Hi, I am trying to import table from oracle hdfs. i am getting the following error
ERROR manager.SqlManager: Error executing statement: java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection any work around this. the query is: sqoop import --connect jdbc:oracle:thin:@//ramesh.ops.cloudwick.com/cloud--username ramesh --password password --table cloud.test -m 1 the output is as follows; [root@ramesh ram]# sqoop import --connect jdbc:oracle:thin:@// ramesh.ops.cloudwick.com/cloud --username ramesh --password password --table cloud.test -m 1 Warning: /usr/lib/hbase does not exist! HBase imports will fail. Please set $HBASE_HOME to the root of your HBase installation. 13/08/31 12:27:27 WARN tool.BaseSqoopTool: Setting your password on the command-line is insecure. Consider using -P instead. 13/08/31 12:27:27 INFO manager.SqlManager: Using default fetchSize of 1000 13/08/31 12:27:27 INFO tool.CodeGenTool: Beginning code generation 13/08/31 12:27:27 ERROR manager.SqlManager: Error executing statement: java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:458) at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:546) at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:236) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:521) at java.sql.DriverManager.getConnection(DriverManager.java:571) at java.sql.DriverManager.getConnection(DriverManager.java:215) at org.apache.sqoop.manager.OracleManager.makeConnection(OracleManager.java:313) at org.apache.sqoop.manager.GenericJdbcManager.getConnection(GenericJdbcManager.java:52) at org.apache.sqoop.manager.SqlManager.execute(SqlManager.java:605) at org.apache.sqoop.manager.SqlManager.execute(SqlManager.java:628) at org.apache.sqoop.manager.SqlManager.getColumnTypesForRawQuery(SqlManager.java:235) at org.apache.sqoop.manager.SqlManager.getColumnTypes(SqlManager.java:219) at org.apache.sqoop.manager.ConnManager.getColumnTypes(ConnManager.java:347) at org.apache.sqoop.orm.ClassWriter.getColumnTypes(ClassWriter.java:1255) at org.apache.sqoop.orm.ClassWriter.generate(ClassWriter.java:1072) at org.apache.sqoop.tool.CodeGenTool.generateORM(CodeGenTool.java:82) at org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:390) at org.apache.sqoop.tool.ImportTool.run(ImportTool.java:476) at org.apache.sqoop.Sqoop.run(Sqoop.java:145) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:181) at org.apache.sqoop.Sqoop.runTool(Sqoop.java:220) at org.apache.sqoop.Sqoop.runTool(Sqoop.java:229) at org.apache.sqoop.Sqoop.main(Sqoop.java:238) Caused by: oracle.net.ns.NetException: The Network Adapter could not establish the connection at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:392) at oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:434) at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:687) at oracle.net.ns.NSProtocol.connect(NSProtocol.java:247) at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1102) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:320) ... 24 more Caused by: java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:579) at oracle.net.nt.TcpNTAdapter.connect(TcpNTAdapter.java:150) at oracle.net.nt.ConnOption.connect(ConnOption.java:133) at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:370) ... 29 more 13/08/31 12:27:27 ERROR manager.OracleManager: Failed to rollback transaction java.lang.NullPointerException at org.apache.sqoop.manager.OracleManager.getColumnNames(OracleManager.java:744) at org.apache.sqoop.orm.ClassWriter.getColumnNames(ClassWriter.java:1222) at org.apache.sqoop.orm.ClassWriter.generate(ClassWriter.java:1074) at org.apache.sqoop.tool.CodeGenTool.generateORM(CodeGenTool.java:82) at org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:390) at org.apache.sqoop.tool.ImportTool.run(ImportTool.java:476) at org.apache.sqoop.Sqoop.run(Sqoop.java:145) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:181) at org.apache.sqoop.Sqoop.runTool(Sqoop.java:220) at org.apache.sqoop.Sqoop.runTool(Sqoop.java:229) at org.apache.sqoop.Sqoop.main(Sqoop.java:238) 13/08/31 12:27:27 ERROR manager.OracleManager: Failed to list columns java.sql.SQLRecoverableException: IO Error: The Network Adapter could not establish the connection at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:458) at oracle.jdbc.driver.PhysicalConnection.<init>(PhysicalConnection.java:546) at oracle.jdbc.driver.T4CConnection.<init>(T4CConnection.java:236) at oracle.jdbc.driver.T4CDriverExtension.getConnection(T4CDriverExtension.java:32) at oracle.jdbc.driver.OracleDriver.connect(OracleDriver.java:521) at java.sql.DriverManager.getConnection(DriverManager.java:571) at java.sql.DriverManager.getConnection(DriverManager.java:215) at org.apache.sqoop.manager.OracleManager.makeConnection(OracleManager.java:313) at org.apache.sqoop.manager.GenericJdbcManager.getConnection(GenericJdbcManager.java:52) at org.apache.sqoop.manager.OracleManager.getColumnNames(OracleManager.java:728) at org.apache.sqoop.orm.ClassWriter.getColumnNames(ClassWriter.java:1222) at org.apache.sqoop.orm.ClassWriter.generate(ClassWriter.java:1074) at org.apache.sqoop.tool.CodeGenTool.generateORM(CodeGenTool.java:82) at org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:390) at org.apache.sqoop.tool.ImportTool.run(ImportTool.java:476) at org.apache.sqoop.Sqoop.run(Sqoop.java:145) at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:65) at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:181) at org.apache.sqoop.Sqoop.runTool(Sqoop.java:220) at org.apache.sqoop.Sqoop.runTool(Sqoop.java:229) at org.apache.sqoop.Sqoop.main(Sqoop.java:238) Caused by: oracle.net.ns.NetException: The Network Adapter could not establish the connection at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:392) at oracle.net.resolver.AddrResolution.resolveAndExecute(AddrResolution.java:434) at oracle.net.ns.NSProtocol.establishConnection(NSProtocol.java:687) at oracle.net.ns.NSProtocol.connect(NSProtocol.java:247) at oracle.jdbc.driver.T4CConnection.connect(T4CConnection.java:1102) at oracle.jdbc.driver.T4CConnection.logon(T4CConnection.java:320) ... 20 more Caused by: java.net.ConnectException: Connection refused at java.net.PlainSocketImpl.socketConnect(Native Method) at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:339) at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:200) at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:182) at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) at java.net.Socket.connect(Socket.java:579) at oracle.net.nt.TcpNTAdapter.connect(TcpNTAdapter.java:150) at oracle.net.nt.ConnOption.connect(ConnOption.java:133) at oracle.net.nt.ConnStrategy.execute(ConnStrategy.java:370) ... 25 more 13/08/31 12:27:27 ERROR tool.ImportTool: Imported Failed: Attempted to generate class with no columns! [root@ramesh ram]# Thanks, Ramesh.
