[BEAM-9698] BeamUncollectRel UncollectDoFn NullPointerException

• Type: Bug
• Status: Open
• Priority: P3
• Resolution: Unresolved
• Component/s: dsl-sql-zetasql
• Labels: zetasql-compliance
• Assignee: Unassigned
• Reporter: Andrew Pilloud
• Created: 04/Apr/20 00:37
• Updated: 04/Jun/22 16:33

Description

two failures in shard 19

org.apache.beam.sdk.Pipeline$PipelineExecutionException: java.lang.NullPointerException
	at org.apache.beam.runners.direct.DirectRunner$DirectPipelineResult.waitUntilFinish(DirectRunner.java:348)
	at org.apache.beam.runners.direct.DirectRunner$DirectPipelineResult.waitUntilFinish(DirectRunner.java:318)
	at org.apache.beam.runners.direct.DirectRunner.run(DirectRunner.java:213)
	at org.apache.beam.runners.direct.DirectRunner.run(DirectRunner.java:67)
	at org.apache.beam.sdk.Pipeline.run(Pipeline.java:317)
	at org.apache.beam.sdk.Pipeline.run(Pipeline.java:303)
	at org.apache.beam.sdk.extensions.sql.impl.rel.BeamEnumerableConverter.runCollector(BeamEnumerableConverter.java:201)
	at org.apache.beam.sdk.extensions.sql.impl.rel.BeamEnumerableConverter.collectRows(BeamEnumerableConverter.java:218)
	at org.apache.beam.sdk.extensions.sql.impl.rel.BeamEnumerableConverter.toRowList(BeamEnumerableConverter.java:150)
	at org.apache.beam.sdk.extensions.sql.impl.rel.BeamEnumerableConverter.toRowList(BeamEnumerableConverter.java:127)
	at cloud.dataflow.sql.ExecuteQueryServiceServer$SqlComplianceServiceImpl.executeQuery(ExecuteQueryServiceServer.java:329)
	at com.google.zetasql.testing.SqlComplianceServiceGrpc$MethodHandlers.invoke(SqlComplianceServiceGrpc.java:423)
	at com.google.zetasql.io.grpc.stub.ServerCalls$UnaryServerCallHandler$UnaryServerCallListener.onHalfClose(ServerCalls.java:171)
	at com.google.zetasql.io.grpc.internal.ServerCallImpl$ServerStreamListenerImpl.halfClosed(ServerCallImpl.java:283)
	at com.google.zetasql.io.grpc.internal.ServerImpl$JumpToApplicationThreadServerStreamListener$1HalfClosed.runInContext(ServerImpl.java:711)
	at com.google.zetasql.io.grpc.internal.ContextRunnable.run(ContextRunnable.java:37)
	at com.google.zetasql.io.grpc.internal.SerializingExecutor.run(SerializingExecutor.java:123)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
	at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.NullPointerException
	at org.apache.beam.sdk.extensions.sql.impl.rel.BeamUncollectRel$UncollectDoFn.process(BeamUncollectRel.java:103)

Apr 01, 2020 5:58:27 PM cloud.dataflow.sql.ExecuteQueryServiceServer$SqlComplianceServiceImpl executeQuery
INFO: Processing Sql statement: SELECT e FROM UNNEST(CAST(NULL AS ARRAY<INT64>)) e
Apr 01, 2020 5:58:27 PM cloud.dataflow.sql.ExecuteQueryServiceServer$SqlComplianceServiceImpl executeQuery
INFO: Processing Sql statement: SELECT e FROM UNNEST(CAST(NULL AS ARRAY<STRUCT<INT64>>)) e

Issue Links

• links to: GitHub Pull Request #11742