Java Code Examples for kafka.utils.ZkUtils#apply()
The following examples show how to use
kafka.utils.ZkUtils#apply() .
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Example 1
| Source File: KafkaProducer09IT.java From datacollector with Apache License 2.0 | 6 votes |
|
@BeforeClass
public static void setUpClass() throws Exception {
int zkConnectionTimeout = 6000;
int zkSessionTimeout = 6000;
zookeeper = new EmbeddedZookeeper();
zkConnect = String.format("127.0.0.1:%d", zookeeper.port());
zkUtils = ZkUtils.apply(
zkConnect, zkSessionTimeout, zkConnectionTimeout,
JaasUtils.isZkSecurityEnabled());
port = NetworkUtils.getRandomPort();
kafkaServer = TestUtil09.createKafkaServer(port, zkConnect);
for (int i = 0; i < topics.length; i++) {
topics[i] = UUID.randomUUID().toString();
AdminUtils.createTopic(zkUtils, topics[i], 1, 1, new Properties());
TestUtils.waitUntilMetadataIsPropagated(
scala.collection.JavaConversions.asScalaBuffer(Arrays.asList(kafkaServer)),
topics[i], 0, 5000);
}
}
Example 2
| Source File: KafkaUtilsTest.java From incubator-samoa with Apache License 2.0 | 6 votes |
|
@BeforeClass
public static void setUpClass() throws IOException {
// setup Zookeeper
zkServer = new EmbeddedZookeeper();
zkConnect = ZKHOST + ":" + zkServer.port();
zkClient = new ZkClient(zkConnect, 30000, 30000, ZKStringSerializer$.MODULE$);
ZkUtils zkUtils = ZkUtils.apply(zkClient, false);
// setup Broker
Properties brokerProps = new Properties();
brokerProps.setProperty("zookeeper.connect", zkConnect);
brokerProps.setProperty("broker.id", "0");
brokerProps.setProperty("log.dirs", Files.createTempDirectory("kafkaUtils-").toAbsolutePath().toString());
brokerProps.setProperty("listeners", "PLAINTEXT://" + BROKERHOST + ":" + BROKERPORT);
KafkaConfig config = new KafkaConfig(brokerProps);
Time mock = new MockTime();
kafkaServer = TestUtils.createServer(config, mock);
// create topics
AdminUtils.createTopic(zkUtils, TOPIC_R, 1, 1, new Properties(), RackAwareMode.Disabled$.MODULE$);
AdminUtils.createTopic(zkUtils, TOPIC_S, 1, 1, new Properties(), RackAwareMode.Disabled$.MODULE$);
}
Example 3
| Source File: Topicutil.java From dk-fitting with Apache License 2.0 | 6 votes |
|
/**
* 查询所有topic，包括已经被标记删除，还没有删除的topic。
* @return topic的list
*/
public static List<String> queryAllTopic(){
ZkUtils zkUtils = ZkUtils.apply(zkUrl, sessionTimeout, connectionTimeout, JaasUtils.isZkSecurityEnabled());
ArrayList<String> topics = new ArrayList<String>();
// AdminUtils.topicExists()
scala.collection.Map<String, Properties> stringPropertiesMap = AdminUtils.fetchAllTopicConfigs(zkUtils);
Map<String, Properties> javaMap = JavaConversions.mapAsJavaMap(stringPropertiesMap);
Iterator<String> iterator = javaMap.keySet().iterator();
while(iterator.hasNext()){
String key = iterator.next();
Properties properties = javaMap.get(key);
topics.add(key);
}
zkUtils.close();
return topics;
}
Example 4
| Source File: KafkaComponent.java From metron with Apache License 2.0 | 6 votes |
|
public void createTopic(String name, int numPartitions, long waitThisLongForMetadataToPropagate) throws InterruptedException {
ZkUtils zkUtils = null;
Level oldLevel = UnitTestHelper.getJavaLoggingLevel();
try {
UnitTestHelper.setJavaLoggingLevel(Level.OFF);
zkUtils = ZkUtils.apply(zookeeperConnectString, 30000, 30000, false);
AdminUtilsWrapper.createTopic(zkUtils, name, numPartitions, 1, new Properties());
if (waitThisLongForMetadataToPropagate > 0) {
waitUntilMetadataIsPropagated(name, numPartitions, waitThisLongForMetadataToPropagate);
}
}catch(TopicExistsException tee) {
}finally {
if(zkUtils != null){
zkUtils.close();
}
UnitTestHelper.setJavaLoggingLevel(oldLevel);
}
}
Example 5
| Source File: KafkaExportITBase.java From rya with Apache License 2.0 | 6 votes |
|
/**
* setup mini kafka and call the super to setup mini fluo
*/
@Before
public void setupKafka() throws Exception {
// Install an instance of Rya on the Accumulo cluster.
