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Thejas M Nair commented on HIVE-8688: ------------------------------------- I found this issue while trying to find the cause of the failure. I am not sure if this fixes the following issue, because its hard to reproduce. {code} Error: java.lang.RuntimeException: org.apache.hive.com.esotericsoftware.kryo.KryoException: Buffer underflow. at org.apache.hadoop.hive.ql.exec.Utilities.getBaseWork(Utilities.java:422) at org.apache.hadoop.hive.ql.exec.Utilities.getMapWork(Utilities.java:285) at org.apache.hadoop.hive.ql.io.HiveInputFormat.init(HiveInputFormat.java:263) at org.apache.hadoop.hive.ql.io.HiveInputFormat.pushProjectionsAndFilters(HiveInputFormat.java:475) at org.apache.hadoop.hive.ql.io.HiveInputFormat.pushProjectionsAndFilters(HiveInputFormat.java:468) at org.apache.hadoop.hive.ql.io.CombineHiveInputFormat.getRecordReader(CombineHiveInputFormat.java:648) at org.apache.hadoop.mapred.MapTask$TrackedRecordReader.<init>(MapTask.java:169) at org.apache.hadoop.mapred.MapTask.runOldMapper(MapTask.java:429) 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:1614) at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158) Caused by: org.apache.hive.com.esotericsoftware.kryo.KryoException: Buffer underflow. at org.apache.hive.com.esotericsoftware.kryo.io.Input.require(Input.java:181) at org.apache.hive.com.esotericsoftware.kryo.io.Input.readVarInt(Input.java:355) at org.apache.hive.com.esotericsoftware.kryo.Kryo.readReferenceOrNull(Kryo.java:809) at org.apache.hive.com.esotericsoftware.kryo.Kryo.readObject(Kryo.java:670) at org.apache.hadoop.hive.ql.exec.Utilities.deserializeObjectByKryo(Utilities.java:1023) at org.apache.hadoop.hive.ql.exec.Utilities.deserializePlan(Utilities.java:931) at org.apache.hadoop.hive.ql.exec.Utilities.deserializePlan(Utilities.java:945) at org.apache.hadoop.hive.ql.exec.Utilities.getBaseWork(Utilities.java:389) ... 13 more {code} > serialized plan OutputStream is not being closed > ------------------------------------------------ > > Key: HIVE-8688 > URL: https://issues.apache.org/jira/browse/HIVE-8688 > Project: Hive > Issue Type: Bug > Reporter: Thejas M Nair > Assignee: Thejas M Nair > Priority: Critical > Fix For: 0.14.0 > > Attachments: HIVE-8688.1.patch > > > The OutputStream to which serialized plan is not being closed in several > places. > This can result in plan not getting written correctly. > I have seen intermittent issues in deserializing the plan, and I think this > could be the/a cause. -- This message was sent by Atlassian JIRA (v6.3.4#6332)