Aditya Kishore created DRILL-475:
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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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