tail -n 100 zeppelin-zeppelin-.log at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132) at org.eclipse.jetty.server.Server.start(Server.java:387) at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114) at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61) at org.eclipse.jetty.server.Server.doStart(Server.java:354) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.apache.zeppelin.server.ZeppelinServer.main(ZeppelinServer.java:213) INFO [2018-04-23 13:58:23,303] ({main} AbstractConnector.java[doStart]:266) - Started ServerConnector@52b6319f{HTTP/1.1}{0.0.0.0:9995} INFO [2018-04-23 13:58:23,303] ({main} Server.java[doStart]:379) - Started @4279ms INFO [2018-04-23 13:58:23,303] ({main} ZeppelinServer.java[main]:221) - Done, zeppelin server started INFO [2018-04-23 14:12:55,315] ({Thread-14} ZeppelinServer.java[run]:225) - Shutting down Zeppelin Server ... INFO [2018-04-23 14:12:55,318] ({Thread-14} AbstractConnector.java[doStop]:306) - Stopped ServerConnector@52b6319f{HTTP/1.1}{0.0.0.0:9995} INFO [2018-04-23 14:12:55,322] ({Thread-14} ContextHandler.java[log]:2052) - Cleaning up Shiro Environment INFO [2018-04-23 14:12:55,322] ({Thread-14} ContextHandler.java[doStop]:865) - Stopped o.e.j.w.WebAppContext@10e92f8f{/,file:/usr/hdp/2.6.3.0-235/zeppelin/webapps/webapp/,UNAVAILABLE}{/usr/hdp/current/zeppelin-server/lib/zeppelin-web-0.7.3.2.6.3.0-235.war} ERROR [2018-04-23 14:12:55,973] ({Thread-14} ZeppelinServer.java[run]:232) - Error while stopping servlet container java.lang.NullPointerException at org.apache.zeppelin.server.ZeppelinServer$2.run(ZeppelinServer.java:228) INFO [2018-04-23 14:12:55,973] ({Thread-14} ZeppelinServer.java[run]:234) - Bye INFO [2018-04-23 14:13:06,502] ({main} ZeppelinConfiguration.java[create]:102) - Load configuration from file:/etc/zeppelin/2.6.3.0-235/0/zeppelin-site.xml INFO [2018-04-23 14:13:06,565] ({main} ZeppelinConfiguration.java[create]:110) - Server Host: 0.0.0.0 INFO [2018-04-23 14:13:06,565] ({main} ZeppelinConfiguration.java[create]:112) - Server Port: 9995 INFO [2018-04-23 14:13:06,565] ({main} ZeppelinConfiguration.java[create]:116) - Context Path: / INFO [2018-04-23 14:13:06,568] ({main} ZeppelinConfiguration.java[create]:117) - Zeppelin Version: 0.7.3 INFO [2018-04-23 14:13:06,592] ({main} Log.java[initialized]:186) - Logging initialized @400ms INFO [2018-04-23 14:13:06,667] ({main} ZeppelinServer.java[setupWebAppContext]:370) - ZeppelinServer Webapp path: /usr/hdp/current/zeppelin-server/webapps INFO [2018-04-23 14:13:06,971] ({main} ZeppelinServer.java[main]:211) - Starting zeppelin server INFO [2018-04-23 14:13:06,973] ({main} Server.java[doStart]:327) - jetty-9.2.15.v20160210 INFO [2018-04-23 14:13:09,107] ({main} StandardDescriptorProcessor.java[visitServlet]:297) - NO JSP Support for /, did not find org.eclipse.jetty.jsp.JettyJspServlet INFO [2018-04-23 14:13:09,119] ({main} ContextHandler.java[log]:2052) - Initializing Shiro environment INFO [2018-04-23 14:13:09,119] ({main} EnvironmentLoader.java[initEnvironment]:128) - Starting Shiro environment initialization. INFO [2018-04-23 14:13:09,196] ({main} EnvironmentLoader.java[initEnvironment]:141) - Shiro environment initialized in 76 ms. WARN [2018-04-23 14:13:09,202] ({main} ServletHolder.java[getNameOfJspClass]:923) - Unable to make identifier for jsp rest trying rest instead WARN [2018-04-23 14:13:09,653] ({main} NativeCodeLoader.java[<clinit>]:62) - Unable to load native-hadoop library for your platform... using builtin-java classes where applicable WARN [2018-04-23 14:13:11,472] ({main} DomainSocketFactory.java[<init>]:117) - The short-circuit local reads feature cannot be used because libhadoop cannot be loaded. INFO [2018-04-23 14:13:11,485] ({main} FileSystemConfigStorage.java[<init>]:69) - Creating filesystem: org.apache.hadoop.hdfs.DistributedFileSystem INFO [2018-04-23 14:13:11,619] ({main} FileSystemConfigStorage.java[<init>]:74) - Store zeppelin configuration files under hdfs://<NN>:8020/user/zeppelin/conf INFO [2018-04-23 14:13:11,791] ({main} InterpreterSettingManager.java[init]:328) - InterpreterSettingRef name jdbc INFO [2018-04-23 14:13:11,792] ({main} InterpreterSettingManager.java[init]:328) - InterpreterSettingRef name angular INFO [2018-04-23 14:13:11,792] ({main} InterpreterSettingManager.java[init]:328) - InterpreterSettingRef name livy INFO [2018-04-23 14:13:11,792] ({main} InterpreterSettingManager.java[init]:328) - InterpreterSettingRef name spark INFO [2018-04-23 14:13:11,792] ({main} InterpreterSettingManager.java[init]:328) - InterpreterSettingRef name sh INFO [2018-04-23 14:13:11,792] ({main} InterpreterSettingManager.java[init]:328) - InterpreterSettingRef