[ 
https://issues.apache.org/jira/browse/SLIDER-835?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14390417#comment-14390417
 ] 

Steve Loughran commented on SLIDER-835:
---------------------------------------

RM Web UI isn't coming up
{code}
2015-03-31 16:12:05,155 [Thread-2] INFO  test.MicroZKCluster 
(MicroZKCluster.groovy:createCluster(53)) - Created Micro ZK cluster as 
localhost:55724
2015-03-31 16:12:05,404 [Thread-2] INFO  imps.CuratorFrameworkImpl 
(CuratorFrameworkImpl.java:start(223)) - Starting
2015-03-31 16:12:05,469 [Thread-2-EventThread] INFO  
state.ConnectionStateManager (ConnectionStateManager.java:postState(194)) - 
State change: CONNECTED
2015-03-31 16:12:05,469 [ConnectionStateManager-0] WARN  
state.ConnectionStateManager (ConnectionStateManager.java:processEvents(212)) - 
There are no ConnectionStateListeners registered.
2015-03-31 16:12:05,814 [Thread-2] INFO  conf.Configuration 
(Configuration.java:getConfResourceAsInputStream(2352)) - core-site.xml not 
found
2015-03-31 16:12:05,815 [Thread-2] INFO  security.Groups 
(Groups.java:refresh(256)) - clearing userToGroupsMap cache
2015-03-31 16:12:05,878 [Thread-2] INFO  conf.Configuration 
(Configuration.java:getConfResourceAsInputStream(2352)) - yarn-site.xml not 
found
2015-03-31 16:12:06,076 [Thread-2] INFO  resourcemanager.ResourceManager 
(ResourceManager.java:createScheduler(283)) - Using Scheduler: 
org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler
2015-03-31 16:12:06,188 [Thread-2] INFO  security.YarnAuthorizationProvider 
(YarnAuthorizationProvider.java:getInstance(57)) - 
org.apache.hadoop.yarn.security.ConfiguredYarnAuthorizer is instiantiated.
2015-03-31 16:12:06,189 [Thread-2] INFO  metrics.SystemMetricsPublisher 
(SystemMetricsPublisher.java:serviceInit(93)) - YARN system metrics publishing 
service is not enabled
2015-03-31 16:12:06,210 [Thread-2] INFO  server.MiniYARNCluster 
(MiniYARNCluster.java:prepareDirs(550)) - Created localDir in 
/grid/0/jenkins/workspace/UT-slider-dal/hdp-BUILDS/slider-0.70.1.2.3.0.0/slider-core/target/testresturis/testresturis-localDir-nm-0_0
2015-03-31 16:12:06,210 [Thread-2] INFO  server.MiniYARNCluster 
(MiniYARNCluster.java:prepareDirs(550)) - Created logDir in 
/grid/0/jenkins/workspace/UT-slider-dal/hdp-BUILDS/slider-0.70.1.2.3.0.0/slider-core/target/testresturis/testresturis-logDir-nm-0_0
2015-03-31 16:12:06,212 [Thread-2] INFO  server.MiniYARNCluster 
(MiniYARNCluster.java:serviceInit(532)) - Starting NM: 0
2015-03-31 16:12:06,298 [Thread-2] INFO  localizer.ResourceLocalizationService 
(ResourceLocalizationService.java:validateConf(217)) - per directory file limit 
= 8192
2015-03-31 16:12:06,347 [Thread-2] INFO  server.MiniYARNCluster 
(MiniYARNCluster.java:startResourceManager(320)) - Waiting for RM to start...
2015-03-31 16:12:06,347 [RM-0] INFO  resourcemanager.ResourceManager 
(ResourceManager.java:transitionToActive(1029)) - Transitioning to active state
2015-03-31 16:12:06,359 [RM-0] INFO  recovery.RMStateStore 
(RMStateStore.java:transition(407)) - Updating AMRMToken
2015-03-31 16:12:06,360 [RM-0] INFO  recovery.RMStateStore 
(RMStateStore.java:transition(365)) - Storing RMDTMasterKey.
2015-03-31 16:12:06,362 [Thread[Thread-22,5,main]] INFO  recovery.RMStateStore 
(RMStateStore.java:transition(365)) - Storing RMDTMasterKey.
