[jira] [Created] (SQOOP-3218) Make sure the original ClassLoader is preserved when running HCatalog tests

["Szabolcs Vasas (JIRA)" <ji...@apache.org>]

Szabolcs Vasas created SQOOP-3218:
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             Summary: Make sure the original ClassLoader is preserved when running HCatalog tests
                 Key: SQOOP-3218
                 URL: https://issues.apache.org/jira/browse/SQOOP-3218
             Project: Sqoop
          Issue Type: Improvement
            Reporter: Szabolcs Vasas


When Sqoop runs in test mode it creates another ClassLoader that loads from the generated JAR file in addition to everything else currently on the classpath (see: com.cloudera.sqoop.util.ClassLoaderStack#addJarFile) so it is dependent of Thread.currentThread().getContextClassLoader() value.
However in HCatalog test cases Sqoop invokes org.apache.hive.hcatalog.cli.HCatCli#main method directly in process (org.apache.sqoop.mapreduce.hcat.SqoopHCatUtilities#executeHCatProgramInProcess) which can override the contextClassLoader in the current thread and cause the tests to fail.

The task is to improve org.apache.sqoop.mapreduce.hcat.SqoopHCatUtilities#executeHCatProgramInProcess to make sure that the class loader used before invoking HCatCli is restored after the main method of the CLI is finished.




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