installRyaInstance();
// Setup Kafka.
zkServer = new EmbeddedZookeeper();
final String zkConnect = ZKHOST + ":" + zkServer.port();
zkClient = new ZkClient(zkConnect, 30000, 30000, ZKStringSerializer$.MODULE$);
zkUtils = ZkUtils.apply(zkClient, false);
// setup Broker
final Properties brokerProps = new Properties();
brokerProps.setProperty("zookeeper.connect", zkConnect);
brokerProps.setProperty("broker.id", "0");
brokerProps.setProperty("log.dirs", Files.createTempDirectory("kafka-").toAbsolutePath().toString());
brokerProps.setProperty("listeners", "PLAINTEXT://" + BROKERHOST + ":" + BROKERPORT);
final KafkaConfig config = new KafkaConfig(brokerProps);
final Time mock = new MockTime();
kafkaServer = TestUtils.createServer(config, mock);
}
Example 6
| Source File: KafkaUtils.java From oryx with Apache License 2.0 | 5 votes |
|
/**
* @param zkServers Zookeeper server string: host1:port1[,host2:port2,...]
* @param topic topic to delete, if it exists
*/
public static void deleteTopic(String zkServers, String topic) {
ZkUtils zkUtils = ZkUtils.apply(zkServers, ZK_TIMEOUT_MSEC, ZK_TIMEOUT_MSEC, false);
try {
if (AdminUtils.topicExists(zkUtils, topic)) {
log.info("Deleting topic {}", topic);
AdminUtils.deleteTopic(zkUtils, topic);
log.info("Deleted Zookeeper topic {}", topic);
} else {
log.info("No need to delete topic {} as it does not exist", topic);
}
} finally {
zkUtils.close();
}
}
Example 7
| Source File: Utils.java From kafka-monitor with Apache License 2.0 | 5 votes |
|
public static int getPartitionNumByTopic(String zk,String topic){
ZkUtils zkUtils=ZkUtils.apply(zk,ZK_SESSION_TIMEOUT_MS,ZK_CONNECTION_TIMEOUT_MS, JaasUtils.isZkSecurityEnabled());
try {
return zkUtils.getPartitionsForTopics(JavaConversions.asScalaBuffer(Arrays.asList(topic))).apply(topic).size();
}finally {
zkUtils.close();
}
}
Example 8
| Source File: KafkaValidationUtil09IT.java From datacollector with Apache License 2.0 | 5 votes |
|
@BeforeClass
public static void setUp() throws IOException {
int zkConnectionTimeout = 6000;
int zkSessionTimeout = 6000;
zookeeper = new EmbeddedZookeeper();
zkConnect = String.format("127.0.0.1:%d", zookeeper.port());
zkUtils = ZkUtils.apply(
zkConnect, zkSessionTimeout, zkConnectionTimeout,
JaasUtils.isZkSecurityEnabled());
port = NetworkUtils.getRandomPort();
kafkaServer = TestUtil09.createKafkaServer(port, zkConnect, false);
sdcKafkaValidationUtil = SdcKafkaValidationUtilFactory.getInstance().create();
}
Example 9
| Source File: TrafficControlApp.java From data-highway with Apache License 2.0 | 5 votes |
|
@Bean(destroyMethod = "close")
public ZkUtils zkUtils(
@Value("${kafka.zookeeper}") String zkUrl,
@Value("${kafka.sessionTimeout:60000}") int sessionTimeout,
@Value("${kafka.connectionTimeout:60000}") int connectionTimeout,
@Value("${kafka.zkSecurityEnabled:false}") boolean zkSecurityEnabled) {
return ZkUtils.apply(zkUrl, sessionTimeout, connectionTimeout, zkSecurityEnabled);
}
Example 10
| Source File: KafkaTestEnvironmentImpl.java From flink with Apache License 2.0 | 4 votes |
|
public ZkUtils getZkUtils() {
ZkClient creator = new ZkClient(zookeeperConnectionString, Integer.valueOf(standardProps.getProperty("zookeeper.session.timeout.ms")),
Integer.valueOf(standardProps.getProperty("zookeeper.connection.timeout.ms")), new ZooKeeperStringSerializer());
return ZkUtils.apply(creator, false);
}
Example 11
| Source File: KafkaTestEnvironmentImpl.java From Flink-CEPplus with Apache License 2.0 | 4 votes |
|
public ZkUtils getZkUtils() {
ZkClient creator = new ZkClient(zookeeperConnectionString, Integer.valueOf(standardProps.getProperty("zookeeper.session.timeout.ms")),
