Hi David, Please try changing the proxyuyser name in the auth setting to just contain the proxyuser name that you specified in core-site.xml for the hadoop.proxyuser.ambari-user.groups, hadoop.proxyuser.ambari-user.hosts
(i.e. auth=KERBEROS;proxyuser=ambari-user). Erik > On Jul 13, 2015, at 7:32 AM, David Schmaderer <[email protected]> > wrote: > > Hello together, > > I'm facing the below error with the HDFS ambari view on my secure cluster. > I'm using HDP 2.2.6. Ambari works with an ambari-user which has it's own > keytab file and ambari kinits with this user. > I have created a new instance of the HDFS View with webhdfs.auth: > auth=KERBEROS;proxyuser=ambari-user/hostname@REALM > > java.lang.NullPointerException > at > org.apache.hadoop.security.authentication.util.KerberosName.getShortName(KerberosName.java:372) > at org.apache.hadoop.security.User.<init>(User.java:48) > at org.apache.hadoop.security.User.<init>(User.java:43) > at > org.apache.hadoop.security.UserGroupInformation.createRemoteUser(UserGroupInformation.java:1056) > at > org.apache.ambari.view.filebrowser.HdfsApi.getProxyUser(HdfsApi.java:75) > at org.apache.ambari.view.filebrowser.HdfsApi.<init>(HdfsApi.java:63) > at > org.apache.ambari.view.filebrowser.HdfsService.getApi(HdfsService.java:76) > at > org.apache.ambari.view.filebrowser.FileOperationService.listdir(FileOperationService.java:60) > at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) > at > sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) > at > sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:606) > at > com.sun.jersey.spi.container.JavaMethodInvokerFactory$1.invoke(JavaMethodInvokerFactory.java:60) > at > com.sun.jersey.server.impl.model.method.dispatch.AbstractResourceMethodDispatchProvider$ResponseOutInvoker._dispatch(AbstractResourceMethodDispatchProvider.java:205) > at > com.sun.jersey.server.impl.model.method.dispatch.ResourceJavaMethodDispatcher.dispatch(ResourceJavaMethodDispatcher.java:75) > at > com.sun.jersey.server.impl.uri.rules.HttpMethodRule.accept(HttpMethodRule.java:288) > at > com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) > at > com.sun.jersey.server.impl.uri.rules.SubLocatorRule.accept(SubLocatorRule.java:134) > at > com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) > at > com.sun.jersey.server.impl.uri.rules.SubLocatorRule.accept(SubLocatorRule.java:134) > at > com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) > at > com.sun.jersey.server.impl.uri.rules.SubLocatorRule.accept(SubLocatorRule.java:134) > at > com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) > at > com.sun.jersey.server.impl.uri.rules.SubLocatorRule.accept(SubLocatorRule.java:134) > at > com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) > at > com.sun.jersey.server.impl.uri.rules.SubLocatorRule.accept(SubLocatorRule.java:134) > at > com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) > at > com.sun.jersey.server.impl.uri.rules.ResourceClassRule.accept(ResourceClassRule.java:108) > at > com.sun.jersey.server.impl.uri.rules.RightHandPathRule.accept(RightHandPathRule.java:147) > at > com.sun.jersey.server.impl.uri.rules.RootResourceClassesRule.accept(RootResourceClassesRule.java:84) > at > com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1469) > at > com.sun.jersey.server.impl.application.WebApplicationImpl._handleRequest(WebApplicationImpl.java:1400) > at > com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1349) > at > com.sun.jersey.server.impl.application.WebApplicationImpl.handleRequest(WebApplicationImpl.java:1339) > at > com.sun.jersey.spi.container.servlet.WebComponent.service(WebComponent.java:416) > at > com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:537) > at > com.sun.jersey.spi.container.servlet.ServletContainer.service(ServletContainer.java:708) > at javax.servlet.http.HttpServlet.service(HttpServlet.java:820) > at > org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:652) > at > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1329) > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:330) > at > org.springframework.security.web.access.intercept.FilterSecurityInterceptor.invoke(FilterSecurityInterceptor.java:118) > at > org.springframework.security.web.access.intercept.FilterSecurityInterceptor.doFilter(FilterSecurityInterceptor.java:84) > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) > at > org.springframework.security.web.access.ExceptionTranslationFilter.doFilter(ExceptionTranslationFilter.java:113) > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) > at > org.springframework.security.web.session.SessionManagementFilter.doFilter(SessionManagementFilter.java:103) > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) > at > org.springframework.security.web.authentication.AnonymousAuthenticationFilter.doFilter(AnonymousAuthenticationFilter.java:113) > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) > at > org.springframework.security.web.servletapi.SecurityContextHolderAwareRequestFilter.doFilter(SecurityContextHolderAwareRequestFilter.java:54) > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) > at > org.springframework.security.web.savedrequest.RequestCacheAwareFilter.doFilter(RequestCacheAwareFilter.java:45) > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) > at > org.apache.ambari.server.security.authorization.AmbariAuthorizationFilter.doFilter(AmbariAuthorizationFilter.java:178) > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) > at > org.springframework.security.web.authentication.www.BasicAuthenticationFilter.doFilter(BasicAuthenticationFilter.java:150) > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) > at > org.springframework.security.web.context.SecurityContextPersistenceFilter.doFilter(SecurityContextPersistenceFilter.java:87) > at > org.springframework.security.web.FilterChainProxy$VirtualFilterChain.doFilter(FilterChainProxy.java:342) > at > org.springframework.security.web.FilterChainProxy.doFilterInternal(FilterChainProxy.java:192) > at > org.springframework.security.web.FilterChainProxy.doFilter(FilterChainProxy.java:160) > at > org.springframework.web.filter.DelegatingFilterProxy.invokeDelegate(DelegatingFilterProxy.java:237) > at > org.springframework.web.filter.DelegatingFilterProxy.doFilter(DelegatingFilterProxy.java:167) > at > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1300) > at > org.apache.ambari.server.api.MethodOverrideFilter.doFilter(MethodOverrideFilter.java:72) > at > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1300) > at > org.apache.ambari.server.api.AmbariPersistFilter.doFilter(AmbariPersistFilter.java:47) > at > org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1300) > at > org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:445) > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:137) > at > org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:559) > at > org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:227) > at > org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1038) > at > org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:374) > at > org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:189) > at > org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:972) > at > org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:135) > at > org.apache.ambari.server.controller.AmbariHandlerList.processHandlers(AmbariHandlerList.java:209) > at > org.apache.ambari.server.controller.AmbariHandlerList.processHandlers(AmbariHandlerList.java:198) > at > org.apache.ambari.server.controller.AmbariHandlerList.handle(AmbariHandlerList.java:145) > at > org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:116) > at org.eclipse.jetty.server.Server.handle(Server.java:363) > at > org.eclipse.jetty.server.AbstractHttpConnection.handleRequest(AbstractHttpConnection.java:483) > at > org.eclipse.jetty.server.AbstractHttpConnection.headerComplete(AbstractHttpConnection.java:920) > at > org.eclipse.jetty.server.AbstractHttpConnection$RequestHandler.headerComplete(AbstractHttpConnection.java:982) > at org.eclipse.jetty.http.HttpParser.parseNext(HttpParser.java:635) > at org.eclipse.jetty.http.HttpParser.parseAvailable(HttpParser.java:235) > at > org.eclipse.jetty.server.AsyncHttpConnection.handle(AsyncHttpConnection.java:82) > at > org.eclipse.jetty.io.nio.SelectChannelEndPoint.handle(SelectChannelEndPoint.java:627) > at > org.eclipse.jetty.io.nio.SelectChannelEndPoint$1.run(SelectChannelEndPoint.java:51) > at > org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:608) > at > org.eclipse.jetty.util.thread.QueuedThreadPool$3.run(QueuedThreadPool.java:543) > at java.lang.Thread.run(Thread.java:745) > Thank you in advance for each idea and/or solution for my problem. :) > > Kind regards, > > David
