[jira] [Created] (DRILL-475) TestJdbcQuery fails on Windows due to resource leak

["Aditya Kishore (JIRA)" <ji...@apache.org>]

Aditya Kishore created DRILL-475:
------------------------------------

             Summary: TestJdbcQuery fails on Windows due to resource leak
                 Key: DRILL-475
                 URL: https://issues.apache.org/jira/browse/DRILL-475
             Project: Apache Drill
          Issue Type: Bug
            Reporter: Aditya Kishore


Two test case classes {{TestJdbcQuery}} and {{TestJdbcDistQuery}} both call
{{org.apache.drill.exec.store.hive.HiveTestDataGenerator.generateTestData()}} during the test phase which starts with cleaning up of scratch directory.

{noformat}
  public void generateTestData() throws Exception {
    // remove data from previous runs.
    cleanDir(DB_DIR);
    cleanDir(WH_DIR);
...
{noformat}

However the files opened by the first tests are not closed before the second test starts execution and hence the execution fails.

{noformat}
Tests run: 16, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 32.005 sec - in org.apache.drill.jdbc.test.TestJdbcDistQuery
Running org.apache.drill.jdbc.test.TestJdbcQuery
Tests run: 1, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 0.086 sec <<< FAILURE! - in org.apache.drill.jdbc.test.TestJdbcQuery
org.apache.drill.jdbc.test.TestJdbcQuery  Time elapsed: 0.086 sec  <<< ERROR!
java.io.IOException: Unable to delete file: \tmp\drill_hive_db\seg0\cf0.dat
        at org.apache.commons.io.FileUtils.forceDelete(FileUtils.java:1919)
        at org.apache.commons.io.FileUtils.cleanDirectory(FileUtils.java:1399)
        at org.apache.commons.io.FileUtils.deleteDirectory(FileUtils.java:1331)
        at org.apache.commons.io.FileUtils.forceDelete(FileUtils.java:1910)
        at org.apache.commons.io.FileUtils.cleanDirectory(FileUtils.java:1399)
        at org.apache.drill.exec.store.hive.HiveTestDataGenerator.cleanDir(HiveTestDataGenerator.java:49)
        at org.apache.drill.exec.store.hive.HiveTestDataGenerator.generateTestData(HiveTestDataGenerator.java:57)
        at org.apache.drill.jdbc.test.TestJdbcQuery.generateHive(TestJdbcQuery.java:55)
{noformat}

A fix for this would require shutting down the Hive service(s) (Metastore?) between the test runs.



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