[HIVE-18488] LLAP ORC readers are missing some null checks

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.0.0
• Assignee: Sergey Shelukhin
• Reporter: Deepesh Khandelwal
• Created: 18/Jan/18 19:39
• Updated: 22/May/18 23:16
• Resolved: 19/Jan/18 21:57

Description

All the uses of StructTreeReader fields in ORCs have null checks; these are missing in LLAP readers

Caused by: java.lang.NullPointerException
                at org.apache.hadoop.hive.ql.io.orc.encoded.EncodedTreeReaderFactory$StructStreamReader.setBuffers(EncodedTreeReaderFactory.java:2743)
                at org.apache.hadoop.hive.llap.io.decode.OrcEncodedDataConsumer.repositionInStreams(OrcEncodedDataConsumer.java:251)
                at org.apache.hadoop.hive.llap.io.decode.OrcEncodedDataConsumer.decodeBatch(OrcEncodedDataConsumer.java:138)
                at org.apache.hadoop.hive.llap.io.decode.OrcEncodedDataConsumer.decodeBatch(OrcEncodedDataConsumer.java:62)
                at org.apache.hadoop.hive.llap.io.decode.EncodedDataConsumer.consumeData(EncodedDataConsumer.java:81)
                at org.apache.hadoop.hive.llap.io.decode.EncodedDataConsumer.consumeData(EncodedDataConsumer.java:34)
                at org.apache.hadoop.hive.ql.io.orc.encoded.EncodedReaderImpl.readEncodedColumns(EncodedReaderImpl.java:482)
                at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.performDataRead(OrcEncodedDataReader.java:417)
                at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader$4.run(OrcEncodedDataReader.java:276)
                at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader$4.run(OrcEncodedDataReader.java:273)
                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:1965)
                at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.callInternal(OrcEncodedDataReader.java:273)
                at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.callInternal(OrcEncodedDataReader.java:110)
                ... 6 more