Integer.valueOf(standardProps.getProperty("zookeeper.connection.timeout.ms")), new ZooKeeperStringSerializer());
return ZkUtils.apply(creator, false);
}
Example 12
| Source File: KafkaMessageNewReceiverPoolTest.java From message-queue-client-framework with Apache License 2.0 | 4 votes |
|
@Before
public void setUp() throws Exception {
try {
zkServer = new EmbeddedZookeeper();
zkConnect = String.format("localhost:%d", zkServer.port());
ZkUtils zkUtils = ZkUtils.apply(zkConnect, 30000, 30000,
JaasUtils.isZkSecurityEnabled());
zkClient = zkUtils.zkClient();
final Option<File> noFile = scala.Option.apply(null);
final Option<SecurityProtocol> noInterBrokerSecurityProtocol = scala.Option.apply(null);
final Option<Properties> noPropertiesOption = scala.Option.apply(null);
final Option<String> noStringOption = scala.Option.apply(null);
kafkaProps = TestUtils.createBrokerConfig(brokerId, zkConnect, false,
false, port, noInterBrokerSecurityProtocol, noFile, noPropertiesOption, true,
false, TestUtils.RandomPort(), false, TestUtils.RandomPort(),
false, TestUtils.RandomPort(), noStringOption, TestUtils.RandomPort());
kafkaProps.setProperty("auto.create.topics.enable", "true");
kafkaProps.setProperty("num.partitions", "1");
// We *must* override this to use the port we allocated (Kafka currently
// allocates one port
// that it always uses for ZK
kafkaProps.setProperty("zookeeper.connect", this.zkConnect);
KafkaConfig config = new KafkaConfig(kafkaProps);
Time mock = new SystemTime();
kafkaServer = TestUtils.createServer(config, mock);
// create topic
TopicCommand.TopicCommandOptions options = new TopicCommand.TopicCommandOptions(
new String[]{"--create", "--topic", topic,
"--replication-factor", "1", "--partitions", "2"});
TopicCommand.createTopic(zkUtils, options);
List<KafkaServer> servers = new ArrayList<KafkaServer>();
servers.add(kafkaServer);
TestUtils.waitUntilMetadataIsPropagated(
scala.collection.JavaConversions.asScalaBuffer(servers), topic,
0, 5000);
} catch (Exception e) {
}
}
Example 13
| Source File: KafkaMessageSenderImplTest.java From message-queue-client-framework with Apache License 2.0 | 4 votes |
|
@Before
public void before() {
try {
zkServer = new EmbeddedZookeeper();
zkConnect = String.format("localhost:%d", zkServer.port());
ZkUtils zkUtils = ZkUtils.apply(zkConnect, 30000, 30000,
JaasUtils.isZkSecurityEnabled());
zkClient = zkUtils.zkClient();
Time mock = new SystemTime();
final Option<File> noFile = scala.Option.apply(null);
final Option<SecurityProtocol> noInterBrokerSecurityProtocol = scala.Option.apply(null);
final Option<Properties> noPropertiesOption = scala.Option.apply(null);
final Option<String> noStringOption = scala.Option.apply(null);
kafkaProps = TestUtils.createBrokerConfig(brokerId, zkConnect, false,
false, port, noInterBrokerSecurityProtocol, noFile, noPropertiesOption, true,
false, TestUtils.RandomPort(), false, TestUtils.RandomPort(),
false, TestUtils.RandomPort(), noStringOption, TestUtils.RandomPort());
kafkaProps.setProperty("auto.create.topics.enable", "true");
kafkaProps.setProperty("num.partitions", "1");
// We *must* override this to use the port we allocated (Kafka currently
// allocates one port
// that it always uses for ZK
kafkaProps.setProperty("zookeeper.connect", this.zkConnect);
kafkaProps.setProperty("host.name", "localhost");
kafkaProps.setProperty("port", port + "");
KafkaConfig config = new KafkaConfig(kafkaProps);
kafkaServer = TestUtils.createServer(config, mock);
// create topic
