Package org.apache.zookeeper.server

Examples of org.apache.zookeeper.server.ZooKeeperServer$MissingSessionException

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            CommTestUtils.deleteDirectoryContents(zkDataDir);
        } else {
            zkDataDir.mkdirs();
        }

        ZooKeeperServer zks = new ZooKeeperServer(zkDataDir, zkDataDir, 3000);
        NIOServerCnxn.Factory nioZookeeperConnectionFactory = new NIOServerCnxn.Factory(new InetSocketAddress(ZK_PORT));
        nioZookeeperConnectionFactory.startup(zks);
        Assert.assertTrue("waiting for server being up", waitForServerUp("localhost", ZK_PORT, 4000));
        return nioZookeeperConnectionFactory;
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      int maxconnections = 1000;

      File dataFile = new File(logdir, "zookeeper_data").getAbsoluteFile();
      File snapFile = new File(logdir, "zookeeper_snap").getAbsoluteFile();

      server = new ZooKeeperServer(
          new FileTxnSnapLog(dataFile, snapFile),
          new BasicDataTreeBuilder());

      connection = new NIOServerCnxnFactory();
      connection.configure(new InetSocketAddress(port), maxconnections);
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  public static void createAndStartZooKeeper()
    throws IOException, ConfigException, InterruptedException {
    ServerConfig zkConf = createZooKeeperConf();

    zooKeeper = new ZooKeeperServer();
    FileTxnSnapLog ftxn = new
      FileTxnSnapLog(new File(zkConf.getDataLogDir()),
                     new File(zkConf.getDataDir()));
    zooKeeper.setTxnLogFactory(ftxn);
    zooKeeper.setTickTime(zkConf.getTickTime());
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    public static NIOServerCnxn.Factory createNewServerInstance(File dataDir,
            NIOServerCnxn.Factory factory, String hostPort, int maxCnxns)
        throws IOException, InterruptedException
    {
        ZooKeeperServer zks = new ZooKeeperServer(dataDir, dataDir, 3000);
        final int PORT = getPort(hostPort);
        if (factory == null) {
            factory = new NIOServerCnxn.Factory(new InetSocketAddress(PORT),maxCnxns);
        }
        factory.startup(zks);
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    FileTxnLog.setPreallocSize(100 * 1024);
    if (!BASETEST.exists()) {
      BASETEST.mkdirs();
    }
    File dataDir = createTmpDir(BASETEST);
    zks = new ZooKeeperServer(dataDir, dataDir, 3000);
    final int PORT = Integer.parseInt(hostPort.split(":")[1]);
    if (factory == null) {
      factory = new NIOServerCnxnFactory();
      factory.configure(new InetSocketAddress(PORT), maxCnxns);
    }
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    ActiveStandbyElector elector = electors[0];
   
    // Let the first elector become active
    elector.ensureParentZNode();
    elector.joinElection(appData);
    ZooKeeperServer zks = getServer(serverFactory);
    ActiveStandbyElectorTestUtil.waitForActiveLockData(null,
        zks, PARENT_DIR, appData);
    Mockito.verify(cb, Mockito.timeout(1000)).becomeActive();
    checkFatalsAndReset();
   
    LOG.info("========================== Expiring session");
    zks.closeSession(elector.getZKSessionIdForTests());

    // Should enter neutral mode when disconnected
    Mockito.verify(cb, Mockito.timeout(1000)).enterNeutralMode();

    // Should re-join the election and regain active
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  @Test(timeout=15000)
  public void testHandleSessionExpirationOfStandby() throws Exception {
    // Let elector 0 be active
    electors[0].ensureParentZNode();
    electors[0].joinElection(appDatas[0]);
    ZooKeeperServer zks = getServer(serverFactory);
    ActiveStandbyElectorTestUtil.waitForActiveLockData(null,
        zks, PARENT_DIR, appDatas[0]);
    Mockito.verify(cbs[0], Mockito.timeout(1000)).becomeActive();
    checkFatalsAndReset();
   
    // Let elector 1 be standby
    electors[1].joinElection(appDatas[1]);
    ActiveStandbyElectorTestUtil.waitForElectorState(null, electors[1],
        State.STANDBY);
   
    LOG.info("========================== Expiring standby's session");
    zks.closeSession(electors[1].getZKSessionIdForTests());

    // Should enter neutral mode when disconnected
    Mockito.verify(cbs[1], Mockito.timeout(1000)).enterNeutralMode();

