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  1. Apache Drill
  2. DRILL-7919

NullReferenceException when reading optional Decimal(29,6) column from parquet

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      When trying to read the column "RegHrs" from the attached parquet file, the following exception is thrown:

      2021-05-05 10:19:57,717 [qtp1340625046-100] ERROR o.a.d.e.server.rest.QueryResources - Query from Web UI Failed: {}
      org.apache.drill.common.exceptions.UserRemoteException: INTERNAL_ERROR ERROR: nullFragment: 0:0Please, refer to logs for more information.[Error Id: abe692c3-29a7-4a99-81ea-2c166538396b on 31c193952dc7:31010]
      	at org.apache.drill.exec.server.rest.RestQueryRunner.submitQuery(RestQueryRunner.java:181)
      	at org.apache.drill.exec.server.rest.RestQueryRunner.run(RestQueryRunner.java:70)
      	at org.apache.drill.exec.server.rest.QueryResources.submitQueryJSON(QueryResources.java:96)
      	at org.apache.drill.exec.server.rest.QueryResources.submitQuery(QueryResources.java:114)
      	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
      	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      	at java.lang.reflect.Method.invoke(Method.java:498)
      	at org.glassfish.jersey.server.model.internal.ResourceMethodInvocationHandlerFactory$1.invoke(ResourceMethodInvocationHandlerFactory.java:81)
      	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher$1.run(AbstractJavaResourceMethodDispatcher.java:144)
      	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.invoke(AbstractJavaResourceMethodDispatcher.java:161)
      	at org.glassfish.jersey.server.model.internal.JavaResourceMethodDispatcherProvider$TypeOutInvoker.doDispatch(JavaResourceMethodDispatcherProvider.java:205)
      	at org.glassfish.jersey.server.model.internal.AbstractJavaResourceMethodDispatcher.dispatch(AbstractJavaResourceMethodDispatcher.java:99)
      	at org.glassfish.jersey.server.model.ResourceMethodInvoker.invoke(ResourceMethodInvoker.java:389)
      	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:347)
      	at org.glassfish.jersey.server.model.ResourceMethodInvoker.apply(ResourceMethodInvoker.java:102)
      	at org.glassfish.jersey.server.ServerRuntime$2.run(ServerRuntime.java:326)
      	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:271)
      	at org.glassfish.jersey.internal.Errors$1.call(Errors.java:267)
      	at org.glassfish.jersey.internal.Errors.process(Errors.java:315)
      	at org.glassfish.jersey.internal.Errors.process(Errors.java:297)
      	at org.glassfish.jersey.internal.Errors.process(Errors.java:267)
      	at org.glassfish.jersey.process.internal.RequestScope.runInScope(RequestScope.java:317)
      	at org.glassfish.jersey.server.ServerRuntime.process(ServerRuntime.java:305)
      	at org.glassfish.jersey.server.ApplicationHandler.handle(ApplicationHandler.java:1154)
      	at org.glassfish.jersey.servlet.WebComponent.serviceImpl(WebComponent.java:473)
      	at org.glassfish.jersey.servlet.WebComponent.service(WebComponent.java:427)
      	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:388)
      	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:341)
      	at org.glassfish.jersey.servlet.ServletContainer.service(ServletContainer.java:228)
      	at org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:848)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1780)
      	at org.apache.drill.exec.server.rest.header.ResponseHeadersSettingFilter.doFilter(ResponseHeadersSettingFilter.java:71)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767)
      	at org.apache.drill.exec.server.rest.CsrfTokenValidateFilter.doFilter(CsrfTokenValidateFilter.java:55)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767)
      	at org.apache.drill.exec.server.rest.CsrfTokenInjectFilter.doFilter(CsrfTokenInjectFilter.java:54)
      	at org.eclipse.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1767)
      	at org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:583)
      	at org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:224)
      	at org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1180)
      	at org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:513)
      	at org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:185)
      	at org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1112)
      	at org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
      	at org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:134)
      	at org.eclipse.jetty.server.Server.handle(Server.java:539)
      	at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:333)
      	at org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:251)
      	at org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:283)
      	at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:108)
      	at org.eclipse.jetty.io.SelectChannelEndPoint$2.run(SelectChannelEndPoint.java:93)
      	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.executeProduceConsume(ExecuteProduceConsume.java:303)
      	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.produceConsume(ExecuteProduceConsume.java:148)
      	at org.eclipse.jetty.util.thread.strategy.ExecuteProduceConsume.run(ExecuteProduceConsume.java:136)
      	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:671)
      	at org.eclipse.jetty.util.thread.QueuedThreadPool$2.run(QueuedThreadPool.java:589)
      	at java.lang.Thread.run(Thread.java:748)
      Caused by: java.lang.NullPointerException: 
      	at org.apache.drill.exec.store.parquet.columnreaders.ParquetRecordReader.next(ParquetRecordReader.java:234)
      	at org.apache.drill.exec.physical.impl.ScanBatch.internalNext(ScanBatch.java:234)
      	at org.apache.drill.exec.physical.impl.ScanBatch.next(ScanBatch.java:298)
      	at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
      	at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:111)
      	at org.apache.drill.exec.record.AbstractUnaryRecordBatch.innerNext(AbstractUnaryRecordBatch.java:59)
      	at org.apache.drill.exec.physical.impl.limit.LimitRecordBatch.innerNext(LimitRecordBatch.java:93)
      	at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:170)
      	at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
      	at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:111)
      	at org.apache.drill.exec.record.AbstractUnaryRecordBatch.innerNext(AbstractUnaryRecordBatch.java:59)
      	at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:170)
      	at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:119)
      	at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:111)
      	at org.apache.drill.exec.record.AbstractUnaryRecordBatch.innerNext(AbstractUnaryRecordBatch.java:59)
      	at org.apache.drill.exec.physical.impl.project.ProjectRecordBatch.innerNext(ProjectRecordBatch.java:85)
      	at org.apache.drill.exec.record.AbstractRecordBatch.next(AbstractRecordBatch.java:170)
      	at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:103)
      	at org.apache.drill.exec.physical.impl.ScreenCreator$ScreenRoot.innerNext(ScreenCreator.java:81)
      	at org.apache.drill.exec.physical.impl.BaseRootExec.next(BaseRootExec.java:93)
      	at org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:323)
      	at org.apache.drill.exec.work.fragment.FragmentExecutor$1.run(FragmentExecutor.java:310)
      	at .......(:0)
      	at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1730)
      	at org.apache.drill.exec.work.fragment.FragmentExecutor.run(FragmentExecutor.java:310)
      	at org.apache.drill.common.SelfCleaningRunnable.run(SelfCleaningRunnable.java:38)
      	at .......(:0)

      However if we leave out the column we can query the table.

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        1. latest.parquet
          0.8 kB
          Nick Stenroos-Dam

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            • Assignee:
              volodymyr Vova Vysotskyi
              Reporter:
              Nisd Nick Stenroos-Dam
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              Dates

              • Created:
                Updated:
                Resolved: