[
https://issues.apache.org/jira/browse/KYLIN-4451?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
wangrupeng resolved KYLIN-4451.
-------------------------------
Resolution: Fixed
> ClassCastException when querying on cluster with binary package
> ---------------------------------------------------------------
>
> Key: KYLIN-4451
> URL: https://issues.apache.org/jira/browse/KYLIN-4451
> Project: Kylin
> Issue Type: Bug
> Components: Query Engine, Storage - Parquet
> Reporter: xuekaiqi
> Assignee: wangrupeng
> Priority: Major
> Fix For: v4.0.0-beta
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> {code:java}
> SELECT seller_id, COUNT(1)
> FROM kylin_sales
> GROUP BY seller_id;
> {code}
> kylin.output
> {code:java}
> Caused by: java.lang.ClassCastException: cannot assign instance of
> scala.collection.immutable.List$SerializationProxy to field
> org.apache.spark.sql.execution.aggregate.HashAggregateExec.aggregateExpressions
> of type scala.collection.Seq in instance of
> org.apache.spark.sql.execution.aggregate.HashAggregateExec
> at
> java.io.ObjectStreamClass$FieldReflector.setObjFieldValues(ObjectStreamClass.java:2233)
> at
> java.io.ObjectStreamClass.setObjFieldValues(ObjectStreamClass.java:1405)
> at
> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2291)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2209)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2067)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1571)
> at java.io.ObjectInputStream.readArray(ObjectInputStream.java:1973)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1565)
> at
> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2285)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2209)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2067)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1571)
> at
> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2285)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2209)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2067)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1571)
> at
> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2285)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2209)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2067)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1571)
> at
> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2285)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2209)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2067)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1571)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:431)
> at
> scala.collection.immutable.List$SerializationProxy.readObject(List.scala:490)
> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
> at
> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
> at
> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
> at java.lang.reflect.Method.invoke(Method.java:498)
> at
> java.io.ObjectStreamClass.invokeReadObject(ObjectStreamClass.java:1158)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2176)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2067)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1571)
> at
> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2285)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2209)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2067)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1571)
> at
> java.io.ObjectInputStream.defaultReadFields(ObjectInputStream.java:2285)
> at java.io.ObjectInputStream.readSerialData(ObjectInputStream.java:2209)
> at
> java.io.ObjectInputStream.readOrdinaryObject(ObjectInputStream.java:2067)
> at java.io.ObjectInputStream.readObject0(ObjectInputStream.java:1571)
> at java.io.ObjectInputStream.readObject(ObjectInputStream.java:431)
> at
> org.apache.spark.serializer.JavaDeserializationStream.readObject(JavaSerializer.scala:75)
> at
> org.apache.spark.serializer.JavaSerializerInstance.deserialize(JavaSerializer.scala:114)
> at
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:88)
> at
> org.apache.spark.scheduler.ShuffleMapTask.runTask(ShuffleMapTask.scala:55)
> at org.apache.spark.scheduler.Task.run(Task.scala:121)
> at
> org.apache.spark.executor.Executor$TaskRunner$$anonfun$10.apply(Executor.scala:402)
> at org.apache.spark.util.Utils$.tryWithSafeFinally(Utils.scala:1363)
> at org.apache.spark.executor.Executor$TaskRunner.run(Executor.scala:408)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> ... 1 more
> {code}
> Now there's a workaround to copy kylin-spark-common-4.0.0-SNAPSHOT.jar from
> $KYLIN_HOME/tomcat/webapp/kylin/WEB-INF/lib to $SPARK_HOME/jars
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