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Ship it! Ship It! - Ajay Yadava On July 16, 2015, 4:55 a.m., Venkat Ranganathan wrote: > > ----------------------------------------------------------- > This is an automatically generated e-mail. To reply, visit: > https://reviews.apache.org/r/36536/ > ----------------------------------------------------------- > > (Updated July 16, 2015, 4:55 a.m.) > > > Review request for Falcon. > > > Bugs: FALCON-1312 > https://issues.apache.org/jira/browse/FALCON-1312 > > > Repository: falcon-git > > > Description > ------- > > In an environment with NN-HA or security setup, the postprocessing action > will fail accessing the filesystem if the cluster entity was created before > the enablement of HA or security settings. > == > > Failing Oozie Launcher, Main class > [org.apache.oozie.action.hadoop.JavaMain], main() threw exception, > java.lang.IllegalArgumentException: java.net.UnknownHostException: nameservice > org.apache.oozie.action.hadoop.JavaMainException: > java.lang.IllegalArgumentException: java.net.UnknownHostException: nameservice > at org.apache.oozie.action.hadoop.JavaMain.run(JavaMain.java:59) > at org.apache.oozie.action.hadoop.LauncherMain.run(LauncherMain.java:47) > at org.apache.oozie.action.hadoop.JavaMain.main(JavaMain.java:35) > 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 > org.apache.oozie.action.hadoop.LauncherMapper.map(LauncherMapper.java:236) > at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54) > at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:453) > at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343) > at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:164) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:415) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657) > at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158) > Caused by: java.lang.IllegalArgumentException: > java.net.UnknownHostException: nameservice > at > org.apache.hadoop.security.SecurityUtil.buildTokenService(SecurityUtil.java:377) > at > org.apache.hadoop.hdfs.NameNodeProxies.createNonHAProxy(NameNodeProxies.java:310) > at > org.apache.hadoop.hdfs.NameNodeProxies.createProxy(NameNodeProxies.java:176) > at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:678) > at org.apache.hadoop.hdfs.DFSClient.<init>(DFSClient.java:619) > at > org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:149) > at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:2653) > at org.apache.hadoop.fs.FileSystem.access$200(FileSystem.java:92) > at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:2687) > at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:2669) > at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:371) > at > org.apache.falcon.hadoop.HadoopClientFactory$1.run(HadoopClientFactory.java:200) > at > org.apache.falcon.hadoop.HadoopClientFactory$1.run(HadoopClientFactory.java:198) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:415) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657) > at > org.apache.falcon.hadoop.HadoopClientFactory.createFileSystem(HadoopClientFactory.java:198) > at > org.apache.falcon.hadoop.HadoopClientFactory.createProxiedFileSystem(HadoopClientFactory.java:153) > at > org.apache.falcon.hadoop.HadoopClientFactory.createProxiedFileSystem(HadoopClientFactory.java:145) > at > org.apache.falcon.workflow.WorkflowExecutionContext.serialize(WorkflowExecutionContext.java:313) > at > org.apache.falcon.workflow.WorkflowExecutionContext.serialize(WorkflowExecutionContext.java:299) > at > org.apache.falcon.workflow.FalconPostProcessing.run(FalconPostProcessing.java:49) > at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) > at > org.apache.falcon.workflow.FalconPostProcessing.main(FalconPostProcessing.java:39) > 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 org.apache.oozie.action.hadoop.JavaMain.run(JavaMain.java:56) > ... 15 more > Caused by: java.net.UnknownHostException: nameservice > ... 44 more > == > > In the above stack trace it is clear that we are using non-HA proxy because > the configuration used does not have the HA information The patch fixes > this issue > > > Diffs > ----- > > > common/src/main/java/org/apache/falcon/workflow/WorkflowExecutionContext.java > 53ef5de > oozie/src/main/java/org/apache/falcon/logging/JobLogMover.java ba669c8 > oozie/src/main/java/org/apache/falcon/workflow/FalconPostProcessing.java > 7557153 > > Diff: https://reviews.apache.org/r/36536/diff/ > > > Testing > ------- > > With the attached patch, Falcon postprocessing works correctly when NN-HA is > enabled after entity creation > > > Thanks, > > Venkat Ranganathan > >
