[jira] [Created] (SPARK-20714) Fix match error when watermark is set with timeout = no timeout / processing timeout

["Tathagata Das (JIRA)" <ji...@apache.org>]

Tathagata Das created SPARK-20714:
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             Summary: Fix match error when watermark is set with timeout = no timeout / processing timeout
                 Key: SPARK-20714
                 URL: https://issues.apache.org/jira/browse/SPARK-20714
             Project: Spark
          Issue Type: Sub-task
          Components: Structured Streaming
    Affects Versions: 2.2.0
            Reporter: Tathagata Das
            Assignee: Tathagata Das


When watermark is set, and timeout conf is NoTimeout or ProcessingTimeTimeout (both do not need the watermark), the query fails at runtime with the following exception.


{code}
MatchException: Some(org.apache.spark.sql.catalyst.expressions.GeneratedClass$SpecificPredicate@1a9b798e) (of class scala.Some)
    org.apache.spark.sql.execution.streaming.FlatMapGroupsWithStateExec$$anonfun$doExecute$1.apply(FlatMapGroupsWithStateExec.scala:120)
    org.apache.spark.sql.execution.streaming.FlatMapGroupsWithStateExec$$anonfun$doExecute$1.apply(FlatMapGroupsWithStateExec.scala:116)
    org.apache.spark.sql.execution.streaming.state.package$StateStoreOps$$anonfun$1.apply(package.scala:70)
    org.apache.spark.sql.execution.streaming.state.package$StateStoreOps$$anonfun$1.apply(package.scala:65)
    org.apache.spark.sql.execution.streaming.state.StateStoreRDD.compute(StateStoreRDD.scala:64)
{code}



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