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https://issues.apache.org/jira/browse/FLINK-9399?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16480822#comment-16480822
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Timo Walther commented on FLINK-9399:
-------------------------------------
This is related to a couple of wrong type extraction checks. I fixed it
[here|https://github.com/apache/flink/pull/5097] already. I will fix this issue
as well.
> TPCHQuery3 example fails due to Serialization issues
> ----------------------------------------------------
>
> Key: FLINK-9399
> URL: https://issues.apache.org/jira/browse/FLINK-9399
> Project: Flink
> Issue Type: Bug
> Components: Examples
> Affects Versions: 1.5.0
> Reporter: Gary Yao
> Assignee: Timo Walther
> Priority: Major
>
> Running {{org.apache.flink.examples.java.relational.TPCHQuery3}} fails
> because the static class {{ShippingPriorityItem}} has private visibility, and
> hence cannot be serialized.
> *Stacktrace*
> {noformat}
> Exception in thread "main"
> org.apache.flink.runtime.client.JobExecutionException: java.lang.Exception:
> The data preparation for task 'CHAIN Join (Join at main(TPCHQuery3.java:155))
> -> Combine (SUM(1), at main(TPCHQuery3.java:165)' , caused an error: Cannot
> instantiate tuple.
> at
> org.apache.flink.runtime.minicluster.MiniCluster.executeJobBlocking(MiniCluster.java:625)
> at
> org.apache.flink.client.LocalExecutor.executePlan(LocalExecutor.java:234)
> at
> org.apache.flink.api.java.LocalEnvironment.execute(LocalEnvironment.java:91)
> at
> org.apache.flink.api.java.ExecutionEnvironment.execute(ExecutionEnvironment.java:816)
> at org.apache.flink.api.java.DataSet.collect(DataSet.java:413)
> at org.apache.flink.api.java.DataSet.print(DataSet.java:1652)
> at
> org.apache.flink.examples.java.relational.TPCHQuery3.main(TPCHQuery3.java:174)
> Caused by: java.lang.Exception: The data preparation for task 'CHAIN Join
> (Join at main(TPCHQuery3.java:155)) -> Combine (SUM(1), at
> main(TPCHQuery3.java:165)' , caused an error: Cannot instantiate tuple.
> at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:479)
> at
> org.apache.flink.runtime.operators.BatchTask.invoke(BatchTask.java:368)
> at org.apache.flink.runtime.taskmanager.Task.run(Task.java:703)
> at java.lang.Thread.run(Thread.java:748)
> Caused by: java.lang.RuntimeException: Cannot instantiate tuple.
> at
> org.apache.flink.api.java.typeutils.runtime.TupleSerializer.createInstance(TupleSerializer.java:71)
> at
> org.apache.flink.api.java.typeutils.runtime.TupleSerializer.createInstance(TupleSerializer.java:30)
> at
> org.apache.flink.runtime.operators.hash.MutableHashTable.buildInitialTable(MutableHashTable.java:799)
> at
> org.apache.flink.runtime.operators.hash.MutableHashTable.open(MutableHashTable.java:487)
> at
> org.apache.flink.runtime.operators.hash.NonReusingBuildFirstHashJoinIterator.open(NonReusingBuildFirstHashJoinIterator.java:98)
> at
> org.apache.flink.runtime.operators.JoinDriver.prepare(JoinDriver.java:207)
> at org.apache.flink.runtime.operators.BatchTask.run(BatchTask.java:473)
> ... 3 more
> Caused by: java.lang.IllegalAccessException: Class
> org.apache.flink.api.java.typeutils.runtime.TupleSerializer can not access a
> member of class
> org.apache.flink.examples.java.relational.TPCHQuery3$ShippingPriorityItem
> with modifiers "public"
> at sun.reflect.Reflection.ensureMemberAccess(Reflection.java:102)
> at java.lang.Class.newInstance(Class.java:436)
> at
> org.apache.flink.api.java.typeutils.runtime.TupleSerializer.createInstance(TupleSerializer.java:62)
> ... 9 more
> {noformat}
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