11.947:WARN:oejs.HomeBaseWarning:main: This instance of Jetty is not running from a separate {jetty.base} directory, this is not recommended. See documentation at http://www.eclipse.org/jetty/documentation/current/startup.html 2014-12-17 08:24:12.848:INFO:oejs.Server:main: jetty-9.2.4.v20141103 2014-12-17 08:24:12.879:INFO:oejs.AbstractNCSARequestLog:main: Opened /WEBCHAT/jetty-distribution-9.2.4.v20141103/logs/2014_12_17.request.log 2014-12-17 08:24:12.943:INFO:oejdp.ScanningAppProvider:main: Deployment monitor [file:/WEBCHAT/jetty-distribution-9.2.4.v20141103/webapps/] at interval 1 2014-12-17 08:24:29.188:WARN:oejuc.AbstractLifeCycle:main: FAILED org.eclipse.jetty.annotations.ServletContainerInitializersStarter@29b95cf5: java.lang.NoClassDefFoundError: org/eclipse/jetty/websocket/WebSocket$OnTextMessage java.lang.NoClassDefFoundError: org/eclipse/jetty/websocket/WebSocket$OnTextMessage at java.lang.ClassLoader.defineClass1(Native Method) at java.lang.ClassLoader.defineClass(ClassLoader.java:800) at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142) at java.net.URLClassLoader.defineClass(URLClassLoader.java:449) at java.net.URLClassLoader.access$100(URLClassLoader.java:71) at java.net.URLClassLoader$1.run(URLClassLoader.java:361) at java.net.URLClassLoader$1.run(URLClassLoader.java:355) at java.security.AccessController.doPrivileged(Native Method) at java.net.URLClassLoader.findClass(URLClassLoader.java:354) at org.eclipse.jetty.webapp.WebAppClassLoader.findClass(WebAppClassLoader.java:510) at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:441) at org.eclipse.jetty.webapp.WebAppClassLoader.loadClass(WebAppClassLoader.java:403)