cadl created HUDI-4858:
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             Summary: HoodieSparkSqlWriter can't work concurrently
                 Key: HUDI-4858
                 URL: https://issues.apache.org/jira/browse/HUDI-4858
             Project: Apache Hudi
          Issue Type: Bug
            Reporter: cadl


When I am doing dataframe.write.format("org.apache.hudi") with ForkJoinPool,  I 
got a NPE at 
[HoodieSparkSqlWriter.scala#L609|https://github.com/apache/hudi/blob/a3921a845f608f2018ec3237f9d7421696b7b05d/hudi-spark-datasource/hudi-spark-common/src/main/scala/org/apache/hudi/HoodieSparkSqlWriter.scala#L609],
 the tableExists is ture, but tableConfig is null. The path of the table is 
empty, actually. Variable `tableExists` is overwritten by other write request.

 

We might remove the variable tableExists from object class  properties



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