name md INFO [2018-04-23 14:13:11,794] ({main} FileSystemConfigStorage.java[loadInterpreterSettings]:97) - Load Interpreter Setting from file: hdfs://<NN>:8020/user/zeppelin/conf/interpreter.json WARN [2018-04-23 14:13:11,930] ({main} ContextHandler.java[log]:2062) - unavailable javax.servlet.ServletException: Resource class org.apache.zeppelin.server.ZeppelinServer can not be instantiated due to InvocationTargetException at org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.createSingletonInstance(CXFNonSpringJaxrsServlet.java:396) at org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.createApplicationInstance(CXFNonSpringJaxrsServlet.java:454) at org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.createServerFromApplication(CXFNonSpringJaxrsServlet.java:432) at org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.init(CXFNonSpringJaxrsServlet.java:93) at org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:616) at org.eclipse.jetty.servlet.ServletHolder.initialize(ServletHolder.java:396) at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:871) at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:298) at org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1349) at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1342) at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:741) at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:505) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132) at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114) at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61) at org.eclipse.jetty.server.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:163) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132) at org.eclipse.jetty.server.Server.start(Server.java:387) at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114) at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61) at org.eclipse.jetty.server.Server.doStart(Server.java:354) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.apache.zeppelin.server.ZeppelinServer.main(ZeppelinServer.java:213) WARN [2018-04-23 14:13:12,603] ({main} WebAppContext.java[doStart]:514) - Failed startup of context o.e.j.w.WebAppContext@10e92f8f{/,file:/usr/hdp/2.6.3.0-235/zeppelin/webapps/webapp/,STARTING}{/usr/hdp/current/zeppelin-server/lib/zeppelin-web-0.7.3.2.6.3.0-235.war} javax.servlet.ServletException: Resource class org.apache.zeppelin.server.ZeppelinServer can not be instantiated due to InvocationTargetException at org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.createSingletonInstance(CXFNonSpringJaxrsServlet.java:396) at org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.createApplicationInstance(CXFNonSpringJaxrsServlet.java:454) at org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.createServerFromApplication(CXFNonSpringJaxrsServlet.java:432) at org.apache.cxf.jaxrs.servlet.CXFNonSpringJaxrsServlet.init(CXFNonSpringJaxrsServlet.java:93) at org.eclipse.jetty.servlet.ServletHolder.initServlet(ServletHolder.java:616) at org.eclipse.jetty.servlet.ServletHolder.initialize(ServletHolder.java:396) at org.eclipse.jetty.servlet.ServletHandler.initialize(ServletHandler.java:871) at org.eclipse.jetty.servlet.ServletContextHandler.startContext(ServletContextHandler.java:298) at org.eclipse.jetty.webapp.WebAppContext.startWebapp(WebAppContext.java:1349) at org.eclipse.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1342) at org.eclipse.jetty.server.handler.ContextHandler.doStart(ContextHandler.java:741) at org.eclipse.jetty.webapp.WebAppContext.doStart(WebAppContext.java:505) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132) at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114) at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61) at org.eclipse.jetty.server.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:163) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.eclipse.jetty.util.component.ContainerLifeCycle.start(ContainerLifeCycle.java:132) at org.eclipse.jetty.server.Server.start(Server.java:387) at org.eclipse.jetty.util.component.ContainerLifeCycle.doStart(ContainerLifeCycle.java:114) at org.eclipse.jetty.server.handler.AbstractHandler.doStart(AbstractHandler.java:61) at org.eclipse.jetty.server.Server.doStart(Server.java:354) at org.eclipse.jetty.util.component.AbstractLifeCycle.start(AbstractLifeCycle.java:68) at org.apache.zeppelin.server.ZeppelinServer.main(ZeppelinServer.java:213) INFO [2018-04-23 14:13:12,609] ({main} AbstractConnector.java[doStart]:266) - Started ServerConnector@7342e05d{HTTP/1.1}{0.0.0.0:9995} INFO [2018-04-23?