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Steven Phillips commented on DRILL-2765: ---------------------------------------- I can't make a patch because I don't have a fix. But whatever was causing the problem it is fixed now. I just verified with latest master: {code} 0: jdbc:drill:> select * from dfs.tmp.nulls; +------------+------------+ | date | url | +------------+------------+ | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | | 14 april 2015 | null | +------------+------------+ 23 rows selected (0.599 seconds) 0: jdbc:drill:> select * from sys.version; +------------+----------------+-------------+-------------+------------+ | commit_id | commit_message | commit_time | build_email | build_time | +------------+----------------+-------------+-------------+------------+ | cb47df0c87676c5e0c0f94e5346fcd28f73080d7 | DRILL-2798 - don't print message about Drill log dir unless environment variable DRILL_LOG_DEBUG=1 | 15.04.2015 @ 14:08:46 PDT | s...@apache.org | 16.04.2015 @ 00:48:52 PDT | {code} What is the git commit id you are building from? Can you include the error message and stack trace from drillbit.log? > Throwing a NPE on exceuting query against parquet files > -------------------------------------------------------- > > Key: DRILL-2765 > URL: https://issues.apache.org/jira/browse/DRILL-2765 > Project: Apache Drill > Issue Type: Sub-task > Components: Storage - Parquet > Affects Versions: 0.8.0 > Reporter: Mohsen Zainalpour > Assignee: Steven Phillips > Fix For: 1.0.0 > > Attachments: url_column_completely_null.parquet, > url_column_onetime_value.parquet > > > Executing a query on a parquet file that one of it`s columns haven`t any > value at all(but field exists in the schema) thorws a NPE -- This message was sent by Atlassian JIRA (v6.3.4#6332)