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Posted to notifications@asterixdb.apache.org by "Yingyi Bu (JIRA)" <ji...@apache.org> on 2016/02/24 19:12:18 UTC
[jira] [Updated] (ASTERIXDB-1321) Malformed intermediate data for
queries with complex UDFs
[ https://issues.apache.org/jira/browse/ASTERIXDB-1321?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Yingyi Bu updated ASTERIXDB-1321:
---------------------------------
Component/s: Operators
> Malformed intermediate data for queries with complex UDFs
> ---------------------------------------------------------
>
> Key: ASTERIXDB-1321
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-1321
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: Operators
> Reporter: Yingyi Bu
> Assignee: Yingyi Bu
>
> DDL:
> {noformat}
> create dataset HRM_Raw(HRMType_Raw) primary key row_id;
> create type HRMType as closed {
> row_id: int32,
> sid: int32,
> date: date,
> day: int32,
> time: time,
> bpm: int32,
> RR: float
> };
> create dataset HRM(HRMType) primary key row_id;
> {noformat}
> Query 1:
> {noformat}
> declare function median($x)
> {
> let $c := count($x)
> return avg(
> for $i at $p in (for $j in $x order by $j return $j)
> where $p >= floor(($c-1)/2.0) and $p <= $c/2
> return $i
> )
> }
> declare function MAD($x)
> {
> median(for $j in $x order by abs($j-median($x)) return abs($j-median($x)))
> }
> for $i in dataset HRM
> group by $sid := $i.sid, $gdate := $i.date, $gday := $i.day,
> $timebin := interval-bin($i.time, time("00:00:00"), day-time-duration("PT1M")) with $i
> return
> {
> "sid": $sid,
> "gdate": $gdate,
> "gday": $gday,
> "timebin": $timebin,
> "stdv": (avg(for $ii in $i return $ii.RR * $ii.RR) -
> avg(for $ii in $i return $ii.RR) * avg(for $ii in $i return $ii.RR))^(0.5),
> "MAD": MAD(for $ii in $i return $ii.RR)
> }
> {noformat}
> Exception:
> {noformat}
> java.lang.Exception:
> at org.apache.asterix.test.aql.TestExecutor.executeTest(TestExecutor.java:754)
> at org.apache.asterix.test.runtime.ExecutionTest.test(ExecutionTest.java:105)
> 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:497)
> at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
> at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
> at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
> at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
> at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
> at org.junit.runners.Suite.runChild(Suite.java:127)
> at org.junit.runners.Suite.runChild(Suite.java:26)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
> at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
> at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
> at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
> Caused by: java.lang.Exception: HTTP operation failed: 99
> STATUS LINE: HTTP/1.1 500 Server Error
> SUMMARY: Job failed on account of:
> org.apache.hyracks.api.exceptions.HyracksDataException: java.util.concurrent.ExecutionException: org.apache.hyracks.api.exceptions.HyracksDataException: java.lang.NullPointerException
> caused by: org.apache.hyracks.control.cc.job.JobRun.waitForCompletion(JobRun.java:211)
> caused by: org.apache.hyracks.control.common.utils.ExceptionUtils.setNodeIds(ExceptionUtils.java:45)
> caused by: org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.runInParallel(SuperActivityOperatorNodePushable.java:218)
> caused by: java.util.concurrent.FutureTask.report(FutureTask.java:122)
> caused by: org.apache.hyracks.dataflow.std.sort.ExternalSortRunMerger.process(ExternalSortRunMerger.java:170)
> caused by: org.apache.asterix.runtime.evaluators.functions.AbstractNumericArithmeticEval$1$1.evaluate(AbstractNumericArithmeticEval.java:158)
> STACKTRACE: org.apache.hyracks.api.exceptions.HyracksException: Job failed on account of:
