Swapan Shaw created FLINK-10264:
-----------------------------------
Summary: Exception is misleading when no default constructor
define for events
Key: FLINK-10264
URL: https://issues.apache.org/jira/browse/FLINK-10264
Project: Flink
Issue Type: Bug
Components: DataStream API
Reporter: Swapan Shaw
When I have not declare the default constructor in the RequestEvent then I got
the below exception which is misleading.
{code:java}
DataStream<RequestEvent> inputStream = env.addSource(...)
tEnv.registerDataStream(...);
{code}
{code:java}
Exception in thread "main" org.apache.flink.table.api.TableException: Only the
first field can reference an atomic type.
at
org.apache.flink.table.api.TableEnvironment$$anonfun$5.apply(TableEnvironment.scala:996)
at
org.apache.flink.table.api.TableEnvironment$$anonfun$5.apply(TableEnvironment.scala:991)
at
scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:241)
at
scala.collection.TraversableLike$$anonfun$flatMap$1.apply(TraversableLike.scala:241)
at
scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33)
at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186)
at scala.collection.TraversableLike$class.flatMap(TraversableLike.scala:241)
at scala.collection.mutable.ArrayOps$ofRef.flatMap(ArrayOps.scala:186)
at
org.apache.flink.table.api.TableEnvironment.getFieldInfo(TableEnvironment.scala:991)
at
org.apache.flink.table.api.StreamTableEnvironment.registerDataStreamInternal(StreamTableEnvironment.scala:546)
at
org.apache.flink.table.api.java.StreamTableEnvironment.registerDataStream(StreamTableEnvironment.scala:133)}}{code}
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