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## What changes were proposed in this pull request? Although [SPARK-22654](https://issues.apache.org/jira/browse/SPARK-22654) made `HiveExternalCatalogVersionsSuite` download from Apache mirrors three times, it has been flaky because it didn't verify the downloaded file. Some Apache mirrors terminate the downloading abnormally, the *corrupted* file shows the following errors. ``` gzip: stdin: not in gzip format tar: Child returned status 1 tar: Error is not recoverable: exiting now 22:46:32.700 WARN org.apache.spark.sql.hive.HiveExternalCatalogVersionsSuite: ===== POSSIBLE THREAD LEAK IN SUITE o.a.s.sql.hive.HiveExternalCatalogVersionsSuite, thread names: Keep-Alive-Timer ===== *** RUN ABORTED *** java.io.IOException: Cannot run program "./bin/spark-submit" (in directory "/tmp/test-spark/spark-2.2.0"): error=2, No such file or directory ``` This has been reported weirdly in two ways. For example, the above case is reported as Case 2 `no failures`. - Case 1. [Test Result (1 failure / +1)](https://amplab.cs.berkeley.edu/jenkins/view/Spark%20QA%20Test%20(Dashboard)/job/spark-master-test-sbt-hadoop-2.7/4389/) - Case 2. [Test Result (no failures)](https://amplab.cs.berkeley.edu/jenkins/view/Spark%20QA%20Test%20(Dashboard)/job/spark-master-test-maven-hadoop-2.6/4811/) This PR aims to make `HiveExternalCatalogVersionsSuite` more robust by verifying the downloaded `tgz` file by extracting and checking the existence of `bin/spark-submit`. If it turns out that the file is empty or corrupted, `HiveExternalCatalogVersionsSuite` will do retry logic like the download failure. ## How was this patch tested? Pass the Jenkins. Author: Dongjoon Hyun <dongjoon@apache.org> Closes #21210 from dongjoon-hyun/SPARK-23489. |
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| pom.xml | ||