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02-24-2016
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18
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Title | Views | Posted |
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4143 | 12-18-2017 11:47 AM | |
11528 | 11-08-2017 01:54 PM | |
65428 | 05-06-2016 11:48 AM |
11-08-2017
01:36 PM
Suppose at the time of creation of Topic we created a topic XX with 5 Partition and later we recognized that we dont need 2 , so can we reduce the number of partition for a Topic ?
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Apache Kafka
11-07-2017
03:15 PM
Do we know for what purpose these files which will be created after starting Kafka server and all contains __consumer_offsets information in log . files are : state-change.log ,kafka-request.log,kafka-authorizer.log,controller.log,server.log,log-cleaner.log I have read that "__consumer_offsets" is the topic what type of details it holds ?
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Apache Ambari
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Apache Kafka
03-03-2017
05:32 AM
Provided solution for "java.sql.SQLSyntaxErrorException: ORA-00933: SQL command not properly ended"
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03-03-2017
05:31 AM
Issue in Sqoop : Oracle database to hdfs
17/03/02 19:44:28 WARN sqoop.ConnFactory: Parameter --driver is set to an explicit driver however appropriate connection manager is not being set (via --connection-manager). Sqoop is going to fall back to org.apache.sqoop.manager.GenericJdbcManager. Please specify explicitly which connection manager should be used next time.
17/03/02 19:44:28 INFO manager.SqlManager: Using default fetchSize of 1000
17/03/02 19:44:28 INFO tool.CodeGenTool: Beginning code generation
17/03/02 19:44:40 INFO manager.SqlManager: Executing SQL statement: SELECT t.* FROM ABCSCHEMA.ABCTABLE AS t WHERE 1=0
17/03/02 19:44:40 ERROR manager.SqlManager: Error executing statement: java.sql.SQLSyntaxErrorException: ORA-00933: SQL command not properly ended
java.sql.SQLSyntaxErrorException: ORA-00933: SQL command not properly ended
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:445)
at oracle.jdbc.driver.T4CTTIoer.processError(T4CTTIoer.java:396)
at oracle.jdbc.driver.T4C8Oall.processError(T4C8Oall.java:879)
Solution :
1.Table name should be capital :
SqoopOptions.setTableName("ABCSCHEMA.ABCTABLE");
String[] cols={"E_DATE","E_CATEGORY","E_COMPUTER","U_NAME","IPADDRESS","D_NAME","R_INSERT_DATE"};
SqoopOptions.setColumns(cols);
SqoopOptions.setWhereClause("R_INSERT_DATE >=to_date('31-12-1900','DD-MM-YYYY')");
2. Dont Specify Driver name in your program using below commands (refer this : https://issues.apache.org/jira/browse/SQOOP-457 )
So below lines not required in your program :
// SqoopOptions.setDriverClassName(DriverDomain);
//SqoopOptions.setConnManagerClassName("org.apache.sqoop.manager.GenericJdbcManager");
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02-09-2017
05:38 AM
When we run from terminal its running fine . We are getting issue while submitting program from local (using eclipse) and phoenix is in these servers(10.40.17.183,10.40.17.155,10.40.17.129). Can you please validate hbase-site.xml ( Do I need to place this file to hbase/conf and Phoenix/bin for all three servers/nodes) <?xml version="1.0"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<configuration>
<property>
<name>hbase.rootdir</name>
<value>hdfs://mycluster:8020/hbase</value>
</property>
<property>
<name>hbase.cluster.distributed</name>
<value>true</value>
</property>
<property>
<name>hbase.config.read.zookeeper.config</name>
<value>true</value>
</property>
<property>
<name>hbase.zookeeper.quorum</name>
<value>namenode1,namenode2,datanode2</value>
</property>
<property>
<name>hbase.zookeeper.property.dataDir</name>
<value>/DBHADOOP/installations/zookeeper-3.4.5/zookeeper/zk1</value>
</property>
<property>
<name>hbase.client.keyvalue.maxsize</name>
<value>0</value>
</property>
<property>
<name>hbase.client.scanner.timeout.period</name>
<value>600000</value>
</property>
<property>
<name>hbase.master</name>
<value>mycluster:60000</value>
<description>The host and port the HBase master runs at.
