Examples of org.apache.hadoop.hbase.Abortable

org.apache.hadoop.hbase.Abortable
Interface to support the aborting of a given server or client.
This is used primarily for ZooKeeper usage when we could get an unexpected and fatal exception, requiring an abort.
Implemented by the Master, RegionServer, and TableServers (client).

    MiniHBaseCluster cluster = TEST_UTIL.getHBaseCluster();
    log("Cluster started");


    // Create a ZKW to use in the test
    ZooKeeperWatcher zkw = new ZooKeeperWatcher(TEST_UTIL.getConfiguration(),
        "unittest", new Abortable() {
          
          @Override
          public void abort(String why, Throwable e) {
            LOG.error("Fatal ZK Error: " + why, e);
            org.junit.Assert.assertFalse("Fatal ZK error", true);

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    // Master should *NOT* die:
    // we are testing that the default setting of hbase.coprocessor.abortonerror
    // =false
    // is respected.
    ZooKeeperWatcher zkw = new ZooKeeperWatcher(UTIL.getConfiguration(),
      "unittest", new Abortable() {
      @Override
      public void abort(String why, Throwable e) {
        throw new RuntimeException("Fatal ZK error: " + why, e);
      }
      @Override
      public boolean isAborted() {
        return false;
      }
    });


    MasterTracker masterTracker = new MasterTracker(zkw,"/hbase/master",
        new Abortable() {
          @Override
          public void abort(String why, Throwable e) {
            throw new RuntimeException("Fatal Zookeeper tracker error, why=", e);
          }
          @Override

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   * Test that we can interrupt a node that is blocked on a wait.
   * @throws IOException
   * @throws InterruptedException
   */
  @Test public void testInterruptible() throws IOException, InterruptedException {
    Abortable abortable = new StubAbortable();
    ZooKeeperWatcher zk = new ZooKeeperWatcher(TEST_UTIL.getConfiguration(),
      "testInterruptible", abortable);
    final TestTracker tracker = new TestTracker(zk, "/xyz", abortable);
    tracker.start();
    Thread t = new Thread() {

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    // If it wasn't interruptible, we'd never get to here.
  }


  @Test
  public void testNodeTracker() throws Exception {
    Abortable abortable = new StubAbortable();
    ZooKeeperWatcher zk = new ZooKeeperWatcher(TEST_UTIL.getConfiguration(),
        "testNodeTracker", abortable);
    ZKUtil.createAndFailSilent(zk, zk.baseZNode);


    final String node =

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  @Test
  public void testTableStates()
  throws ZooKeeperConnectionException, IOException, KeeperException {
    final String name = "testDisabled";
    Abortable abortable = new Abortable() {
      @Override
      public void abort(String why, Throwable e) {
        LOG.info(why, e);
      }

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    UTIL.startMiniCluster();
    // Shutdown hbase.
    UTIL.shutdownMiniHBaseCluster();
    // Mess with the root location in the running zk.  Set it to be nonsense.
    ZooKeeperWatcher zookeeper = new ZooKeeperWatcher(UTIL.getConfiguration(),
      "Bad Root Location Writer", new Abortable() {
        @Override
        public void abort(String why, Throwable e) {
          LOG.error("Abort was called on 'bad root location writer'", e);
        }

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  @AfterClass public static void afterClass() throws IOException {
    UTIL.getZkCluster().shutdown();
  }


  @Before public void before() throws IOException {
    this.abortable = new Abortable() {
      @Override
      public void abort(String why, Throwable e) {
        LOG.info(why, e);
      }

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    assertFalse("No table created yet", cp.wasCreateTableCalled());


    // set a watch on the zookeeper /hbase/master node. If the master dies,
    // the node will be deleted.
    ZooKeeperWatcher zkw = new ZooKeeperWatcher(UTIL.getConfiguration(),
      "unittest", new Abortable() {
      @Override
      public void abort(String why, Throwable e) {
        throw new RuntimeException("Fatal ZK error: " + why, e);
      }
      @Override
      public boolean isAborted() {
        return false;
      }
    });


    MasterTracker masterTracker = new MasterTracker(zkw,"/hbase/master",
        new Abortable() {
          @Override
          public void abort(String why, Throwable e) {
            throw new RuntimeException("Fatal ZK master tracker error, why=", e);
          }
          @Override

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  }


  private ServerName getRootRegionServerName()
  throws IOException, InterruptedException {
    RootRegionTracker rootRegionTracker =
      new RootRegionTracker(this.connection.getZooKeeperWatcher(), new Abortable() {
        @Override
        public void abort(String why, Throwable e) {
          LOG.error(why, e);
          System.exit(1);
        }

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    this.connection = connection;
    if (abortable == null) {
      // A connection is abortable.
      this.abortable = this.connection;
    }
    Abortable throwableAborter = new Abortable() {


      @Override
      public void abort(String why, Throwable e) {
        throw new RuntimeException(why, e);
      }

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