Using the demo example. There is a replication job that copies dataset from Source to Target cluster by launching a REPLICATION job on Target Oozie cluster. But it fails with the following GSSException:
I have added both the oozie servers (one for source and target clusters) to the core-site.xml of both the clusters as proxyuser machines as below: source-cluster and target-cluster : core-site.xml has the following: <property> <name>hadoop.proxyuser.oozie.groups</name> <value>users</value> </property> <property> <name>hadoop.proxyuser.oozie.hosts</name> <value>eat1-hcl0758.grid.linkedin.com,eat1-hcl0759.grid.linkedin.com</value> </property> Appreciate any pointers. Venkat Failing Oozie Launcher, Main class [org.apache.falcon.latedata.LateDataHandler], main() threw exception, Unable to obtain remote token java.io.IOException: Unable to obtain remote token at org.apache.hadoop.hdfs.tools.DelegationTokenFetcher.getDTfromRemote(DelegationTokenFetcher.java:249) at org.apache.hadoop.hdfs.web.HftpFileSystem$2.run(HftpFileSystem.java:251) at org.apache.hadoop.hdfs.web.HftpFileSystem$2.run(HftpFileSystem.java:246) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1548) at org.apache.hadoop.hdfs.web.HftpFileSystem.getDelegationToken(HftpFileSystem.java:246) at org.apache.hadoop.hdfs.web.TokenAspect.ensureTokenInitialized(TokenAspect.java:143) at org.apache.hadoop.hdfs.web.HftpFileSystem.addDelegationTokenParam(HftpFileSystem.java:336) at org.apache.hadoop.hdfs.web.HftpFileSystem.openConnection(HftpFileSystem.java:323) at org.apache.hadoop.hdfs.web.HftpFileSystem$LsParser.fetchList(HftpFileSystem.java:455) at org.apache.hadoop.hdfs.web.HftpFileSystem$LsParser.getFileStatus(HftpFileSystem.java:470) at org.apache.hadoop.hdfs.web.HftpFileSystem.getFileStatus(HftpFileSystem.java:499) at org.apache.hadoop.fs.Globber.getFileStatus(Globber.java:57) at org.apache.hadoop.fs.Globber.glob(Globber.java:238) at org.apache.hadoop.fs.FileSystem.globStatus(FileSystem.java:1624) at org.apache.falcon.latedata.LateDataHandler.usage(LateDataHandler.java:269) at org.apache.falcon.latedata.LateDataHandler.getFileSystemUsageMetric(LateDataHandler.java:252) at org.apache.falcon.latedata.LateDataHandler.computeStorageMetric(LateDataHandler.java:224) at org.apache.falcon.latedata.LateDataHandler.computeMetrics(LateDataHandler.java:170) at org.apache.falcon.latedata.LateDataHandler.run(LateDataHandler.java:147) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70) at org.apache.falcon.latedata.LateDataHandler.main(LateDataHandler.java:60) 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:430) at org.apache.hadoop.mapred.MapTask.run(MapTask.java:342) at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:167) 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:1548) at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:162) Caused by: org.apache.hadoop.security.authentication.client.AuthenticationException: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt) at org.apache.hadoop.security.authentication.client.KerberosAuthenticator.doSpnegoSequence(KerberosAuthenticator.java:306) at org.apache.hadoop.security.authentication.client.KerberosAuthenticator.authenticate(KerberosAuthenticator.java:196) at org.apache.hadoop.security.authentication.client.AuthenticatedURL.openConnection(AuthenticatedURL.java:232) at org.apache.hadoop.hdfs.web.URLConnectionFactory.openConnection(URLConnectionFactory.java:164) at org.apache.hadoop.hdfs.tools.DelegationTokenFetcher.run(DelegationTokenFetcher.java:371) at org.apache.hadoop.hdfs.tools.DelegationTokenFetcher.getDTfromRemote(DelegationTokenFetcher.java:238) ... 35 more Caused by: GSSException: No valid credentials provided (Mechanism level: Failed to find any Kerberos tgt) at sun.security.jgss.krb5.Krb5InitCredential.getInstance(Krb5InitCredential.java:147) at sun.security.jgss.krb5.Krb5MechFactory.getCredentialElement(Krb5MechFactory.java:121) at sun.security.jgss.krb5.Krb5MechFactory.getMechanismContext(Krb5MechFactory.java:187) at sun.security.jgss.GSSManagerImpl.getMechanismContext(GSSManagerImpl.java:223) at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:212) at sun.security.jgss.GSSContextImpl.initSecContext(GSSContextImpl.java:179) at org.apache.hadoop.security.authentication.client.KerberosAuthenticator$1.run(KerberosAuthenticator.java:285) at org.apache.hadoop.security.authentication.client.KerberosAuthenticator$1.run(KerberosAuthenticator.java:261) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:415) at org.apache.hadoop.security.authentication.client.KerberosAuthenticator.doSpnegoSequence(KerberosAuthenticator.java:261) ... 40 more Oozie Launcher failed, finishing Hadoop job gracefully