</description>
</property>
<property>
<name>hbase.regionserver.port</name>
<value>60020</value>
<description>The host and port the HBase master runs at.
</description>
</property>
<property>
<name>zookeeper.znode.parent</name>
<value>/hbase</value>
</property>
<property>
<name>hbase.zookeeper.peerport</name>
<value>2888</value>
</property>
<property>
<name>hbase.zookeeper.leaderport</name>
<value>3888</value>
</property>
<property>
<name>zookeeper.znode.clusterId</name>
<value>12345</value>
</property>
<property>
<name>hbase.zookeeper.property.clientPort</name>
<value>2181</value>
<description>Property from ZooKeeper's config zoo.cfg.
The port at which the clients will connect.
</description>
</property>
<property>
<name>hbase.rpc.timeout</name>
<value>120000</value>
<source>hbase-site.xml</source>
</property>
</configuration>
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02-08-2017
01:56 PM
Do we also need to open port 2888,3888 which is for peer and lead?
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02-08-2017
01:31 PM
As per jps HMaster running .. Please advice Server 1 :
[hadoop@CDCUDHDPDB3 ~]$ sudo jps 5992 RunJar 23297 QuorumPeerMain 23781 Jps 13428 RunJar 13086 JobHistoryServer 2137 ResourceManager 22604 HMaster 7266 Master Server 2 : [hadoop@CDCUDHDPDB2 ~]$ sudo jps 19481 Worker 26187 HRegionServer 22091 NodeManager 30755 Jps 21979 DataNode 21797 NameNode 30017 QuorumPeerMain 30680 -- process information unavailable 21896 DFSZKFailoverController 26312 HMaster Server 3: [hadoop@CDCUDHDPDB1 ~]$ sudo jps 11820 Jps 8936 HRegionServer 18514 QuorumPeerMain 8365 NodeManager 6455 Worker 11695 -- process information unavailable 8254 DataNode
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02-08-2017
09:09 AM
Josh Elser Please guide us
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02-08-2017
07:48 AM
This program we are submitting from Eclipse local and Phoenix store in remote server.
---------------------------------------------------------------------------------------
Java code:
public static String driverName = "org.apache.phoenix.jdbc.PhoenixDriver";
try {
Class.forName(driverName);
System.out.println("In try");
conn = DriverManager.getConnection("jdbc:phoenix:10.40.17.183,10.40.17.155,10.40.17.129:2181:/hbase","","");
System.out.println("Connected");
conn.createStatement().execute("create table IF NOT EXISTS TEST0702(mykey integer not null primary key, asset_name varchar(50),item_name varchar(50),country_org_name varchar(100),branch_org_name varchar(100),dc_name varchar(100),building_name varchar(100),floor_desc varchar(500),cubicle_id varchar(500),ws_no varchar(500),iou_name varchar(500),monthly_count integer,month_year varchar(200),project_no varchar(200),project_name varchar(500),project_id varchar(200),project_status varchar(200),completion_date varchar(200),start_date varchar(200))"); conn.commit();
System.out.println("Table Created!!");
}
Console Message : In try
log4j:WARN
No appenders could be found for logger
(org.apache.hadoop.conf.Configuration.deprecation).
log4j:WARN
Please initialize the log4j system properly.
