Java KeeperException.NoAuthException方法代碼示例

import org.apache.zookeeper.KeeperException; //導入方法依賴的package包/類
/**
 * Test that, if ACLs are specified in the configuration, that
 * it sets the ACLs when formatting the parent node.
 */
@Test
public void testFormatSetsAcls() throws Exception {
  // Format the base dir, should succeed
  DummyHAService svc = cluster.getService(1);
  assertEquals(0, runFC(svc, "-formatZK"));

  ZooKeeper otherClient = createClient();
  try {
    // client without auth should not be able to read it
    Stat stat = new Stat();
    otherClient.getData(ZKFailoverController.ZK_PARENT_ZNODE_DEFAULT,
        false, stat);
    fail("Was able to read data without authenticating!");
  } catch (KeeperException.NoAuthException nae) {
    // expected
  }
}
 

import org.apache.zookeeper.KeeperException; //導入方法依賴的package包/類
/**
 * Test that, if ACLs are specified in the configuration, that
 * it sets the ACLs when formatting the parent node.
 */
@Test(timeout=15000)
public void testFormatSetsAcls() throws Exception {
  // Format the base dir, should succeed
  DummyHAService svc = cluster.getService(1);
  assertEquals(0, runFC(svc, "-formatZK"));

  ZooKeeper otherClient = createClient();
  try {
    // client without auth should not be able to read it
    Stat stat = new Stat();
    otherClient.getData(ZKFailoverController.ZK_PARENT_ZNODE_DEFAULT,
        false, stat);
    fail("Was able to read data without authenticating!");
  } catch (KeeperException.NoAuthException nae) {
    // expected
  }
}
 

import org.apache.zookeeper.KeeperException; //導入方法依賴的package包/類
private static String getMessage(Throwable cause) {
    if (cause instanceof  KeeperException) {
        KeeperException keeperException = (KeeperException) cause;
        if (keeperException instanceof KeeperException.NoNodeException) {
            return "Node does not exist: " + keeperException.getPath();
        } else if (keeperException instanceof KeeperException.NoChildrenForEphemeralsException) {
            return "Ephemerals cannot have children: " + keeperException.getPath();
        } else if (keeperException instanceof KeeperException.NodeExistsException) {
            return "Node already exists: " + keeperException.getPath();
        } else if (keeperException instanceof KeeperException.NotEmptyException) {
            return "Node not empty: " + keeperException.getPath();
        } else if (keeperException instanceof KeeperException.NotReadOnlyException) {
            return "Not a read-only call: " + keeperException.getPath();
        } else if (keeperException instanceof KeeperException.InvalidACLException) {
            return "Acl is not valid : " + keeperException.getPath();
        } else if (keeperException instanceof KeeperException.NoAuthException) {
            return "Authentication is not valid : " + keeperException.getPath();
        } else if (keeperException instanceof KeeperException.BadArgumentsException) {
            return "Arguments are not valid : " + keeperException.getPath();
        } else if (keeperException instanceof KeeperException.BadVersionException) {
            return "version No is not valid : " + keeperException.getPath();
        } else if (keeperException instanceof KeeperException.ReconfigInProgress) {
            return "Another reconfiguration is in progress -- concurrent " +
                    "reconfigs not supported (yet)";
        } else if (keeperException instanceof KeeperException.NewConfigNoQuorum) {
            return "No quorum of new config is connected and " +
                    "up-to-date with the leader of last commmitted config - try invoking reconfiguration after " +
                    "new servers are connected and synced";
        }
    }
    return cause.getMessage();
}
 

import org.apache.zookeeper.KeeperException; //導入方法依賴的package包/類
T runWithRetries() throws Exception {
  int retry = 0;
  while (true) {
    try {
      return runWithCheck();
    } catch (KeeperException.NoAuthException nae) {
      if (HAUtil.isHAEnabled(getConfig())) {
        // NoAuthException possibly means that this store is fenced due to
        // another RM becoming active. Even if not,
        // it is safer to assume we have been fenced
        throw new StoreFencedException();
      }
    } catch (KeeperException ke) {
      if (ke.code() == Code.NODEEXISTS) {
        LOG.info("znode already exists!");
        return null;
      }
      if (hasDeleteNodeOp && ke.code() == Code.NONODE) {
        LOG.info("znode has already been deleted!");
        return null;
      }

      LOG.info("Exception while executing a ZK operation.", ke);
      if (shouldRetry(ke.code()) && ++retry < numRetries) {
        LOG.info("Retrying operation on ZK. Retry no. " + retry);
        Thread.sleep(zkRetryInterval);
        createConnection();
        continue;
      }
      LOG.info("Maxed out ZK retries. Giving up!");
      throw ke;
    }
  }
}