    // Should re-join the election and go back to STANDBY
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     * node is actually working.
     */
    public void testAcls() throws Exception {
        File tmpDir = ClientBase.createTmpDir();
        ClientBase.setupTestEnv();
        zks = new ZooKeeperServer(tmpDir, tmpDir, 3000);
        SyncRequestProcessor.snapCount = 1000;
        final int PORT = Integer.parseInt(HOSTPORT.split(":")[1]);
        NIOServerCnxn.Factory f = new NIOServerCnxn.Factory(PORT);
        f.startup(zks);
        LOG.info("starting up the zookeeper server .. waiting");
        assertTrue("waiting for server being up",
                ClientBase.waitForServerUp(HOSTPORT,CONNECTION_TIMEOUT));
        ZooKeeper zk = new ZooKeeper(HOSTPORT, 20000, this);
        String path;
        LOG.info("starting creating acls");
        for (int i = 0; i < 100; i++) {
            path = "/" + i;
            zk.create(path, path.getBytes(), Ids.OPEN_ACL_UNSAFE,
                    CreateMode.PERSISTENT);
        }
        assertTrue("size of the acl map ", (1 == zks.dataTree.longKeyMap.size()));
        for (int j =100; j < 200; j++) {
            path = "/" + j;
            ACL acl = new ACL();
            acl.setPerms(0);
            Id id = new Id();
            id.setId(j + "");
            id.setScheme("host");
            acl.setId(id);
            ArrayList<ACL> list = new ArrayList<ACL>();
            list.add(acl);
            zk.create(path, path.getBytes(), list, CreateMode.PERSISTENT);
        }
        assertTrue("size of the acl map ", (101 == zks.dataTree.longKeyMap.size()));
        // now shutdown the server and restart it
        f.shutdown();
        assertTrue("waiting for server down",
                ClientBase.waitForServerDown(HOSTPORT,
                        CONNECTION_TIMEOUT));
        startSignal = new CountDownLatch(1);

        zks = new ZooKeeperServer(tmpDir, tmpDir, 3000);
        f = new NIOServerCnxn.Factory(PORT);
       
        f.startup(zks);

        assertTrue("waiting for server up",
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     */
    public void testRecovery() throws Exception {
        File tmpDir = ClientBase.createTmpDir();

        ClientBase.setupTestEnv();
        ZooKeeperServer zs = new ZooKeeperServer(tmpDir, tmpDir, 3000);

        int oldSnapCount = SyncRequestProcessor.snapCount;
        SyncRequestProcessor.snapCount = 1000;
        try {
            final int PORT = Integer.parseInt(HOSTPORT.split(":")[1]);
            NIOServerCnxn.Factory f = new NIOServerCnxn.Factory(PORT);
            f.startup(zs);
            LOG.info("starting up the the server, waiting");

            assertTrue("waiting for server up",
                       ClientBase.waitForServerUp(HOSTPORT,
                                       CONNECTION_TIMEOUT));

            ZooKeeper zk = new ZooKeeper(HOSTPORT, 20000, this);
            String path;
            LOG.info("starting creating nodes");
            for (int i = 0; i < 10; i++) {
                path = "/" + i;
                zk.create(path,
                          (path + "!").getBytes(),
                          Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
                for (int j = 0; j < 10; j++) {
                    String subpath = path + "/" + j;
                    zk.create(subpath, (subpath + "!").getBytes(),
                            Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
                    for (int k = 0; k < 20; k++) {
                        String subsubpath = subpath + "/" + k;
                        zk.create(subsubpath, (subsubpath + "!").getBytes(),
                                Ids.OPEN_ACL_UNSAFE, CreateMode.PERSISTENT);
                    }
                }
            }

            f.shutdown();
            assertTrue("waiting for server down",
                       ClientBase.waitForServerDown(HOSTPORT,
                                          CONNECTION_TIMEOUT));

            zs = new ZooKeeperServer(tmpDir, tmpDir, 3000);
            f = new NIOServerCnxn.Factory(PORT);

            startSignal = new CountDownLatch(1);

            f.startup(zs);

            assertTrue("waiting for server up",
                       ClientBase.waitForServerUp(HOSTPORT,
                                           CONNECTION_TIMEOUT));

            startSignal.await(CONNECTION_TIMEOUT,
                    TimeUnit.MILLISECONDS);
            assertTrue("count == 0", startSignal.getCount() == 0);

            Stat stat = new Stat();
            for (int i = 0; i < 10; i++) {
                path = "/" + i;
                LOG.info("Checking " + path);
                assertEquals(new String(zk.getData(path, false, stat)), path
                        + "!");
                for (int j = 0; j < 10; j++) {
                    String subpath = path + "/" + j;
                    assertEquals(new String(zk.getData(subpath, false, stat)),
                            subpath + "!");
                    for (int k = 0; k < 20; k++) {
                        String subsubpath = subpath + "/" + k;
                        assertEquals(new String(zk.getData(subsubpath, false,
                                stat)), subsubpath + "!");
                    }
                }
            }
            f.shutdown();

            assertTrue("waiting for server down",
                       ClientBase.waitForServerDown(HOSTPORT,
                                          ClientBase.CONNECTION_TIMEOUT));

            zs = new ZooKeeperServer(tmpDir, tmpDir, 3000);
            f = new NIOServerCnxn.Factory(PORT);

            startSignal = new CountDownLatch(1);

            f.startup(zs);
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    static NIOServerCnxn.Factory createNewServerInstance(File dataDir,
            NIOServerCnxn.Factory factory, String hostPort)
        throws IOException, InterruptedException
    {
        ZooKeeperServer zks = new ZooKeeperServer(dataDir, dataDir, 3000);
        final int PORT = Integer.parseInt(hostPort.split(":")[1]);
        if (factory == null) {
            factory = new NIOServerCnxn.Factory(PORT);
        }
        factory.startup(zks);
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