TopicCommand.TopicCommandOptions options = new TopicCommand.TopicCommandOptions(
new String[]{"--create", "--topic", topic,
"--replication-factor", "1", "--partitions", "1"});
TopicCommand.createTopic(zkUtils, options);
List<KafkaServer> servers = new ArrayList<KafkaServer>();
servers.add(kafkaServer);
TestUtils.waitUntilMetadataIsPropagated(
scala.collection.JavaConversions.asScalaBuffer(servers), topic,
0, 5000);
} catch (Exception e) {
}
}
Example 14
| Source File: TestConfig.java From metron with Apache License 2.0 | 4 votes |
|
@Bean
public ZkUtils zkUtils(ZkClient zkClient) {
return ZkUtils.apply(zkClient, false);
}
Example 15
| Source File: ZookeeperBrokersTest.java From message-queue-client-framework with Apache License 2.0 | 4 votes |
|
@Before
public void before() {
try {
zkServer = new EmbeddedZookeeper();
zkConnect = String.format("localhost:%d", zkServer.port());
ZkUtils zkUtils = ZkUtils.apply(zkConnect, 30000, 30000,
JaasUtils.isZkSecurityEnabled());
zkClient = zkUtils.zkClient();
Time mock = new SystemTime();
final Option<File> noFile = scala.Option.apply(null);
final Option<SecurityProtocol> noInterBrokerSecurityProtocol = scala.Option.apply(null);
final Option<Properties> noPropertiesOption = scala.Option.apply(null);
final Option<String> noStringOption = scala.Option.apply(null);
kafkaProps = TestUtils.createBrokerConfig(brokerId, zkConnect, false,
false, port, noInterBrokerSecurityProtocol, noFile, noPropertiesOption, true,
false, TestUtils.RandomPort(), false, TestUtils.RandomPort(),
false, TestUtils.RandomPort(), noStringOption, TestUtils.RandomPort());
kafkaProps.setProperty("auto.create.topics.enable", "true");
kafkaProps.setProperty("num.partitions", "1");
// We *must* override this to use the port we allocated (Kafka currently
// allocates one port
// that it always uses for ZK
kafkaProps.setProperty("zookeeper.connect", this.zkConnect);
kafkaProps.setProperty("host.name", "localhost");
kafkaProps.setProperty("port", port + "");
KafkaConfig config = new KafkaConfig(kafkaProps);
kafkaServer = TestUtils.createServer(config, mock);
// create topic
TopicCommand.TopicCommandOptions options = new TopicCommand.TopicCommandOptions(
new String[]{"--create", "--topic", topic,
"--replication-factor", "1", "--partitions", "4"});
TopicCommand.createTopic(zkUtils, options);
List<KafkaServer> servers = new ArrayList<KafkaServer>();
servers.add(kafkaServer);
TestUtils.waitUntilMetadataIsPropagated(
scala.collection.JavaConversions.asScalaBuffer(servers), topic,
0, 5000);
} catch (Exception e) {
}
}
Example 16
| Source File: ZookeeperHostsTest.java From message-queue-client-framework with Apache License 2.0 | 4 votes |
|
@Before
public void before() {
try {
zkServer = new EmbeddedZookeeper();
zkConnect = String.format("localhost:%d", zkServer.port());
ZkUtils zkUtils = ZkUtils.apply(zkConnect, 30000, 30000,
JaasUtils.isZkSecurityEnabled());
zkClient = zkUtils.zkClient();
Time mock = new SystemTime();
final Option<File> noFile = scala.Option.apply(null);
final Option<SecurityProtocol> noInterBrokerSecurityProtocol = scala.Option.apply(null);
final Option<Properties> noPropertiesOption = scala.Option.apply(null);
final Option<String> noStringOption = scala.Option.apply(null);
kafkaProps = TestUtils.createBrokerConfig(brokerId, zkConnect, false,
false, port, noInterBrokerSecurityProtocol, noFile, noPropertiesOption, true,
false, TestUtils.RandomPort(), false, TestUtils.RandomPort(),
false, TestUtils.RandomPort(), noStringOption, TestUtils.RandomPort());
kafkaProps.setProperty("auto.create.topics.enable", "true");
