sqoop 将 MySQL 表的数据导入到 hive 报错,怎么解决?

问答 歌唱祖国 ⋅ 于 2018-06-20 15:21:00 ⋅ 最后回复由 青牛 2018-07-06 17:04:53 ⋅ 3003 阅读

执行的脚本

$ sqoop import --hive-import --connect jdbc:mysql://localhost:3306/g?useSSL=false --username test --password test --table brand --fields-terminated-by '\t'  --delete-target-dir --num-mappers 1 --hive-database zc --hive-table brand

报错日志

Warning: /opt/cloudera/parcels/CDH-5.10.0-1.cdh5.10.0.p0.41/bin/../lib/sqoop/../accumulo does not exist! Accumulo imports will fail.
Please set $ACCUMULO_HOME to the root of your Accumulo installation.
18/06/20 03:14:24 INFO sqoop.Sqoop: Running Sqoop version: 1.4.6-cdh5.10.0
18/06/20 03:14:24 WARN tool.BaseSqoopTool: Setting your password on the command-line is insecure. Consider using -P instead.
18/06/20 03:14:25 INFO manager.MySQLManager: Preparing to use a MySQL streaming resultset.
18/06/20 03:14:25 INFO tool.CodeGenTool: Beginning code generation
18/06/20 03:14:25 INFO manager.SqlManager: Executing SQL statement: SELECT t.* FROM `rdt_traffic_shop_category_brand` AS t LIMIT 1
18/06/20 03:14:25 INFO manager.SqlManager: Executing SQL statement: SELECT t.* FROM `rdt_traffic_shop_category_brand` AS t LIMIT 1
18/06/20 03:14:25 INFO orm.CompilationManager: HADOOP_MAPRED_HOME is /opt/cloudera/parcels/CDH-5.10.0-1.cdh5.10.0.p0.41/bin/../lib/sqoop/../hadoop-mapreduce
Note: /tmp/sqoop-zc.lee/compile/d265b5ec2add35e82b37b2eac20fa566/rdt_traffic_shop_category_brand.java uses or overrides a deprecated API.
Note: Recompile with -Xlint:deprecation for details.
18/06/20 03:14:27 INFO orm.CompilationManager: Writing jar file: /tmp/sqoop-zc.lee/compile/d265b5ec2add35e82b37b2eac20fa566/rdt_traffic_shop_category_brand.jar
18/06/20 03:14:28 INFO tool.ImportTool: Destination directory rdt_traffic_shop_category_brand deleted.
18/06/20 03:14:28 WARN manager.MySQLManager: It looks like you are importing from mysql.
18/06/20 03:14:28 WARN manager.MySQLManager: This transfer can be faster! Use the --direct
18/06/20 03:14:28 WARN manager.MySQLManager: option to exercise a MySQL-specific fast path.
18/06/20 03:14:28 INFO manager.MySQLManager: Setting zero DATETIME behavior to convertToNull (mysql)
18/06/20 03:14:28 INFO mapreduce.ImportJobBase: Beginning import of rdt_traffic_shop_category_brand
18/06/20 03:14:28 INFO Configuration.deprecation: mapred.jar is deprecated. Instead, use mapreduce.job.jar
18/06/20 03:14:29 INFO Configuration.deprecation: mapred.map.tasks is deprecated. Instead, use mapreduce.job.maps
18/06/20 03:14:31 INFO db.DBInputFormat: Using read commited transaction isolation
18/06/20 03:14:31 INFO mapreduce.JobSubmitter: number of splits:1
18/06/20 03:14:31 INFO mapreduce.JobSubmitter: Submitting tokens for job: job_1529459556462_0003
18/06/20 03:14:31 INFO impl.YarnClientImpl: Submitted application application_1529459556462_0003
18/06/20 03:14:31 INFO mapreduce.Job: The url to track the job: http://ip-172-32-2-20.cn-north-1.compute.internal:8088/proxy/application_1529459556462_0003/
18/06/20 03:14:31 INFO mapreduce.Job: Running job: job_1529459556462_0003
18/06/20 03:14:38 INFO mapreduce.Job: Job job_1529459556462_0003 running in uber mode : false
18/06/20 03:14:38 INFO mapreduce.Job:  map 0% reduce 0%
18/06/20 03:14:43 INFO mapreduce.Job: Task Id : attempt_1529459556462_0003_m_000000_0, Status : FAILED
Error: java.lang.RuntimeException: java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
        at org.apache.sqoop.mapreduce.db.DBInputFormat.setDbConf(DBInputFormat.java:170)
        at org.apache.sqoop.mapreduce.db.DBInputFormat.setConf(DBInputFormat.java:161)
        at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:73)
        at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
        at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:749)
        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:415)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1796)
        at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Caused by: java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
        at org.apache.sqoop.mapreduce.db.DBInputFormat.getConnection(DBInputFormat.java:223)
        at org.apache.sqoop.mapreduce.db.DBInputFormat.setDbConf(DBInputFormat.java:168)
        ... 10 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
        at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:989)
        at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:341)
        at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2251)
        at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2284)
        at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2083)
        at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:806)
        at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
        at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:410)
        at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:328)
        at java.sql.DriverManager.getConnection(DriverManager.java:571)
        at java.sql.DriverManager.getConnection(DriverManager.java:215)
        at org.apache.sqoop.mapreduce.db.DBConfiguration.getConnection(DBConfiguration.java:302)
        at org.apache.sqoop.mapreduce.db.DBInputFormat.getConnection(DBInputFormat.java:216)
        ... 11 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 com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:211)
        at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:300)
        ... 27 more

