Flakey test: TestNodeManagerShutdown#testKillContainersOnShutdown

=Seems to be timing related as the container status RUNNING as returned by the ContainerManager does not really indicate that the container task has been launched. Sleep of 5 seconds is not reliable.

Running org.apache.hadoop.yarn.server.nodemanager.TestNodeManagerShutdown
Tests run: 1, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 9.353 sec <<< FAILURE!
testKillContainersOnShutdown(org.apache.hadoop.yarn.server.nodemanager.TestNodeManagerShutdown) Time elapsed: 9283 sec <<< FAILURE!
junit.framework.AssertionFailedError: Did not find sigterm message
at junit.framework.Assert.fail(Assert.java:47)
at junit.framework.Assert.assertTrue(Assert.java:20)
at org.apache.hadoop.yarn.server.nodemanager.TestNodeManagerShutdown.testKillContainersOnShutdown(TestNodeManagerShutdown.java:162)

Logs:

2013-01-09 14:13:08,401 INFO [AsyncDispatcher event handler] container.Container (ContainerImpl.java:handle(835)) - Container container_0_0000_01_000000 transitioned from NEW to LOCALIZING
2013-01-09 14:13:08,412 INFO [AsyncDispatcher event handler] localizer.LocalizedResource (LocalizedResource.java:handle(194)) - Resource file:hadoop-common/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/target/org.apache.hadoop.yarn.server.nodemanager.TestNodeManagerShutdown/tmpDir/scriptFile.sh transitioned from INIT to DOWNLOADING
2013-01-09 14:13:08,412 INFO [AsyncDispatcher event handler] localizer.ResourceLocalizationService (ResourceLocalizationService.java:handle(521)) - Created localizer for container_0_0000_01_000000
2013-01-09 14:13:08,589 INFO [LocalizerRunner for container_0_0000_01_000000] localizer.ResourceLocalizationService (ResourceLocalizationService.java:writeCredentials(895)) - Writing credentials to the nmPrivate file hadoop-common/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/target/org.apache.hadoop.yarn.server.nodemanager.TestNodeManagerShutdown/nm0/nmPrivate/container_0_0000_01_000000.tokens. Credentials list:
2013-01-09 14:13:08,628 INFO [LocalizerRunner for container_0_0000_01_000000] nodemanager.DefaultContainerExecutor (DefaultContainerExecutor.java:createUserCacheDirs(373)) - Initializing user nobody
2013-01-09 14:13:08,709 INFO [main] containermanager.ContainerManagerImpl (ContainerManagerImpl.java:getContainerStatus(538)) - Returning container_id {, app_attempt_id {, application_id

, attemptId: 1, }, }, state: C_RUNNING, diagnostics: "", exit_status: -1000,
2013-01-09 14:13:08,781 INFO [LocalizerRunner for container_0_0000_01_000000] nodemanager.DefaultContainerExecutor (DefaultContainerExecutor.java:startLocalizer(99)) - Copying from hadoop-common/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/target/org.apache.hadoop.yarn.server.nodemanager.TestNodeManagerShutdown/nm0/nmPrivate/container_0_0000_01_000000.tokens to hadoop-common/hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/target/org.apache.hadoop.yarn.server.nodemanager.TestNodeManagerShutdown/nm0/usercache/nobody/appcache/application_0_0000/container_0_0000_01_000000.tokens