2015-03-31 16:12:06,392 [RM-0] INFO  ipc.CallQueueManager 
(CallQueueManager.java:<init>(53)) - Using callQueue class 
java.util.concurrent.LinkedBlockingQueue
2015-03-31 16:12:06,400 [Socket Reader #1 for port 49326] INFO  ipc.Server 
(Server.java:run(608)) - Starting Socket Reader #1 for port 49326
2015-03-31 16:12:06,419 [RM-0] INFO  pb.RpcServerFactoryPBImpl 
(RpcServerFactoryPBImpl.java:createServer(174)) - Adding protocol 
org.apache.hadoop.yarn.server.api.ResourceTrackerPB to the server
2015-03-31 16:12:06,419 [IPC Server Responder] INFO  ipc.Server 
(Server.java:run(838)) - IPC Server Responder: starting
2015-03-31 16:12:06,419 [IPC Server listener on 49326] INFO  ipc.Server 
(Server.java:run(678)) - IPC Server listener on 49326: starting
2015-03-31 16:12:06,444 [RM-0] INFO  ipc.CallQueueManager 
(CallQueueManager.java:<init>(53)) - Using callQueue class 
java.util.concurrent.LinkedBlockingQueue
2015-03-31 16:12:06,451 [Socket Reader #1 for port 52117] INFO  ipc.Server 
(Server.java:run(608)) - Starting Socket Reader #1 for port 52117
2015-03-31 16:12:06,461 [RM-0] INFO  pb.RpcServerFactoryPBImpl 
(RpcServerFactoryPBImpl.java:createServer(174)) - Adding protocol 
org.apache.hadoop.yarn.api.ApplicationMasterProtocolPB to the server
2015-03-31 16:12:06,462 [IPC Server Responder] INFO  ipc.Server 
(Server.java:run(838)) - IPC Server Responder: starting
2015-03-31 16:12:06,462 [IPC Server listener on 52117] INFO  ipc.Server 
(Server.java:run(678)) - IPC Server listener on 52117: starting
2015-03-31 16:12:06,561 [RM-0] INFO  ipc.CallQueueManager 
(CallQueueManager.java:<init>(53)) - Using callQueue class 
java.util.concurrent.LinkedBlockingQueue
2015-03-31 16:12:06,562 [Socket Reader #1 for port 57474] INFO  ipc.Server 
(Server.java:run(608)) - Starting Socket Reader #1 for port 57474
2015-03-31 16:12:06,565 [RM-0] INFO  pb.RpcServerFactoryPBImpl 
(RpcServerFactoryPBImpl.java:createServer(174)) - Adding protocol 
org.apache.hadoop.yarn.api.ApplicationClientProtocolPB to the server
2015-03-31 16:12:06,566 [IPC Server Responder] INFO  ipc.Server 
(Server.java:run(838)) - IPC Server Responder: starting
2015-03-31 16:12:06,566 [IPC Server listener on 57474] INFO  ipc.Server 
(Server.java:run(678)) - IPC Server listener on 57474: starting
2015-03-31 16:12:06,584 [RM-0] INFO  resourcemanager.ResourceManager 
(ResourceManager.java:transitionToActive(1045)) - Transitioned to active state
2015-03-31 16:12:06,665 [RM-0] INFO  mortbay.log (Slf4jLog.java:info(67)) - 
Logging to org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via 
org.mortbay.log.Slf4jLog
2015-03-31 16:12:06,672 [RM-0] INFO  http.HttpRequestLog 
(HttpRequestLog.java:getRequestLog(80)) - Http request log for 
http.requests.resourcemanager is not defined
2015-03-31 16:12:06,677 [RM-0] INFO  http.HttpServer2 
(HttpServer2.java:addGlobalFilter(658)) - Added global filter 'safety' 
(class=org.apache.hadoop.http.HttpServer2$QuotingInputFilter)
2015-03-31 16:12:06,681 [RM-0] INFO  http.HttpServer2 
(HttpServer2.java:addFilter(633)) - Added filter RMAuthenticationFilter 
(class=org.apache.hadoop.yarn.server.security.http.RMAuthenticationFilter) to 
context cluster
2015-03-31 16:12:06,681 [RM-0] INFO  http.HttpServer2 
(HttpServer2.java:addFilter(641)) - Added filter RMAuthenticationFilter 
(class=org.apache.hadoop.yarn.server.security.http.RMAuthenticationFilter) to 
context static
2015-03-31 16:12:06,682 [RM-0] INFO  http.HttpServer2 
(HttpServer2.java:addFilter(633)) - Added filter static_user_filter 
(class=org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter) to 
context cluster
2015-03-31 16:12:06,682 [RM-0] INFO  http.HttpServer2 
(HttpServer2.java:addFilter(641)) - Added filter static_user_filter 
(class=org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter) to 
context static
2015-03-31 16:12:06,686 [RM-0] INFO  http.HttpServer2 
(HttpServer2.java:initializeWebServer(375)) - adding path spec: /cluster/*
2015-03-31 16:12:06,686 [RM-0] INFO  http.HttpServer2 
(HttpServer2.java:initializeWebServer(375)) - adding path spec: /ws/*
2015-03-31 16:12:06,695 [RM-0] INFO  http.HttpServer2 
(HttpServer2.java:openListeners(863)) - Jetty bound to port 34951
2015-03-31 16:12:06,695 [RM-0] INFO  mortbay.log (Slf4jLog.java:info(67)) - 
jetty-6.1.26
2015-03-31 16:12:06,728 [RM-0] INFO  mortbay.log (Slf4jLog.java:info(67)) - 
Extract 
