[ https://issues.apache.org/jira/browse/DRILL-4517?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Pritesh Maker reassigned DRILL-4517: ------------------------------------ Assignee: salim achouche > Reading emtpy Parquet file failes with java.lang.IllegalArgumentException > ------------------------------------------------------------------------- > > Key: DRILL-4517 > URL: https://issues.apache.org/jira/browse/DRILL-4517 > Project: Apache Drill > Issue Type: Bug > Components: Server > Reporter: Tobias > Assignee: salim achouche > Priority: Major > Attachments: empty.parquet, no_rows.parquet > > > When querying a Parquet file that has a schema but no rows the Drill Server > will fail with the below > This looks similar to DRILL-3557 > {noformat} > {{ParquetMetaData{FileMetaData{schema: message TRANSACTION_REPORT { > required int64 MEMBER_ACCOUNT_ID; > required int64 TIMESTAMP_IN_HOUR; > optional int64 APPLICATION_ID; > } > , metadata: {}}}, blocks: []} > {noformat} > {noformat} > Caused by: java.lang.IllegalArgumentException: MinorFragmentId 0 has no read > entries assigned > at > com.google.common.base.Preconditions.checkArgument(Preconditions.java:92) > ~[guava-14.0.1.jar:na] > at > org.apache.drill.exec.store.parquet.ParquetGroupScan.getSpecificScan(ParquetGroupScan.java:707) > ~[drill-java-exec-1.5.0.jar:1.5.0] > at > org.apache.drill.exec.store.parquet.ParquetGroupScan.getSpecificScan(ParquetGroupScan.java:105) > ~[drill-java-exec-1.5.0.jar:1.5.0] > at > org.apache.drill.exec.planner.fragment.Materializer.visitGroupScan(Materializer.java:68) > ~[drill-java-exec-1.5.0.jar:1.5.0] > at > org.apache.drill.exec.planner.fragment.Materializer.visitGroupScan(Materializer.java:35) > ~[drill-java-exec-1.5.0.jar:1.5.0] > at > org.apache.drill.exec.physical.base.AbstractGroupScan.accept(AbstractGroupScan.java:60) > ~[drill-java-exec-1.5.0.jar:1.5.0] > at > org.apache.drill.exec.planner.fragment.Materializer.visitOp(Materializer.java:102) > ~[drill-java-exec-1.5.0.jar:1.5.0] > at > org.apache.drill.exec.planner.fragment.Materializer.visitOp(Materializer.java:35) > ~[drill-java-exec-1.5.0.jar:1.5.0] > at > org.apache.drill.exec.physical.base.AbstractPhysicalVisitor.visitProject(AbstractPhysicalVisitor.java:77) > ~[drill-java-exec-1.5.0.jar:1.5.0] > at > org.apache.drill.exec.physical.config.Project.accept(Project.java:51) > ~[drill-java-exec-1.5.0.jar:1.5.0] > at > org.apache.drill.exec.planner.fragment.Materializer.visitStore(Materializer.java:82) > ~[drill-java-exec-1.5.0.jar:1.5.0] > at > org.apache.drill.exec.planner.fragment.Materializer.visitStore(Materializer.java:35) > ~[drill-java-exec-1.5.0.jar:1.5.0] > at > org.apache.drill.exec.physical.base.AbstractPhysicalVisitor.visitScreen(AbstractPhysicalVisitor.java:195) > ~[drill-java-exec-1.5.0.jar:1.5.0] > at > org.apache.drill.exec.physical.config.Screen.accept(Screen.java:97) > ~[drill-java-exec-1.5.0.jar:1.5.0] > at > org.apache.drill.exec.planner.fragment.SimpleParallelizer.generateWorkUnit(SimpleParallelizer.java:355) > ~[drill-java-exec-1.5.0.jar:1.5.0] > at > org.apache.drill.exec.planner.fragment.SimpleParallelizer.getFragments(SimpleParallelizer.java:134) > ~[drill-java-exec-1.5.0.jar:1.5.0] > at > org.apache.drill.exec.work.foreman.Foreman.getQueryWorkUnit(Foreman.java:518) > [drill-java-exec-1.5.0.jar:1.5.0] > at > org.apache.drill.exec.work.foreman.Foreman.runPhysicalPlan(Foreman.java:405) > [drill-java-exec-1.5.0.jar:1.5.0] > at > org.apache.drill.exec.work.foreman.Foreman.runSQL(Foreman.java:926) > [drill-java-exec-1.5.0.jar:1.5.0] > {noformat} -- This message was sent by Atlassian JIRA (v7.6.3#76005)