[HIVE-10505] LLAP: Empty PPD splits from Cache throw error

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: llap
• Assignee: Unassigned
• Reporter: Gopal Vijayaraghavan
• Created: 27/Apr/15 20:00
• Updated: 28/Apr/15 22:09
• Resolved: 28/Apr/15 22:09

Description

hive> select count(1) from store_sales where ss_sold_time_sk = 1;
...
Caused by: java.lang.NullPointerException
	at org.apache.hadoop.hive.ql.io.orc.EncodedTreeReaderFactory.createEncodedTreeReader(EncodedTreeReaderFactory.java:1764)
	at org.apache.hadoop.hive.llap.io.decode.OrcEncodedDataConsumer.decodeBatch(OrcEncodedDataConsumer.java:92)
	at org.apache.hadoop.hive.llap.io.decode.OrcEncodedDataConsumer.decodeBatch(OrcEncodedDataConsumer.java:39)
	at org.apache.hadoop.hive.llap.io.decode.EncodedDataConsumer.consumeData(EncodedDataConsumer.java:116)
	at org.apache.hadoop.hive.llap.io.decode.EncodedDataConsumer.consumeData(EncodedDataConsumer.java:36)
	at org.apache.hadoop.hive.ql.io.orc.EncodedReaderImpl.readEncodedColumns(EncodedReaderImpl.java:329)
	at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.callInternal(OrcEncodedDataReader.java:294)
	at org.apache.hadoop.hive.llap.io.encoded.OrcEncodedDataReader.callInternal(OrcEncodedDataReader.java:56)
	at org.apache.hadoop.hive.common.CallableWithNdc.call(CallableWithNdc.java:37)
	... 4 more

This was observed with the 10Tb scale data-set, because the PPD filtering can remove all row-groups from a given split.