ndimiduk commented on a change in pull request #1141: HBASE-23808 [Flakey Test]
TestMasterShutdown#testMasterShutdownBefore…
URL: https://github.com/apache/hbase/pull/1141#discussion_r376481912
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File path:
hbase-server/src/test/java/org/apache/hadoop/hbase/master/TestMasterShutdown.java
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@@ -128,41 +142,50 @@ public void
testMasterShutdownBeforeStartingAnyRegionServer() throws Exception {
conf.setInt(ServerManager.WAIT_ON_REGIONSERVERS_MINTOSTART, 1);
// Start the cluster
- final HBaseTestingUtility util = new HBaseTestingUtility(conf);
- util.startMiniDFSCluster(3);
- util.startMiniZKCluster();
- util.createRootDir();
- final LocalHBaseCluster cluster =
- new LocalHBaseCluster(conf, NUM_MASTERS, NUM_RS, HMaster.class,
- MiniHBaseCluster.MiniHBaseClusterRegionServer.class);
- final int MASTER_INDEX = 0;
- final MasterThread master = cluster.getMasters().get(MASTER_INDEX);
- master.start();
- LOG.info("Called master start on " + master.getName());
- Thread shutdownThread = new Thread("Shutdown-Thread") {
- @Override
- public void run() {
- LOG.info("Before call to shutdown master");
- try (Connection connection = createConnection(util); Admin admin =
connection.getAdmin()) {
- admin.shutdown();
- } catch (Exception e) {
- LOG.info("Error while calling Admin.shutdown, which is expected: " +
e.getMessage());
+ LocalHBaseCluster cluster = null;
+ try {
+ htu = new HBaseTestingUtility(conf);
+ htu.startMiniDFSCluster(3);
+ htu.startMiniZKCluster();
+ htu.createRootDir();
+ cluster = new LocalHBaseCluster(conf, NUM_MASTERS, NUM_RS, HMaster.class,
+ MiniHBaseCluster.MiniHBaseClusterRegionServer.class);
+ final int MASTER_INDEX = 0;
+ final MasterThread master = cluster.getMasters().get(MASTER_INDEX);
+ master.start();
+ LOG.info("Called master start on " + master.getName());
+ final LocalHBaseCluster finalCluster = cluster;
+ Thread shutdownThread = new Thread("Shutdown-Thread") {
+ @Override
+ public void run() {
+ LOG.info("Before call to shutdown master");
+ try (Connection connection = createConnection(htu); Admin admin =
connection.getAdmin()) {
+ admin.shutdown();
Review comment:
I think this is the source of the instability I've seen in this test, but I
cannot reproduce it reliably.
You see this test failing reliably on your branch?
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