[YARN-42] Node Manager throws NPE on startup

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.0-alpha
• Fix Version/s: 2.0.2-alpha, 0.23.4
• Component/s: nodemanager
• Assignee: Devaraj Kavali
• Reporter: Devaraj Kavali
• Created: 14/May/12 11:38
• Updated: 11/Oct/12 17:48
• Resolved: 05/Sep/12 02:49

Description

NM throws NPE on startup if it doesn't have persmission's on nm local dir's

2012-05-14 16:32:13,468 FATAL org.apache.hadoop.yarn.server.nodemanager.NodeManager: Error starting NodeManager
org.apache.hadoop.yarn.YarnException: Failed to initialize LocalizationService
	at org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.init(ResourceLocalizationService.java:202)
	at org.apache.hadoop.yarn.service.CompositeService.init(CompositeService.java:58)
	at org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.init(ContainerManagerImpl.java:183)
	at org.apache.hadoop.yarn.service.CompositeService.init(CompositeService.java:58)
	at org.apache.hadoop.yarn.server.nodemanager.NodeManager.init(NodeManager.java:166)
	at org.apache.hadoop.yarn.server.nodemanager.NodeManager.initAndStartNodeManager(NodeManager.java:268)
	at org.apache.hadoop.yarn.server.nodemanager.NodeManager.main(NodeManager.java:284)
Caused by: java.io.IOException: mkdir of /mrv2/tmp/nm-local-dir/usercache failed
	at org.apache.hadoop.fs.FileSystem.primitiveMkdir(FileSystem.java:907)
	at org.apache.hadoop.fs.DelegateToFileSystem.mkdir(DelegateToFileSystem.java:143)
	at org.apache.hadoop.fs.FilterFs.mkdir(FilterFs.java:189)
	at org.apache.hadoop.fs.FileContext$4.next(FileContext.java:706)
	at org.apache.hadoop.fs.FileContext$4.next(FileContext.java:703)
	at org.apache.hadoop.fs.FileContext$FSLinkResolver.resolve(FileContext.java:2325)
	at org.apache.hadoop.fs.FileContext.mkdir(FileContext.java:703)
	at org.apache.hadoop.yarn.server.nodemanager.containermanager.localizer.ResourceLocalizationService.init(ResourceLocalizationService.java:188)
	... 6 more
2012-05-14 16:32:13,472 INFO org.apache.hadoop.yarn.service.CompositeService: Error stopping org.apache.hadoop.yarn.server.nodemanager.containermanager.loghandler.NonAggregatingLogHandler
java.lang.NullPointerException
	at org.apache.hadoop.yarn.server.nodemanager.containermanager.loghandler.NonAggregatingLogHandler.stop(NonAggregatingLogHandler.java:82)
	at org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:99)
	at org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:89)
	at org.apache.hadoop.yarn.server.nodemanager.containermanager.ContainerManagerImpl.stop(ContainerManagerImpl.java:266)
	at org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:99)
	at org.apache.hadoop.yarn.service.CompositeService.stop(CompositeService.java:89)
	at org.apache.hadoop.yarn.server.nodemanager.NodeManager.stop(NodeManager.java:182)
	at org.apache.hadoop.yarn.service.CompositeService$CompositeServiceShutdownHook.run(CompositeService.java:122)
	at org.apache.hadoop.util.ShutdownHookManager$1.run(ShutdownHookManager.java:54)