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https://issues.apache.org/jira/browse/HBASE-4326?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13095782#comment-13095782
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stack commented on HBASE-4326:
------------------------------
We'd have to add something to dump them out. Do you want to do it for every
test that is run Jon? I took a quick look at surefire-tests goal and there
doesn't seem to be a pre-test goal that we could add something to (nor did I
see a system properties dump config -- there is a way to add system properties
to the test context so we could set a flag that HBaseTestingUtility read and
dumped all props if set?).
> Tests that use HBaseTestingUtility.startMiniCluster(n) should shutdown with
> HBaseTestingUtility.shutdownMiniCluster.
> --------------------------------------------------------------------------------------------------------------------
>
> Key: HBASE-4326
> URL: https://issues.apache.org/jira/browse/HBASE-4326
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.90.4
> Reporter: Jonathan Hsieh
>
> Most tests that use mini clusters use this pattern
> {code}
> private final static HBaseTestingUtility UTIL = new HBaseTestingUtility();
> @BeforeClass
> public static void beforeClass() throws Exception {
> UTIL.startMiniCluster(1);
> }
> @AfterClass
> public static void afterClass() throws IOException {
> UTIL.shutdownMiniCluster();
> }
> {code}
> Some tests (like hbase-4269)
> {code}
> @BeforeClass
> public static void beforeClass() throws Exception {
> UTIL.startMiniCluster(1);
> }
> @AfterClass
> public static void afterClass() throws IOException {
> UTIL.getMiniCluster().shutdown();
> // or UTIL.shutdownMiniHBaseCluster();
> // and likely others.
> }
> {code}
> There is a difference between the two shutdown -- the former deletes files
> created during the tests while the latter does not. This funny state
> persisting (zk or hbase/mr data) may be the cause of strange inter-testcase
> problems when full suites are run.
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