sqoop导入sql数据权限不够

 

24/10/06 18:00:32 INFO sqoop.Sqoop: Running Sqoop version: 1.4.6
24/10/06 18:00:32 WARN tool.BaseSqoopTool: Setting your password on the command-line is insecure. Consider using -P instead.
24/10/06 18:00:32 INFO manager.MySQLManager: Preparing to use a MySQL streaming resultset.
24/10/06 18:00:32 INFO tool.CodeGenTool: Beginning code generation
24/10/06 18:00:32 ERROR manager.SqlManager: Error executing statement: java.sql.SQLException: null,  message from server: "Host 'master' is not allowed to connect to this MySQL server"
java.sql.SQLException: null,  message from server: "Host 'master' is not allowed to connect to this MySQL server"
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1094)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:997)
        at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:983)
        at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1111)
        at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2494)
        at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2527)
        at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2309)
        at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:834)
        at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:46)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:408)
        at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:419)
        at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:344)
        at java.sql.DriverManager.getConnection(DriverManager.java:664)
        at java.sql.DriverManager.getConnection(DriverManager.java:247)
        at org.apache.sqoop.manager.SqlManager.makeConnection(SqlManager.java:885)
        at org.apache.sqoop.manager.GenericJdbcManager.getConnection(GenericJdbcManager.java:52)
        at org.apache.sqoop.manager.SqlManager.execute(SqlManager.java:744)
        at org.apache.sqoop.manager.SqlManager.execute(SqlManager.java:767)
        at org.apache.sqoop.manager.SqlManager.getColumnInfoForRawQuery(SqlManager.java:270)
        at org.apache.sqoop.manager.SqlManager.getColumnTypesForRawQuery(SqlManager.java:241)
        at org.apache.sqoop.manager.SqlManager.getColumnTypes(SqlManager.java:227)
        at org.apache.sqoop.manager.ConnManager.getColumnTypes(ConnManager.java:295)
        at org.apache.sqoop.orm.ClassWriter.getColumnTypes(ClassWriter.java:1833)
        at org.apache.sqoop.orm.ClassWriter.generate(ClassWriter.java:1645)
        at org.apache.sqoop.tool.CodeGenTool.generateORM(CodeGenTool.java:107)
        at org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:478)
        at org.apache.sqoop.tool.ImportTool.run(ImportTool.java:605)
        at org.apache.sqoop.Sqoop.run(Sqoop.java:143)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
        at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:179)
        at org.apache.sqoop.Sqoop.runTool(Sqoop.java:218)
        at org.apache.sqoop.Sqoop.runTool(Sqoop.java:227)
        at org.apache.sqoop.Sqoop.main(Sqoop.java:236)
24/10/06 18:00:32 ERROR tool.ImportTool: Encountered IOException running import job: java.io.IOException: No columns to generate for ClassWriter
        at org.apache.sqoop.orm.ClassWriter.generate(ClassWriter.java:1651)
        at org.apache.sqoop.tool.CodeGenTool.generateORM(CodeGenTool.java:107)
        at org.apache.sqoop.tool.ImportTool.importTable(ImportTool.java:478)
        at org.apache.sqoop.tool.ImportTool.run(ImportTool.java:605)
        at org.apache.sqoop.Sqoop.run(Sqoop.java:143)
        at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
        at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:179)
        at org.apache.sqoop.Sqoop.runTool(Sqoop.java:218)
        at org.apache.sqoop.Sqoop.runTool(Sqoop.java:227)
        at org.apache.sqoop.Sqoop.main(Sqoop.java:236)

 

 

这个错误的原因是mysql没有授权,需要进入mysql进行授权

 

grant all privileges on *.* to 'root'@'%' identified by '123456';

 

 

原文地址：https://blog.csdn.net/2301_77836489/article/details/142729923

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