log4j:WARN
See http://logging.apache.org/log4j/1.2/faq.html#noconfig for more
info. org.apache.phoenix.exception.PhoenixIOException:
org.apache.hadoop.hbase.MasterNotRunningException:
Can't get connection to ZooKeeper: KeeperErrorCode = OperationTimeout at
org.apache.phoenix.util.ServerUtil.parseServerException(ServerUtil.java:108) at
org.apache.phoenix.query.ConnectionQueryServicesImpl.ensureTableCreated(ConnectionQueryServicesImpl.java:890) at
org.apache.phoenix.query.ConnectionQueryServicesImpl.createTable(ConnectionQueryServicesImpl.java:1224) at
org.apache.phoenix.query.DelegateConnectionQueryServices.createTable(DelegateConnectionQueryServices.java:113) at
org.apache.phoenix.schema.MetaDataClient.createTableInternal(MetaDataClient.java:1937) at
org.apache.phoenix.schema.MetaDataClient.createTable(MetaDataClient.java:751) at
org.apache.phoenix.compile.CreateTableCompiler$2.execute(CreateTableCompiler.java:186) at
org.apache.phoenix.jdbc.PhoenixStatement$2.call(PhoenixStatement.java:314) at
org.apache.phoenix.jdbc.PhoenixStatement$2.call(PhoenixStatement.java:306) at
org.apache.phoenix.call.CallRunner.run(CallRunner.java:53) at
org.apache.phoenix.jdbc.PhoenixStatement.executeMutation(PhoenixStatement.java:304) at
org.apache.phoenix.jdbc.PhoenixStatement.executeUpdate(PhoenixStatement.java:1363) at
org.apache.phoenix.query.ConnectionQueryServicesImpl$12.call(ConnectionQueryServicesImpl.java:1911) at
org.apache.phoenix.query.ConnectionQueryServicesImpl$12.call(ConnectionQueryServicesImpl.java:1880) at
org.apache.phoenix.util.PhoenixContextExecutor.call(PhoenixContextExecutor.java:77) at
org.apache.phoenix.query.ConnectionQueryServicesImpl.init(ConnectionQueryServicesImpl.java:1880) at
org.apache.phoenix.jdbc.PhoenixDriver.getConnectionQueryServices(PhoenixDriver.java:180) at
org.apache.phoenix.jdbc.PhoenixEmbeddedDriver.connect(PhoenixEmbeddedDriver.java:132) at
org.apache.phoenix.jdbc.PhoenixDriver.connect(PhoenixDriver.java:151) at
java.sql.DriverManager.getConnection(DriverManager.java:571) at
java.sql.DriverManager.getConnection(DriverManager.java:215) at
PhoenixConnection.getConnection(PhoenixConnection.java:38) at
PhoenixConnection.main(PhoenixConnection.java:17) Caused
by: org.apache.hadoop.hbase.MasterNotRunningException:
org.apache.hadoop.hbase.MasterNotRunningException:
Can't get connection to ZooKeeper: KeeperErrorCode = OperationTimeout at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$StubMaker.makeStub(HConnectionManager.java:1698) at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$MasterServiceStubMaker.makeStub(HConnectionManager.java:1724) at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getKeepAliveMasterService(HConnectionManager.java:1931) at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.getHTableDescriptor(HConnectionManager.java:2732) at
org.apache.hadoop.hbase.client.HBaseAdmin.getTableDescriptor(HBaseAdmin.java:426) at
org.apache.hadoop.hbase.client.HBaseAdmin.getTableDescriptor(HBaseAdmin.java:431) at
org.apache.phoenix.query.ConnectionQueryServicesImpl.ensureTableCreated(ConnectionQueryServicesImpl.java:824) ...
21 more Caused
by: org.apache.hadoop.hbase.MasterNotRunningException:
Can't get connection to ZooKeeper: KeeperErrorCode = OperationTimeout at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.checkIfBaseNodeAvailable(HConnectionManager.java:934) at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.access$600(HConnectionManager.java:597) at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$StubMaker.makeStubNoRetries(HConnectionManager.java:1624) at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation$StubMaker.makeStub(HConnectionManager.java:1670) ...
27 more Caused
by: org.apache.zookeeper.KeeperException$OperationTimeoutException:
KeeperErrorCode = OperationTimeout at
org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.checkZk(RecoverableZooKeeper.java:145) at
org.apache.hadoop.hbase.zookeeper.RecoverableZooKeeper.exists(RecoverableZooKeeper.java:222) at
org.apache.hadoop.hbase.zookeeper.ZKUtil.checkExists(ZKUtil.java:481) at
org.apache.hadoop.hbase.client.HConnectionManager$HConnectionImplementation.checkIfBaseNodeAvailable(HConnectionManager.java:923) ...
30 more
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Apache Phoenix
11-21-2016
06:44 AM
This issue is solved now . Thanks
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