jar:file:/grid/0/jenkins/.m2/repository/org/apache/hadoop/hadoop-yarn-common/2.7.0.2.3.0.0-1433/hadoop-yarn-common-2.7.0.2.3.0.0-1433.jar!/webapps/cluster
 to /tmp/Jetty_ip.10.0.0.90_ec2_internal_34951_cluster____v0raaq/webapp
2015-03-31 16:12:06,832 [RM-0] WARN  mortbay.log (Slf4jLog.java:warn(76)) - 
failed RMAuthenticationFilter: javax.servlet.ServletException: 
java.lang.RuntimeException: Could not read signature secret file: 
/grid/0/jenkins/hadoop-http-auth-signature-secret
2015-03-31 16:12:06,832 [RM-0] WARN  mortbay.log (Slf4jLog.java:warn(89)) - 
Failed startup of context 
org.mortbay.jetty.webapp.WebAppContext@1e83c8ff{/,jar:file:/grid/0/jenkins/.m2/repository/org/apache/hadoop/hadoop-yarn-common/2.7.0.2.3.0.0-1433/hadoop-yarn-common-2.7.0.2.3.0.0-1433.jar!/webapps/cluster}
javax.servlet.ServletException: java.lang.RuntimeException: Could not read 
signature secret file: /grid/0/jenkins/hadoop-http-auth-signature-secret
        at 
org.apache.hadoop.security.authentication.server.AuthenticationFilter.initializeSecretProvider(AuthenticationFilter.java:266)
        at 
org.apache.hadoop.security.authentication.server.AuthenticationFilter.init(AuthenticationFilter.java:225)
        at 
org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticationFilter.init(DelegationTokenAuthenticationFilter.java:161)
        at 
org.apache.hadoop.yarn.server.security.http.RMAuthenticationFilter.init(RMAuthenticationFilter.java:53)
        at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:97)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at 
org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:713)
        at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
        at 
org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1282)
        at 
org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:518)
        at 
org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:499)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at 
org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
        at 
org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:156)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at 
org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
        at org.mortbay.jetty.Server.doStart(Server.java:224)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:805)
        at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:274)
        at 
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.startWepApp(ResourceManager.java:974)
        at 
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStart(ResourceManager.java:1074)
        at 
org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
        at 
org.apache.hadoop.yarn.server.MiniYARNCluster$2.run(MiniYARNCluster.java:312)
Caused by: java.lang.RuntimeException: Could not read signature secret file: 
/grid/0/jenkins/hadoop-http-auth-signature-secret
        at 
org.apache.hadoop.security.authentication.util.FileSignerSecretProvider.init(FileSignerSecretProvider.java:59)
        at 
org.apache.hadoop.security.authentication.server.AuthenticationFilter.initializeSecretProvider(AuthenticationFilter.java:264)
        ... 23 more
2015-03-31 16:12:06,835 [RM-0] ERROR mortbay.log (Slf4jLog.java:warn(87)) - 
Nested in javax.servlet.ServletException: java.lang.RuntimeException: Could not 
read signature secret file: /grid/0/jenkins/hadoop-http-auth-signature-secret:
java.lang.RuntimeException: Could not read signature secret file: 
/grid/0/jenkins/hadoop-http-auth-signature-secret
        at 
org.apache.hadoop.security.authentication.util.FileSignerSecretProvider.init(FileSignerSecretProvider.java:59)
        at 
org.apache.hadoop.security.authentication.server.AuthenticationFilter.initializeSecretProvider(AuthenticationFilter.java:264)
        at 
org.apache.hadoop.security.authentication.server.AuthenticationFilter.init(AuthenticationFilter.java:225)
        at 
org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticationFilter.init(DelegationTokenAuthenticationFilter.java:161)
        at 
org.apache.hadoop.yarn.server.security.http.RMAuthenticationFilter.init(RMAuthenticationFilter.java:53)
        at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:97)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at 
org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:713)
        at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
