Error: java.io.IOException: SQLException in nextKeyValue&SELECT command denied to user 'xxxxx'@'xxxx

报错信息如下：

 

Error: java.io.IOException: SQLException in nextKeyValue

at org.apache.sqoop.mapreduce.db.DBRecordReader.nextKeyValue(DBRecordReader.java:277)

at org.apache.hadoop.mapred.MapTask$NewTrackingRecordReader.nextKeyValue(MapTask.java:562)

at org.apache.hadoop.mapreduce.task.MapContextImpl.nextKeyValue(MapContextImpl.java:80)

at org.apache.hadoop.mapreduce.lib.map.WrappedMapper$Context.nextKeyValue(WrappedMapper.java:91)

at org.apache.hadoop.mapreduce.Mapper.run(Mapper.java:144)

at org.apache.sqoop.mapreduce.AutoProgressMapper.run(AutoProgressMapper.java:64)

at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:793)

at org.apache.hadoop.mapred.MapTask.run(MapTask.java:341)

at org.apache.hadoop.mapred.YarnChild$2.run(YarnChild.java:164)

at java.security.AccessController.doPrivileged(Native Method)

at javax.security.auth.Subject.doAs(Subject.java:422)

at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1917)

at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)

Caused by: com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: SELECT command denied to user ‘root’@'ip' for table 'table_name'

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:425)

at com.mysql.jdbc.Util.getInstance(Util.java:408)

at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:943)

at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3973)

at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3909)

at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2527)

at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2680)

at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2487)

at com.mysql.jdbc.PreparedStatement.executeInternal(PreparedStatement.java:1858)

at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:1966)

at org.apache.sqoop.mapreduce.db.DBRecordReader.executeQuery(DBRecordReader.java:111)

at org.apache.sqoop.mapreduce.db.DBRecordReader.nextKeyValue(DBRecordReader.java:235)

... 12 more



20/02/11 20:44:12 INFO mapreduce.Job:  map 100% reduce 0%

20/02/11 20:44:13 INFO mapreduce.Job: Job job_1576953596014_62638 failed with state FAILED due to: Task failed task_1576953596014_62638_m_000000

Job failed as tasks failed. failedMaps:1 failedReduces:0

我们筛选错误信息的关键：

关键一：

Error: java.io.IOException: SQLException in nextKeyValue

 

关键二：

SELECT command denied to user ‘root’@'ip' for table ‘table_name'

 

问题排查：

关键一排查：数据类型的问题，不兼容；

关键二排查：当前节点访问服务器权限问题；