kafkaProps.setProperty("num.partitions", "1");
// We *must* override this to use the port we allocated (Kafka currently
// allocates one port
// that it always uses for ZK
kafkaProps.setProperty("zookeeper.connect", this.zkConnect);
kafkaProps.setProperty("host.name", "localhost");
kafkaProps.setProperty("port", port + "");
KafkaConfig config = new KafkaConfig(kafkaProps);
kafkaServer = TestUtils.createServer(config, mock);
// create topic
TopicCommand.TopicCommandOptions options = new TopicCommand.TopicCommandOptions(
new String[]{"--create", "--topic", topic,
"--replication-factor", "1", "--partitions", "1"});
TopicCommand.createTopic(zkUtils, options);
List<KafkaServer> servers = new ArrayList<KafkaServer>();
servers.add(kafkaServer);
TestUtils.waitUntilMetadataIsPropagated(
scala.collection.JavaConversions.asScalaBuffer(servers), topic,
0, 5000);
} catch (Exception e) {
}
}
Example 17
| Source File: KafkaTestEnvironmentImpl.java From Flink-CEPplus with Apache License 2.0 | 4 votes |
|
public ZkUtils getZkUtils() {
LOG.info("In getZKUtils:: zookeeperConnectionString = {}", zookeeperConnectionString);
ZkClient creator = new ZkClient(zookeeperConnectionString, Integer.valueOf(standardProps.getProperty("zookeeper.session.timeout.ms")),
Integer.valueOf(standardProps.getProperty("zookeeper.connection.timeout.ms")), new ZooKeeperStringSerializer());
return ZkUtils.apply(creator, false);
}
Example 18
| Source File: NewSenderWithSpringTest.java From message-queue-client-framework with Apache License 2.0 | 4 votes |
|
@Before
public void before() {
try {
zkServer = new EmbeddedZookeeper();
zkConnect = String.format("localhost:%d", zkServer.port());
ZkUtils zkUtils = ZkUtils.apply(zkConnect, 30000, 30000,
JaasUtils.isZkSecurityEnabled());
zkClient = zkUtils.zkClient();
Time mock = new SystemTime();
final Option<File> noFile = scala.Option.apply(null);
final Option<SecurityProtocol> noInterBrokerSecurityProtocol = scala.Option.apply(null);
final Option<Properties> noPropertiesOption = scala.Option.apply(null);
final Option<String> noStringOption = scala.Option.apply(null);
kafkaProps = TestUtils.createBrokerConfig(brokerId, zkConnect, false,
false, port, noInterBrokerSecurityProtocol, noFile, noPropertiesOption, true,
false, TestUtils.RandomPort(), false, TestUtils.RandomPort(),
false, TestUtils.RandomPort(), noStringOption, TestUtils.RandomPort());
kafkaProps.setProperty("auto.create.topics.enable", "true");
kafkaProps.setProperty("num.partitions", "1");
// We *must* override this to use the port we allocated (Kafka currently
// allocates one port
// that it always uses for ZK
kafkaProps.setProperty("zookeeper.connect", this.zkConnect);
kafkaProps.setProperty("host.name", "localhost");
kafkaProps.setProperty("port", port + "");
KafkaConfig config = new KafkaConfig(kafkaProps);
kafkaServer = TestUtils.createServer(config, mock);
// create topic
TopicCommand.TopicCommandOptions options = new TopicCommand.TopicCommandOptions(
new String[]{"--create", "--topic", topic,
"--replication-factor", "1", "--partitions", "1"});
TopicCommand.createTopic(zkUtils, options);
List<KafkaServer> servers = new ArrayList<KafkaServer>();
servers.add(kafkaServer);
TestUtils.waitUntilMetadataIsPropagated(
scala.collection.JavaConversions.asScalaBuffer(servers), topic,
0, 5000);
} catch (Exception e) {
}
}
Example 19
| Source File: ReceiverWithSpringTest.java From message-queue-client-framework with Apache License 2.0 | 4 votes |
|
@Before
public void before() {
try {
zkServer = new EmbeddedZookeeper();
zkConnect = String.format("localhost:%d", zkServer.port());