18/06/20 03:14:47 INFO mapreduce.Job: Task Id : attempt_1529459556462_0003_m_000000_1, Status : FAILED
Error: java.lang.RuntimeException: java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
        at org.apache.sqoop.mapreduce.db.DBInputFormat.setDbConf(DBInputFormat.java:170)
        at org.apache.sqoop.mapreduce.db.DBInputFormat.setConf(DBInputFormat.java:161)
        at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:73)
        at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
        at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:749)
        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:415)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1796)
        at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Caused by: java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
        at org.apache.sqoop.mapreduce.db.DBInputFormat.getConnection(DBInputFormat.java:223)
        at org.apache.sqoop.mapreduce.db.DBInputFormat.setDbConf(DBInputFormat.java:168)
        ... 10 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
        at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:989)
        at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:341)
        at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2251)
        at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2284)
        at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2083)
        at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:806)
        at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
        at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:410)
        at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:328)
        at java.sql.DriverManager.getConnection(DriverManager.java:571)
        at java.sql.DriverManager.getConnection(DriverManager.java:215)
        at org.apache.sqoop.mapreduce.db.DBConfiguration.getConnection(DBConfiguration.java:302)
        at org.apache.sqoop.mapreduce.db.DBInputFormat.getConnection(DBInputFormat.java:216)
        ... 11 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 com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:211)
        at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:300)
        ... 27 more