> org.apache.hyracks.api.exceptions.HyracksDataException: java.util.concurrent.ExecutionException: org.apache.hyracks.api.exceptions.HyracksDataException: java.lang.NullPointerException
> at org.apache.hyracks.control.cc.job.JobRun.waitForCompletion(JobRun.java:211)
> at org.apache.hyracks.control.cc.work.WaitForJobCompletionWork$1.run(WaitForJobCompletionWork.java:48)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.hyracks.api.exceptions.HyracksDataException: org.apache.hyracks.api.exceptions.HyracksDataException: java.util.concurrent.ExecutionException: org.apache.hyracks.api.exceptions.HyracksDataException: java.lang.NullPointerException
> at org.apache.hyracks.control.common.utils.ExceptionUtils.setNodeIds(ExceptionUtils.java:45)
> at org.apache.hyracks.control.nc.Task.run(Task.java:317)
> ... 3 more
> Caused by: org.apache.hyracks.api.exceptions.HyracksDataException: java.util.concurrent.ExecutionException: org.apache.hyracks.api.exceptions.HyracksDataException: java.lang.NullPointerException
> at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.runInParallel(SuperActivityOperatorNodePushable.java:218)
> at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.initialize(SuperActivityOperatorNodePushable.java:83)
> at org.apache.hyracks.control.nc.Task.run(Task.java:261)
> ... 3 more
> Caused by: java.util.concurrent.ExecutionException: org.apache.hyracks.api.exceptions.HyracksDataException: java.lang.NullPointerException
> at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> at java.util.concurrent.FutureTask.get(FutureTask.java:192)
> at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.runInParallel(SuperActivityOperatorNodePushable.java:212)
> ... 5 more
> Caused by: org.apache.hyracks.api.exceptions.HyracksDataException: java.lang.NullPointerException
> at org.apache.hyracks.dataflow.std.sort.ExternalSortRunMerger.process(ExternalSortRunMerger.java:170)
> at org.apache.hyracks.dataflow.std.sort.AbstractSorterOperatorDescriptor$MergeActivity$1.initialize(AbstractSorterOperatorDescriptor.java:194)
> at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.lambda$initialize$0(SuperActivityOperatorNodePushable.java:83)
> at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable$$Lambda$12/2058672736.runAction(Unknown Source)
> at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable$1.call(SuperActivityOperatorNodePushable.java:205)
> at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable$1.call(SuperActivityOperatorNodePushable.java:202)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> ... 3 more
> Caused by: java.lang.NullPointerException
> at org.apache.asterix.runtime.evaluators.functions.AbstractNumericArithmeticEval$1$1.evaluate(AbstractNumericArithmeticEval.java:158)
> at org.apache.asterix.runtime.evaluators.functions.NumericAbsDescriptor$2$1.evaluate(NumericAbsDescriptor.java:103)
> at org.apache.hyracks.algebricks.runtime.operators.std.AssignRuntimeFactory$1.produceTuple(AssignRuntimeFactory.java:157)
> at org.apache.hyracks.algebricks.runtime.operators.std.AssignRuntimeFactory$1.nextFrame(AssignRuntimeFactory.java:134)
> at org.apache.hyracks.dataflow.common.comm.io.AbstractFrameAppender.write(AbstractFrameAppender.java:93)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.flushAndReset(AbstractOneInputOneOutputOneFramePushRuntime.java:63)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.flushIfNotFailed(AbstractOneInputOneOutputOneFramePushRuntime.java:69)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.close(AbstractOneInputOneOutputOneFramePushRuntime.java:55)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.close(AbstractOneInputOneOutputOneFramePushRuntime.java:57)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.close(AbstractOneInputOneOutputOneFramePushRuntime.java:57)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.close(AbstractOneInputOneOutputOneFramePushRuntime.java:57)
