[FALCON-1129] In a secure cluster, feed replication fails because of Authentication issues

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 0.6
• Fix Version/s: 0.6.1
• Assignee: Venkat Ranganathan
• Reporter: Venkat Ranganathan
• Created: 01/Apr/15 03:50
• Updated: 21/Apr/15 17:44
• Resolved: 13/Apr/15 17:48

Description

In a Feed replication, the Oozie Java action executes on the target and accesses the source cluster read only endpoint (which is a webhdfs endpoint). The Java action does not have the delegation tokens for the source cluster populated in its UGI/conf and this results in stack traces similar to the following:

Failing Oozie Launcher, Main class [org.apache.oozie.action.hadoop.JavaMain], main() threw exception, org.apache.hadoop.security.AccessControlException: Authentication required
org.apache.oozie.action.hadoop.JavaMainException: org.apache.hadoop.security.AccessControlException: Authentication required
at org.apache.oozie.action.hadoop.JavaMain.run(JavaMain.java:58)
at org.apache.oozie.action.hadoop.LauncherMain.run(LauncherMain.java:39)
at org.apache.oozie.action.hadoop.JavaMain.main(JavaMain.java:36)
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:226)
at org.apache.hadoop.mapred.MapRunner.run(MapRunner.java:54)
at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:450)
at org.apache.hadoop.mapred.MapTask.run(MapTask.java:343)
at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:163)
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:1628)
at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Caused by: org.apache.hadoop.security.AccessControlException: Authentication required
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.validateResponse(WebHdfsFileSystem.java:334)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.access$200(WebHdfsFileSystem.java:91)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.runWithRetry(WebHdfsFileSystem.java:608)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.access$100(WebHdfsFileSystem.java:458)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner$1.run(WebHdfsFileSystem.java:487)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.run(WebHdfsFileSystem.java:483)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getDelegationToken(WebHdfsFileSystem.java:1306)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getDelegationToken(WebHdfsFileSystem.java:237)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getAuthParameters(WebHdfsFileSystem.java:423)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.toUrl(WebHdfsFileSystem.java:444)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractFsPathRunner.getUrl(WebHdfsFileSystem.java:691)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.runWithRetry(WebHdfsFileSystem.java:603)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.access$100(WebHdfsFileSystem.java:458)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner$1.run(WebHdfsFileSystem.java:487)
at java.security.AccessController.doPrivileged(Native Method)
at javax.security.auth.Subject.doAs(Subject.java:415)
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1628)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem$AbstractRunner.run(WebHdfsFileSystem.java:483)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getHdfsFileStatus(WebHdfsFileSystem.java:838)
at org.apache.hadoop.hdfs.web.WebHdfsFileSystem.getFileStatus(WebHdfsFileSystem.java:853)
at org.apache.hadoop.fs.Globber.getFileStatus(Globber.java:57)
at org.apache.hadoop.fs.Globber.glob(Globber.java:252)
at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:1648)
at org.apache.falcon.latedata.LateDataHandler.usage(LateDataHandler.java:207)
at org.apache.falcon.latedata.LateDataHandler.getFileSystemUsageMetric(LateDataHandler.java:199)
at org.apache.falcon.latedata.LateDataHandler.computeStorageMetric(LateDataHandler.java:171)
at org.apache.falcon.latedata.LateDataHandler.computeMetrics(LateDataHandler.java:120)
at org.apache.falcon.latedata.LateDataHandler.run(LateDataHandler.java:97)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
at org.apache.falcon.latedata.LateDataHandler.main(LateDataHandler.java:55)
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:55)
... 15 more

The Workflow builder should be updated to specify the configuration property mapreduce.job.hdfs-servers to list all the endpoints accessed by the action.

Issue Links

• is duplicated by: FALCON-505 Replication Job throws GSSException on secure cluster
• links to: RB Link