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  1. Flink
  2. FLINK-16675

TableEnvironmentITCase. testClearOperation fails on travis nightly build

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      Observed below error in release-1.10 crone build:

      00:39:02.215 [ERROR] testClearOperation[batch](org.apache.flink.table.api.TableEnvironmentITCase)  Time elapsed: 0.081 s  <<< ERROR!
      org.apache.flink.api.common.InvalidProgramException: The implementation of the CollectionInputFormat is not serializable. The object probably contains or references non serializable fields.
      	at org.apache.flink.table.api.TableEnvironmentITCase.testClearOperation(TableEnvironmentITCase.scala:154)
      Caused by: java.lang.RuntimeException: Row arity of from does not match serializers.
      	at org.apache.flink.table.api.TableEnvironmentITCase.testClearOperation(TableEnvironmentITCase.scala:154)
      

      https://api.travis-ci.org/v3/job/664048405/log.txt

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            lirui Rui Li
            liyu Yu Li
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