> at org.apache.hyracks.algebricks.runtime.operators.meta.SubplanRuntimeFactory$1.nextFrame(SubplanRuntimeFactory.java:164)
> at org.apache.hyracks.dataflow.common.comm.io.AbstractFrameAppender.write(AbstractFrameAppender.java:93)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.flushAndReset(AbstractOneInputOneOutputOneFramePushRuntime.java:63)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.flushIfNotFailed(AbstractOneInputOneOutputOneFramePushRuntime.java:69)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.close(AbstractOneInputOneOutputOneFramePushRuntime.java:55)
> at org.apache.hyracks.algebricks.runtime.operators.meta.SubplanRuntimeFactory$1.nextFrame(SubplanRuntimeFactory.java:164)
> at org.apache.hyracks.algebricks.runtime.operators.meta.AlgebricksMetaOperatorDescriptor$2.nextFrame(AlgebricksMetaOperatorDescriptor.java:148)
> at org.apache.hyracks.dataflow.common.comm.io.AbstractFrameAppender.write(AbstractFrameAppender.java:93)
> at org.apache.hyracks.dataflow.common.comm.util.FrameUtils.appendSkipEmptyFieldToWriter(FrameUtils.java:68)
> at org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppenderWrapper.appendSkipEmptyField(FrameTupleAppenderWrapper.java:71)
> at org.apache.hyracks.dataflow.std.group.preclustered.PreclusteredGroupWriter.writeOutput(PreclusteredGroupWriter.java:146)
> at org.apache.hyracks.dataflow.std.group.preclustered.PreclusteredGroupWriter.switchGroupIfRequired(PreclusteredGroupWriter.java:122)
> at org.apache.hyracks.dataflow.std.group.preclustered.PreclusteredGroupWriter.nextFrame(PreclusteredGroupWriter.java:109)
> at org.apache.hyracks.dataflow.std.group.preclustered.PreclusteredGroupOperatorNodePushable.nextFrame(PreclusteredGroupOperatorNodePushable.java:64)
> at org.apache.hyracks.dataflow.common.comm.util.FrameUtils.flushFrame(FrameUtils.java:45)
> at org.apache.hyracks.dataflow.std.sort.ExternalSortRunMerger.merge(ExternalSortRunMerger.java:259)
> at org.apache.hyracks.dataflow.std.sort.ExternalSortRunMerger.process(ExternalSortRunMerger.java:163)
> ... 9 more
> at org.apache.asterix.test.aql.TestExecutor.executeHttpMethod(TestExecutor.java:244)
> at org.apache.asterix.test.aql.TestExecutor.executeQuery(TestExecutor.java:274)
> at org.apache.asterix.test.aql.TestExecutor.executeTest(TestExecutor.java:506)
> ... 34 more
> {noformat}
> Query 2:
> {noformat}
> declare function median($x)
> {
> let $c := count($x)
> return avg(
> for $i at $p in (for $j in $x order by $j return $j)
> where $p >= floor(($c-1)/2.0) and $p <= $c/2
> return $i
> )
> }
> declare function MAD($x)
> {
> let $m := median($x)
> return median(for $j in $x order by abs($j-$m)) return abs($j-$m))
> }
> for $i in dataset HRM
> group by $sid := $i.sid, $gdate := $i.date, $gday := $i.day,
> $timebin := interval-bin($i.time, time("00:00:00"), day-time-duration("PT1M")) with $i
> return
> {
> "sid": $sid,
> "gdate": $gdate,
> "gday": $gday,
> "timebin": $timebin,
> "stdv": (avg(for $ii in $i return $ii.RR * $ii.RR) -
> avg(for $ii in $i return $ii.RR) * avg(for $ii in $i return $ii.RR))^(0.5),
> "MAD": MAD(for $ii in $i return $ii.RR)
> }
> {noformat}
> Exception:
> {noformat}
> java.lang.Exception:
> at org.apache.asterix.test.aql.TestExecutor.executeTest(TestExecutor.java:754)
> at org.apache.asterix.test.runtime.ExecutionTest.test(ExecutionTest.java:105)
> 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:497)
> at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
> at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
> at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
> at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
> at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
> at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
