Heri Ramampiaro created ASTERIXDB-1653:
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Summary: NullPointerException in executing AQL
Key: ASTERIXDB-1653
URL: https://issues.apache.org/jira/browse/ASTERIXDB-1653
Project: Apache AsterixDB
Issue Type: Bug
Components: AsterixDB, Functions - AQL
Reporter: Heri Ramampiaro
Priority: Minor
If one tries to run an UDF having an open type as input, but still specify the
field which is open, one gets
"Internal error. Please check instance logs for further details.
[NullPointerException]".
For example:
create type FeatureType as open {
id: string,
outlook: string,
temperature: double,
humidity: double,
windy:string
}
works fine, but
create type FeatureType as open {
id: string,
outlook: string,
temperature: double,
humidity: double,
windy:string,
play:string?
}
would give the exception when using FeatureType as an input type to a UDF.
Inside the UDF, for the first case one should add the field "play" with its
value, while for the second case one should set the value of the field "play".
However, the opposite would give the above exception, which does not seem to
reflect the real problem.
The log gives the following:
"org.apache.hyracks.api.exceptions.HyracksDataException:
org.apache.hyracks.api.exceptions.HyracksDataException: 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:263)
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: java.util.concurrent.ExecutionException:
org.apache.hyracks.api.exceptions.HyracksDataException: 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: null
at
org.apache.hyracks.storage.am.common.dataflow.IndexSearchOperatorNodePushable.close(IndexSearchOperatorNodePushable.java:233)
at
org.apache.hyracks.algebricks.runtime.operators.std.EmptyTupleSourceRuntimeFactory$1.close(EmptyTupleSourceRuntimeFactory.java:60)
at
org.apache.hyracks.algebricks.runtime.operators.meta.AlgebricksMetaOperatorDescriptor$1.initialize(AlgebricksMetaOperatorDescriptor.java:116)
at
org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable.lambda$initialize$0(SuperActivityOperatorNodePushable.java:83)
at
org.apache.hyracks.api.rewriter.runtime.SuperActivityOperatorNodePushable$$Lambda$7/306984200.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.hyracks.algebricks.runtime.operators.base.AbstractOneInputOneOutputOneFramePushRuntime.flushAndReset(AbstractOneInputOneOutputOneFramePushRuntime.java:62)
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.AlgebricksMetaOperatorDescriptor$2.close(AlgebricksMetaOperatorDescriptor.java:153)
at
org.apache.hyracks.storage.am.common.dataflow.IndexSearchOperatorNodePushable.close(IndexSearchOperatorNodePushable.java:230)
... 10 more"
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