18/06/20 03:14:53 INFO mapreduce.Job: Task Id : attempt_1529459556462_0003_m_000000_2, Status : FAILED
Error: java.lang.RuntimeException: java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
        at org.apache.sqoop.mapreduce.db.DBInputFormat.setDbConf(DBInputFormat.java:170)
        at org.apache.sqoop.mapreduce.db.DBInputFormat.setConf(DBInputFormat.java:161)
        at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:73)
        at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:133)
        at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:749)
        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:415)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1796)
        at org.apache.hadoop.mapred.YarnChild.main(YarnChild.java:158)
Caused by: java.lang.RuntimeException: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
        at org.apache.sqoop.mapreduce.db.DBInputFormat.getConnection(DBInputFormat.java:223)
        at org.apache.sqoop.mapreduce.db.DBInputFormat.setDbConf(DBInputFormat.java:168)
        ... 10 more
Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
        at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:989)
        at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:341)
        at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2251)
        at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2284)
        at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2083)
        at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:806)
        at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
        at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:57)
        at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:526)
        at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
        at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:410)
        at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:328)
        at java.sql.DriverManager.getConnection(DriverManager.java:571)
        at java.sql.DriverManager.getConnection(DriverManager.java:215)
        at org.apache.sqoop.mapreduce.db.DBConfiguration.getConnection(DBConfiguration.java:302)
        at org.apache.sqoop.mapreduce.db.DBInputFormat.getConnection(DBInputFormat.java:216)
        ... 11 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 com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:211)
        at com.mysql.jdbc.MysqlIO.<init>(MysqlIO.java:300)
        ... 27 more

18/06/20 03:14:58 INFO mapreduce.Job:  map 100% reduce 0%
18/06/20 03:14:58 INFO mapreduce.Job: Job job_1529459556462_0003 failed with state FAILED due to: Task failed task_1529459556462_0003_m_000000
Job failed as tasks failed. failedMaps:1 failedReduces:0

18/06/20 03:14:58 INFO mapreduce.Job: Counters: 8
        Job Counters
                Failed map tasks=4
                Launched map tasks=4
                Other local map tasks=4
                Total time spent by all maps in occupied slots (ms)=13540
                Total time spent by all reduces in occupied slots (ms)=0
                Total time spent by all map tasks (ms)=13540
                Total vcore-seconds taken by all map tasks=13540
                Total megabyte-seconds taken by all map tasks=13864960
18/06/20 03:14:58 WARN mapreduce.Counters: Group FileSystemCounters is deprecated. Use org.apache.hadoop.mapreduce.FileSystemCounter instead
18/06/20 03:14:58 INFO mapreduce.ImportJobBase: Transferred 0 bytes in 29.3537 seconds (0 bytes/sec)
18/06/20 03:14:58 WARN mapreduce.Counters: Group org.apache.hadoop.mapred.Task$Counter is deprecated. Use org.apache.hadoop.mapreduce.TaskCounter instead
18/06/20 03:14:58 INFO mapreduce.ImportJobBase: Retrieved 0 records.
18/06/20 03:14:58 ERROR tool.ImportTool: Error during import: Import job failed!
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回复数量: 5
  • 青牛 国内首批大数据从业者,就职于金山,担任大数据团队核心研发工程师
    2018-06-21 16:57:57

    执行mapper的那台机器不能连接你的mysql库,看一下是不是test用户限制了访问IP

  • 歌唱祖国 不要跟过去的自己比,要期待未来的自己,珍爱现在的自己。
    2018-06-26 16:28:31

    @青牛 是不是sqoop在导表的时候用的是mysqldump会锁表吗,是不是要给这个用户更高的权限而不是仅仅只读权限

  • 青牛 国内首批大数据从业者,就职于金山,担任大数据团队核心研发工程师
    2018-06-28 18:00:33

    @歌唱祖国 不会锁表,不建议给更高权限,读取的那就用只读就行了

  • 歌唱祖国 不要跟过去的自己比,要期待未来的自己,珍爱现在的自己。
    2018-07-04 14:34:52

    @青牛 我大概知道是上面原因了,因为我的jdbc上面用的是localhost+端口,然而只有当前的机器做了端口映射,然而sqoop抽数底层的原理是去跑mapreduce,当把任务分配hadoop集群的其他node,在这些worker上面也是调用localhost,但是这些worker上面没有做端口映射所以他们没有能够连接到数据库,导致mapreduce失败,没有办法抽数。

  • 青牛 国内首批大数据从业者,就职于金山,担任大数据团队核心研发工程师
    2018-07-06 17:04:53

    @歌唱祖国 哈哈都localhost了,集群上指定连接不上

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