> at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
> at org.junit.runners.Suite.runChild(Suite.java:127)
> at org.junit.runners.Suite.runChild(Suite.java:26)
> at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
> at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
> at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
> at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
> at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
> at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
> at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
> at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
> at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
> at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
> at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)
> Caused by: java.lang.Exception: HTTP operation failed: 99
> STATUS LINE: HTTP/1.1 500 Server Error
> SUMMARY: Job failed on account of:
> org.apache.hyracks.api.exceptions.HyracksDataException: java.util.concurrent.ExecutionException: org.apache.hyracks.api.exceptions.HyracksDataException: org.apache.hyracks.api.exceptions.HyracksDataException: org.apache.hyracks.algebricks.common.exceptions.AlgebricksException: org.apache.asterix.common.exceptions.AsterixException: Unsupported type: null
> caused by: org.apache.hyracks.control.cc.job.JobRun.waitForCompletion(JobRun.java:211)
> caused by: org.apache.hyracks.control.common.utils.ExceptionUtils.setNodeIds(ExceptionUtils.java:45)
> caused by: org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.runInParallel(SuperActivityOperatorNodePushable.java:218)
> caused by: java.util.concurrent.FutureTask.report(FutureTask.java:122)
> caused by: org.apache.hyracks.dataflow.std.sort.ExternalSortRunMerger.process(ExternalSortRunMerger.java:170)
> caused by: org.apache.hyracks.algebricks.runtime.operators.std.UnnestRuntimeFactory$1.nextFrame(UnnestRuntimeFactory.java:158)
> caused by: org.apache.asterix.runtime.unnestingfunctions.std.ScanCollectionDescriptor$ScanCollectionUnnestingFunctionFactory$1.init(ScanCollectionDescriptor.java:98)
> caused by: org.apache.asterix.runtime.evaluators.common.AsterixListAccessor.reset(AsterixListAccessor.java:60)
> STACKTRACE: org.apache.hyracks.api.exceptions.HyracksException: Job failed on account of:
> org.apache.hyracks.api.exceptions.HyracksDataException: java.util.concurrent.ExecutionException: org.apache.hyracks.api.exceptions.HyracksDataException: org.apache.hyracks.api.exceptions.HyracksDataException: org.apache.hyracks.algebricks.common.exceptions.AlgebricksException: org.apache.asterix.common.exceptions.AsterixException: Unsupported type: null
> at org.apache.hyracks.control.cc.job.JobRun.waitForCompletion(JobRun.java:211)
> at org.apache.hyracks.control.cc.work.WaitForJobCompletionWork$1.run(WaitForJobCompletionWork.java:48)
> at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
> at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
> at java.lang.Thread.run(Thread.java:745)
> Caused by: org.apache.hyracks.api.exceptions.HyracksDataException: org.apache.hyracks.api.exceptions.HyracksDataException: java.util.concurrent.ExecutionException: org.apache.hyracks.api.exceptions.HyracksDataException: org.apache.hyracks.api.exceptions.HyracksDataException: org.apache.hyracks.algebricks.common.exceptions.AlgebricksException: org.apache.asterix.common.exceptions.AsterixException: Unsupported type: null
> at org.apache.hyracks.control.common.utils.ExceptionUtils.setNodeIds(ExceptionUtils.java:45)
> at org.apache.hyracks.control.nc.Task.run(Task.java:317)
> ... 3 more
> Caused by: org.apache.hyracks.api.exceptions.HyracksDataException: java.util.concurrent.ExecutionException: org.apache.hyracks.api.exceptions.HyracksDataException: org.apache.hyracks.api.exceptions.HyracksDataException: org.apache.hyracks.algebricks.common.exceptions.AlgebricksException: org.apache.asterix.common.exceptions.AsterixException: Unsupported type: null
