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https://issues.apache.org/jira/browse/KNOX-1004?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Colm O hEigeartaigh resolved KNOX-1004.
---------------------------------------
Resolution: Fixed
> Failing (flaky) Knox unit test:
> org.apache.hadoop.gateway.GatewayAppFuncTest.testDefaultTopology
> ------------------------------------------------------------------------------------------------
>
> Key: KNOX-1004
> URL: https://issues.apache.org/jira/browse/KNOX-1004
> Project: Apache Knox
> Issue Type: Bug
> Components: Tests
> Affects Versions: 0.12.0
> Environment: local machine
> Reporter: Denes Bodo
> Priority: Minor
> Fix For: 0.14.0
>
> Attachments:
> 0001-KNOX-1004-Failing-flaky-Knox-unit-test-org.apache.ha.patch,
> 0001-KNOX-1004-Failing-flaky-Knox-unit-test-org.apache.ha.patch,
> 0001-KNOX-1004-Failing-flaky-Knox-unit-tests.patch
>
>
> Found flaky unit test in Knox:
> org.apache.hadoop.gateway.GatewayAppFuncTest.testDefaultTopology
> The problem occurs when the run is a little bit slower. The directory
> deletion during test cleanup fails due to missing directories. The
> directories are being deleted by Knox TopologyService.
> The problem in code where the second deletion is failing sometimes:
> {noformat}
> @After
> public void cleanupTest() throws Exception {
> FileUtils.cleanDirectory( new File( config.getGatewayTopologyDir() ) );
> FileUtils.cleanDirectory( new File( config.getGatewayDeploymentDir() ) );
> }
> {noformat}
> Due to removing working directories are being deleted during cleanupSuite I
> suggest remove deployment directory ignoring file-not-found errors. For
> example:
> {noformat}
> @After
> public void cleanupTest() throws Exception {
> ...
> FileUtils.deleteQuietly( new File( config.getGatewayDeploymentDir() ) );
> }
> {noformat}
> h2. Reproduction:
> Place a breakpoint at the deployment deletion and then slowly follow the
> steps. During in a file browser the deletion can be seen.
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