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Andrew Wang commented on HADOOP-13132: -------------------------------------- Wow, that is a pretty dirty trick for throwException. Thanks for digging in here Wei-Chiu. Patch looks fine overall, but do we really need those new LOG lines? The caller will very likely have appropriate logic to handle the IOException. > LoadBalancingKMSClientProvider ClassCastException on AuthenticationException > ---------------------------------------------------------------------------- > > Key: HADOOP-13132 > URL: https://issues.apache.org/jira/browse/HADOOP-13132 > Project: Hadoop Common > Issue Type: Bug > Components: kms > Reporter: Miklos Szurap > Assignee: Wei-Chiu Chuang > Attachments: HADOOP-13132.001.patch, HADOOP-13132.002.patch, > HADOOP-13132.003.patch > > > An Oozie job with a single shell action fails (may not be important, but if > you needs the exact details I can provide them) with an error message coming > from NodeManager: > {code} > 2016-05-10 11:10:14,290 ERROR > org.apache.hadoop.yarn.YarnUncaughtExceptionHandler: Thread > Thread[LogAggregationService #652,5,main] threw an Exception. > java.lang.ClassCastException: > org.apache.hadoop.security.authentication.client.AuthenticationException > cannot be cast to java.security.GeneralSecurityException > at > org.apache.hadoop.crypto.key.kms.LoadBalancingKMSClientProvider.decryptEncryptedKey(LoadBalancingKMSClientProvider.java:189) > at > org.apache.hadoop.crypto.key.KeyProviderCryptoExtension.decryptEncryptedKey(KeyProviderCryptoExtension.java:388) > at > org.apache.hadoop.hdfs.DFSClient.decryptEncryptedDataEncryptionKey(DFSClient.java:1419) > at > org.apache.hadoop.hdfs.DFSClient.createWrappedOutputStream(DFSClient.java:1521) > at org.apache.hadoop.fs.Hdfs.createInternal(Hdfs.java:108) > at org.apache.hadoop.fs.Hdfs.createInternal(Hdfs.java:59) > at org.apache.hadoop.fs.AbstractFileSystem.create(AbstractFileSystem.java:577) > at org.apache.hadoop.fs.FileContext$3.next(FileContext.java:683) > at org.apache.hadoop.fs.FileContext$3.next(FileContext.java:679) > at org.apache.hadoop.fs.FSLinkResolver.resolve(FSLinkResolver.java:90) > at org.apache.hadoop.fs.FileContext.create(FileContext.java:679) > at > org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter$1.run(AggregatedLogFormat.java:382) > at > org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter$1.run(AggregatedLogFormat.java:377) > at java.security.AccessController.doPrivileged(Native Method) > at javax.security.auth.Subject.doAs(Subject.java:422) > at > org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1671) > at > org.apache.hadoop.yarn.logaggregation.AggregatedLogFormat$LogWriter.<init>(AggregatedLogFormat.java:376) > at > org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.AppLogAggregatorImpl.uploadLogsForContainers(AppLogAggregatorImpl.java:246) > at > org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.AppLogAggregatorImpl.doAppLogAggregation(AppLogAggregatorImpl.java:456) > at > org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.AppLogAggregatorImpl.run(AppLogAggregatorImpl.java:421) > at > org.apache.hadoop.yarn.server.nodemanager.containermanager.logaggregation.LogAggregationService$2.run(LogAggregationService.java:384) > at > java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142) > at > java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617) > at java.lang.Thread.run(Thread.java:745) > {code} > The unsafe cast is here: > https://github.com/apache/hadoop/blob/2e1d0ff4e901b8313c8d71869735b94ed8bc40a0/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/crypto/key/kms/LoadBalancingKMSClientProvider.java#L189 > Because of this ClassCastException: > - an uncaught exception is raised > - we do not see the exact "caused by" exception/message > - the oozie job fails > - YARN logs are not reported/saved -- This message was sent by Atlassian JIRA (v6.3.4#6332) --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org