> at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.runInParallel(SuperActivityOperatorNodePushable.java:218)
> at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.initialize(SuperActivityOperatorNodePushable.java:83)
> at org.apache.hyracks.control.nc.Task.run(Task.java:261)
> ... 3 more
> Caused by: java.util.concurrent.ExecutionException: org.apache.hyracks.api.exceptions.HyracksDataException: org.apache.hyracks.api.exceptions.HyracksDataException: org.apache.hyracks.algebricks.common.exceptions.AlgebricksException: org.apache.asterix.common.exceptions.AsterixException: Unsupported type: null
> at java.util.concurrent.FutureTask.report(FutureTask.java:122)
> at java.util.concurrent.FutureTask.get(FutureTask.java:192)
> at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.runInParallel(SuperActivityOperatorNodePushable.java:212)
> ... 5 more
> Caused by: org.apache.hyracks.api.exceptions.HyracksDataException: org.apache.hyracks.api.exceptions.HyracksDataException: org.apache.hyracks.algebricks.common.exceptions.AlgebricksException: org.apache.asterix.common.exceptions.AsterixException: Unsupported type: null
> at org.apache.hyracks.dataflow.std.sort.ExternalSortRunMerger.process(ExternalSortRunMerger.java:170)
> at org.apache.hyracks.dataflow.std.sort.AbstractSorterOperatorDescriptor$MergeActivity$1.initialize(AbstractSorterOperatorDescriptor.java:194)
> at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.lambda$initialize$0(SuperActivityOperatorNodePushable.java:83)
> at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable$$Lambda$11/1893965042.runAction(Unknown Source)
> at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable$1.call(SuperActivityOperatorNodePushable.java:205)
> at org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable$1.call(SuperActivityOperatorNodePushable.java:202)
> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> ... 3 more
> Caused by: org.apache.hyracks.api.exceptions.HyracksDataException: org.apache.hyracks.algebricks.common.exceptions.AlgebricksException: org.apache.asterix.common.exceptions.AsterixException: Unsupported type: null
> at org.apache.hyracks.algebricks.runtime.operators.std.UnnestRuntimeFactory$1.nextFrame(UnnestRuntimeFactory.java:158)
> at org.apache.hyracks.dataflow.common.comm.io.AbstractFrameAppender.write(AbstractFrameAppender.java:93)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.flushAndReset(AbstractOneInputOneOutputOneFramePushRuntime.java:63)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.flushIfNotFailed(AbstractOneInputOneOutputOneFramePushRuntime.java:69)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.close(AbstractOneInputOneOutputOneFramePushRuntime.java:55)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.close(AbstractOneInputOneOutputOneFramePushRuntime.java:57)
> at org.apache.hyracks.algebricks.runtime.operators.meta.SubplanRuntimeFactory$1.nextFrame(SubplanRuntimeFactory.java:164)
> at org.apache.hyracks.dataflow.common.comm.io.AbstractFrameAppender.write(AbstractFrameAppender.java:93)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.flushAndReset(AbstractOneInputOneOutputOneFramePushRuntime.java:63)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.flushIfNotFailed(AbstractOneInputOneOutputOneFramePushRuntime.java:69)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.close(AbstractOneInputOneOutputOneFramePushRuntime.java:55)
> at org.apache.hyracks.algebricks.runtime.operators.meta.SubplanRuntimeFactory$1.nextFrame(SubplanRuntimeFactory.java:164)
