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Posted to issues@drill.apache.org by "Khurram Faraaz (JIRA)" <ji...@apache.org> on 2016/03/15 12:02:33 UTC
[jira] [Created] (DRILL-4511) refresh over empty folder results in
error, we need a better error message
Khurram Faraaz created DRILL-4511:
-------------------------------------
Summary: refresh over empty folder results in error, we need a better error message
Key: DRILL-4511
URL: https://issues.apache.org/jira/browse/DRILL-4511
Project: Apache Drill
Issue Type: Bug
Components: Storage - Parquet
Affects Versions: 1.7.0
Reporter: Khurram Faraaz
refresh table metadata <empty-folder> results in error on sqlline prompt. We need a better message on sqlline prompt, something like, "The folder is empty, and there is no metadata to refresh"
[root@centos-01 ~]# hadoop fs -ls /tmp
...
drwxr-xr-x - root root 0 2015-07-21 21:16 /tmp/complex
...
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0: jdbc:drill:schema=dfs.tmp> refresh table metadata complex;
+--------+--------------+
| ok | summary |
+--------+--------------+
| false | Error: null |
+--------+--------------+
1 row selected (0.131 seconds)
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Stack trace from drillbit.log
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2016-03-15 10:50:23,747 [2918170f-84ee-a6fb-38eb-266108bd64f3:foreman] INFO o.a.drill.exec.work.foreman.Foreman - Query text for query id 2918170f-84ee-a6fb-38eb-266108bd64f3: refresh table metadata complex
2016-03-15 10:50:23,790 [2918170f-84ee-a6fb-38eb-266108bd64f3:foreman] ERROR o.a.d.e.p.s.h.RefreshMetadataHandler - Failed to update metadata for table 'complex'
java.lang.NullPointerException: null
at org.apache.drill.exec.store.dfs.FileSelection.minusDirectories(FileSelection.java:153) ~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
at org.apache.drill.exec.store.dfs.WorkspaceSchemaFactory$WorkspaceSchema.create(WorkspaceSchemaFactory.java:594) ~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
at org.apache.drill.exec.store.dfs.WorkspaceSchemaFactory$WorkspaceSchema.create(WorkspaceSchemaFactory.java:370) ~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
at org.apache.drill.exec.planner.sql.ExpandingConcurrentMap.getNewEntry(ExpandingConcurrentMap.java:96) ~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
at org.apache.drill.exec.planner.sql.ExpandingConcurrentMap.get(ExpandingConcurrentMap.java:90) ~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
at org.apache.drill.exec.store.dfs.WorkspaceSchemaFactory$WorkspaceSchema.getTable(WorkspaceSchemaFactory.java:524) ~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
at org.apache.calcite.jdbc.SimpleCalciteSchema.getTable(SimpleCalciteSchema.java:82) ~[calcite-core-1.4.0-drill-r10.jar:1.4.0-drill-r10]
at org.apache.calcite.jdbc.CalciteAbstractSchema$SchemaPlusImpl.getTable(CalciteAbstractSchema.java:177) ~[calcite-core-1.4.0-drill-r10.jar:1.4.0-drill-r10]
at org.apache.drill.exec.planner.sql.handlers.RefreshMetadataHandler.getPlan(RefreshMetadataHandler.java:73) ~[drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
at org.apache.drill.exec.planner.sql.DrillSqlWorker.getPlan(DrillSqlWorker.java:94) [drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
at org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:927) [drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
at org.apache.drill.exec.work.foreman.Foreman.run(Foreman.java:251) [drill-java-exec-1.7.0-SNAPSHOT.jar:1.7.0-SNAPSHOT]
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [na:1.7.0_45]
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [na:1.7.0_45]
at java.lang.Thread.run(Thread.java:744) [na:1.7.0_45]
2016-03-15 10:50:23,801 [2918170f-84ee-a6fb-38eb-266108bd64f3:frag:0:0] INFO o.a.d.e.w.fragment.FragmentExecutor - 2918170f-84ee-a6fb-38eb-266108bd64f3:0:0: State change requested AWAITING_ALLOCATION --> RUNNING
2016-03-15 10:50:23,801 [2918170f-84ee-a6fb-38eb-266108bd64f3:frag:0:0] INFO o.a.d.e.w.f.FragmentStatusReporter - 2918170f-84ee-a6fb-38eb-266108bd64f3:0:0: State to report: RUNNING
2016-03-15 10:50:23,808 [2918170f-84ee-a6fb-38eb-266108bd64f3:frag:0:0] INFO o.a.d.e.w.fragment.FragmentExecutor - 2918170f-84ee-a6fb-38eb-266108bd64f3:0:0: State change requested RUNNING --> FINISHED
2016-03-15 10:50:23,808 [2918170f-84ee-a6fb-38eb-266108bd64f3:frag:0:0] INFO o.a.d.e.w.f.FragmentStatusReporter - 2918170f-84ee-a6fb-38eb-266108bd64f3:0:0: State to report: FINISHED
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