        at 
org.mortbay.jetty.webapp.WebAppContext.startContext(WebAppContext.java:1282)
        at 
org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:518)
        at 
org.mortbay.jetty.webapp.WebAppContext.doStart(WebAppContext.java:499)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at 
org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
        at 
org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:156)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at 
org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
        at org.mortbay.jetty.Server.doStart(Server.java:224)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:805)
        at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:274)
        at 
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.startWepApp(ResourceManager.java:974)
        at 
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStart(ResourceManager.java:1074)
        at 
org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
        at 
org.apache.hadoop.yarn.server.MiniYARNCluster$2.run(MiniYARNCluster.java:312)
2015-03-31 16:12:06,836 [RM-0] WARN  mortbay.log (Slf4jLog.java:warn(76)) - 
failed RMAuthenticationFilter: javax.servlet.ServletException: 
java.lang.RuntimeException: Could not read signature secret file: 
/grid/0/jenkins/hadoop-http-auth-signature-secret
2015-03-31 16:12:06,836 [RM-0] WARN  mortbay.log (Slf4jLog.java:warn(76)) - 
failed 
org.mortbay.jetty.servlet.Context@577495f9{/static,jar:file:/grid/0/jenkins/.m2/repository/org/apache/hadoop/hadoop-yarn-common/2.7.0.2.3.0.0-1433/hadoop-yarn-common-2.7.0.2.3.0.0-1433.jar!/webapps/static}:
 javax.servlet.ServletException: java.lang.RuntimeException: Could not read 
signature secret file: /grid/0/jenkins/hadoop-http-auth-signature-secret
2015-03-31 16:12:06,836 [RM-0] WARN  mortbay.log (Slf4jLog.java:warn(76)) - 
failed ContextHandlerCollection@4d66ea88: javax.servlet.ServletException: 
java.lang.RuntimeException: Could not read signature secret file: 
/grid/0/jenkins/hadoop-http-auth-signature-secret
2015-03-31 16:12:06,836 [RM-0] WARN  mortbay.log (Slf4jLog.java:warn(89)) - 
Error starting handlers
javax.servlet.ServletException: java.lang.RuntimeException: Could not read 
signature secret file: /grid/0/jenkins/hadoop-http-auth-signature-secret
        at 
org.apache.hadoop.security.authentication.server.AuthenticationFilter.initializeSecretProvider(AuthenticationFilter.java:266)
        at 
org.apache.hadoop.security.authentication.server.AuthenticationFilter.init(AuthenticationFilter.java:225)
        at 
org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticationFilter.init(DelegationTokenAuthenticationFilter.java:161)
        at 
org.apache.hadoop.yarn.server.security.http.RMAuthenticationFilter.init(RMAuthenticationFilter.java:53)
        at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:97)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at 
org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:713)
        at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
        at 
org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:518)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at 
org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
        at 
org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:156)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at 
org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
        at org.mortbay.jetty.Server.doStart(Server.java:224)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:805)
        at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:274)
        at 
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.startWepApp(ResourceManager.java:974)
        at 
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStart(ResourceManager.java:1074)
        at 
org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
        at 
org.apache.hadoop.yarn.server.MiniYARNCluster$2.run(MiniYARNCluster.java:312)
Caused by: java.lang.RuntimeException: Could not read signature secret file: 
/grid/0/jenkins/hadoop-http-auth-signature-secret
        at 
org.apache.hadoop.security.authentication.util.FileSignerSecretProvider.init(FileSignerSecretProvider.java:59)
        at 
org.apache.hadoop.security.authentication.server.AuthenticationFilter.initializeSecretProvider(AuthenticationFilter.java:264)