ZkUtils zkUtils = ZkUtils.apply(zkConnect, 30000, 30000,
JaasUtils.isZkSecurityEnabled());
zkClient = zkUtils.zkClient();
Time mock = new SystemTime();
final Option<File> noFile = scala.Option.apply(null);
final Option<SecurityProtocol> noInterBrokerSecurityProtocol = scala.Option.apply(null);
final Option<Properties> noPropertiesOption = scala.Option.apply(null);
final Option<String> noStringOption = scala.Option.apply(null);
kafkaProps = TestUtils.createBrokerConfig(brokerId, zkConnect, false,
false, port, noInterBrokerSecurityProtocol, noFile, noPropertiesOption, true,
false, TestUtils.RandomPort(), false, TestUtils.RandomPort(),
false, TestUtils.RandomPort(), noStringOption, TestUtils.RandomPort());
kafkaProps.setProperty("auto.create.topics.enable", "true");
kafkaProps.setProperty("num.partitions", "1");
// We *must* override this to use the port we allocated (Kafka currently
// allocates one port
// that it always uses for ZK
kafkaProps.setProperty("zookeeper.connect", this.zkConnect);
kafkaProps.setProperty("host.name", "localhost");
kafkaProps.setProperty("port", port + "");
KafkaConfig config = new KafkaConfig(kafkaProps);
kafkaServer = TestUtils.createServer(config, mock);
// create topic
TopicCommand.TopicCommandOptions options = new TopicCommand.TopicCommandOptions(
new String[]{"--create", "--topic", topic,
"--replication-factor", "1", "--partitions", "1"});
TopicCommand.createTopic(zkUtils, options);
List<KafkaServer> servers = new ArrayList<KafkaServer>();
servers.add(kafkaServer);
TestUtils.waitUntilMetadataIsPropagated(
scala.collection.JavaConversions.asScalaBuffer(servers), topic,
0, 5000);
} catch (Exception e) {
}
}
Example 20
| Source File: SenderTest.java From message-queue-client-framework with Apache License 2.0 | 4 votes |
|
@Before
public void before() {
try {
zkServer = new EmbeddedZookeeper();
zkConnect = String.format("localhost:%d", zkServer.port());
ZkUtils zkUtils = ZkUtils.apply(zkConnect, 30000, 30000,
JaasUtils.isZkSecurityEnabled());
zkClient = zkUtils.zkClient();
Time mock = new SystemTime();
final Option<File> noFile = scala.Option.apply(null);
final Option<SecurityProtocol> noInterBrokerSecurityProtocol = scala.Option.apply(null);
final Option<Properties> noPropertiesOption = scala.Option.apply(null);
final Option<String> noStringOption = scala.Option.apply(null);
kafkaProps = TestUtils.createBrokerConfig(brokerId, zkConnect, false,
false, port, noInterBrokerSecurityProtocol, noFile, noPropertiesOption, true,
false, TestUtils.RandomPort(), false, TestUtils.RandomPort(),
false, TestUtils.RandomPort(), noStringOption, TestUtils.RandomPort());
kafkaProps.setProperty("auto.create.topics.enable", "true");
kafkaProps.setProperty("num.partitions", "1");
// We *must* override this to use the port we allocated (Kafka currently
// allocates one port
// that it always uses for ZK
kafkaProps.setProperty("zookeeper.connect", this.zkConnect);
kafkaProps.setProperty("host.name", "localhost");
kafkaProps.setProperty("port", port + "");
KafkaConfig config = new KafkaConfig(kafkaProps);
kafkaServer = TestUtils.createServer(config, mock);
// create topic
TopicCommand.TopicCommandOptions options = new TopicCommand.TopicCommandOptions(
new String[]{"--create", "--topic", topic,
"--replication-factor", "1", "--partitions", "1"});
TopicCommand.createTopic(zkUtils, options);
List<KafkaServer> servers = new ArrayList<KafkaServer>();
servers.add(kafkaServer);
TestUtils.waitUntilMetadataIsPropagated(
scala.collection.JavaConversions.asScalaBuffer(servers), topic,
0, 5000);
} catch (Exception e) {
}
}
