We are trying to abort one request from ambari-server with this command but it is not working it seems. Getting following exception in ambari-server: 11:28:25,579 WARN [Thread-20] ActionScheduler:189 - Exception received javax.persistence.RollbackException: Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.4.0.v20120608-r11652): org.eclipse.persistence.exceptions.DatabaseException Internal Exception: java.sql.BatchUpdateException: Batch entry 0 UPDATE request SET end_time = 1463135305576 WHERE (request_id = 433) was aborted. Call getNextException to see the cause. Error Code: 0 Call: UPDATE request SET end_time = ? WHERE (request_id = ?) bind => [2 parameters bound] at org.eclipse.persistence.internal.jpa.transaction.EntityTransactionImpl.commitInternal(EntityTransactionImpl.java:102) at org.eclipse.persistence.internal.jpa.transaction.EntityTransactionImpl.commit(EntityTransactionImpl.java:63) at org.apache.ambari.server.orm.AmbariJpaLocalTxnInterceptor.invoke(AmbariJpaLocalTxnInterceptor.java:91) at org.apache.ambari.server.actionmanager.ActionDBAccessorImpl.endRequest(ActionDBAccessorImpl.java:302) at org.apache.ambari.server.actionmanager.ActionDBAccessorImpl.abortOperation(ActionDBAccessorImpl.java:150) at org.apache.ambari.server.actionmanager.ActionScheduler.abortOperationsForStage(ActionScheduler.java:636) at org.apache.ambari.server.actionmanager.ActionScheduler.processCancelledRequestsList(ActionScheduler.java:829) at org.apache.ambari.server.actionmanager.ActionScheduler.doWork(ActionScheduler.java:203) at org.apache.ambari.server.actionmanager.ActionScheduler.run(ActionScheduler.java:184) at java.lang.Thread.run(Thread.java:745) Caused by: Exception [EclipseLink-4002] (Eclipse Persistence Services - 2.4.0.v20120608-r11652): org.eclipse.persistence.exceptions.DatabaseException Internal Exception: java.sql.BatchUpdateException: Batch entry 0 UPDATE request SET end_time = 1463135305576 WHERE (request_id = 433) was aborted. Call getNextException to see the cause. Error Code: 0 ... View more