        ... 21 more
2015-03-31 16:12:06,837 [RM-0] ERROR mortbay.log (Slf4jLog.java:warn(87)) - 
Nested in javax.servlet.ServletException: java.lang.RuntimeException: Could not 
read signature secret file: /grid/0/jenkins/hadoop-http-auth-signature-secret:
java.lang.RuntimeException: Could not read signature secret file: 
/grid/0/jenkins/hadoop-http-auth-signature-secret
        at 
org.apache.hadoop.security.authentication.util.FileSignerSecretProvider.init(FileSignerSecretProvider.java:59)
        at 
org.apache.hadoop.security.authentication.server.AuthenticationFilter.initializeSecretProvider(AuthenticationFilter.java:264)
        at 
org.apache.hadoop.security.authentication.server.AuthenticationFilter.init(AuthenticationFilter.java:225)
        at 
org.apache.hadoop.security.token.delegation.web.DelegationTokenAuthenticationFilter.init(DelegationTokenAuthenticationFilter.java:161)
        at 
org.apache.hadoop.yarn.server.security.http.RMAuthenticationFilter.init(RMAuthenticationFilter.java:53)
        at org.mortbay.jetty.servlet.FilterHolder.doStart(FilterHolder.java:97)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at 
org.mortbay.jetty.servlet.ServletHandler.initialize(ServletHandler.java:713)
        at org.mortbay.jetty.servlet.Context.startContext(Context.java:140)
        at 
org.mortbay.jetty.handler.ContextHandler.doStart(ContextHandler.java:518)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at 
org.mortbay.jetty.handler.HandlerCollection.doStart(HandlerCollection.java:152)
        at 
org.mortbay.jetty.handler.ContextHandlerCollection.doStart(ContextHandlerCollection.java:156)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at 
org.mortbay.jetty.handler.HandlerWrapper.doStart(HandlerWrapper.java:130)
        at org.mortbay.jetty.Server.doStart(Server.java:224)
        at 
org.mortbay.component.AbstractLifeCycle.start(AbstractLifeCycle.java:50)
        at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:805)
        at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:274)
        at 
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.startWepApp(ResourceManager.java:974)
        at 
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStart(ResourceManager.java:1074)
        at 
org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
        at 
org.apache.hadoop.yarn.server.MiniYARNCluster$2.run(MiniYARNCluster.java:312)
2015-03-31 16:12:06,842 [RM-0] INFO  mortbay.log (Slf4jLog.java:info(67)) - 
Started 
HttpServer2$SelectChannelConnectorWithSafeStartup@ip-10-0-0-90.ec2.internal:34951
2015-03-31 16:12:06,843 [RM-0] INFO  service.AbstractService 
(AbstractService.java:noteFailure(272)) - Service ResourceManager failed in 
state STARTED; cause: org.apache.hadoop.yarn.webapp.WebAppException: Error 
starting http server
org.apache.hadoop.yarn.webapp.WebAppException: Error starting http server
        at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:279)
        at 
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.startWepApp(ResourceManager.java:974)
        at 
org.apache.hadoop.yarn.server.resourcemanager.ResourceManager.serviceStart(ResourceManager.java:1074)
        at 
org.apache.hadoop.service.AbstractService.start(AbstractService.java:193)
        at 
org.apache.hadoop.yarn.server.MiniYARNCluster$2.run(MiniYARNCluster.java:312)
Caused by: java.io.IOException: Problem in starting http server. Server 
handlers failed
        at org.apache.hadoop.http.HttpServer2.start(HttpServer2.java:817)
        at org.apache.hadoop.yarn.webapp.WebApps$Builder.start(WebApps.java:274)
        ... 4 more
2015-03-31 16:12:06,843 [RM-0] INFO  ipc.Server (Server.java:stop(2454)) - 
Stopping server on 57474
{code}

> jenkins failing; minicluster not coming up
> ------------------------------------------
>
>                 Key: SLIDER-835
>                 URL: https://issues.apache.org/jira/browse/SLIDER-835
>             Project: Slider
>          Issue Type: Sub-task
>          Components: test
>    Affects Versions: Slider 0.80
>         Environment: (in-house) Jenkins against Hadoop 2.7.0
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>             Fix For: Slider 0.80
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> Tests runs are failing on Jenkins with a stack trace in minicluster setup



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