> at org.apache.hyracks.dataflow.common.comm.io.AbstractFrameAppender.write(AbstractFrameAppender.java:93)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.flushAndReset(AbstractOneInputOneOutputOneFramePushRuntime.java:63)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.flushIfNotFailed(AbstractOneInputOneOutputOneFramePushRuntime.java:69)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.close(AbstractOneInputOneOutputOneFramePushRuntime.java:55)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.close(AbstractOneInputOneOutputOneFramePushRuntime.java:57)
> at org.apache.hyracks.algebricks.runtime.operators.meta.SubplanRuntimeFactory$1.nextFrame(SubplanRuntimeFactory.java:164)
> at org.apache.hyracks.dataflow.common.comm.io.AbstractFrameAppender.write(AbstractFrameAppender.java:93)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.flushAndReset(AbstractOneInputOneOutputOneFramePushRuntime.java:63)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.flushIfNotFailed(AbstractOneInputOneOutputOneFramePushRuntime.java:69)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.close(AbstractOneInputOneOutputOneFramePushRuntime.java:55)
> at org.apache.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.close(AbstractOneInputOneOutputOneFramePushRuntime.java:57)
> at org.apache.hyracks.algebricks.runtime.operators.meta.SubplanRuntimeFactory$1.nextFrame(SubplanRuntimeFactory.java:164)
> at org.apache.hyracks.algebricks.runtime.operators.meta.AlgebricksMetaOperatorDescriptor$2.nextFrame(AlgebricksMetaOperatorDescriptor.java:148)
> at org.apache.hyracks.dataflow.common.comm.io.AbstractFrameAppender.write(AbstractFrameAppender.java:93)
> at org.apache.hyracks.dataflow.common.comm.util.FrameUtils.appendSkipEmptyFieldToWriter(FrameUtils.java:68)
> at org.apache.hyracks.dataflow.common.comm.io.FrameTupleAppenderWrapper.appendSkipEmptyField(FrameTupleAppenderWrapper.java:71)
> at org.apache.hyracks.dataflow.std.group.preclustered.PreclusteredGroupWriter.writeOutput(PreclusteredGroupWriter.java:146)
> at org.apache.hyracks.dataflow.std.group.preclustered.PreclusteredGroupWriter.switchGroupIfRequired(PreclusteredGroupWriter.java:122)
> at org.apache.hyracks.dataflow.std.group.preclustered.PreclusteredGroupWriter.nextFrame(PreclusteredGroupWriter.java:109)
> at org.apache.hyracks.dataflow.std.group.preclustered.PreclusteredGroupOperatorNodePushable.nextFrame(PreclusteredGroupOperatorNodePushable.java:64)
> at org.apache.hyracks.dataflow.common.comm.util.FrameUtils.flushFrame(FrameUtils.java:45)
> at org.apache.hyracks.dataflow.std.sort.ExternalSortRunMerger.merge(ExternalSortRunMerger.java:259)
> at org.apache.hyracks.dataflow.std.sort.ExternalSortRunMerger.process(ExternalSortRunMerger.java:163)
> ... 9 more
> Caused by: org.apache.hyracks.algebricks.common.exceptions.AlgebricksException: org.apache.asterix.common.exceptions.AsterixException: Unsupported type: null
> at org.apache.asterix.runtime.unnestingfunctions.std.ScanCollectionDescriptor$ScanCollectionUnnestingFunctionFactory$1.init(ScanCollectionDescriptor.java:98)
> at org.apache.hyracks.algebricks.runtime.operators.std.UnnestRuntimeFactory$1.nextFrame(UnnestRuntimeFactory.java:121)
> ... 43 more
> Caused by: org.apache.asterix.common.exceptions.AsterixException: Unsupported type: null
> at org.apache.asterix.runtime.evaluators.common.AsterixListAccessor.reset(AsterixListAccessor.java:60)
> at org.apache.asterix.runtime.unnestingfunctions.std.ScanCollectionDescriptor$ScanCollectionUnnestingFunctionFactory$1.init(ScanCollectionDescriptor.java:95)
> ... 44 more
> at org.apache.asterix.test.aql.TestExecutor.executeHttpMethod(TestExecutor.java:244)
> at org.apache.asterix.test.aql.TestExecutor.executeQuery(TestExecutor.java:274)
> at org.apache.asterix.test.aql.TestExecutor.executeTest(TestExecutor.java:506)
> ... 34 more
> {noformat}
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