嘗試從mysql使用sqoop導入表

Question

在這裏，我想從sqoop導入數據庫從MySQL。當我正在嘗試時，我收到了錯誤。請問任何人都可以幫我

[root@sandbox ~]# sqoop import-all-tables -m 12 --connect  "jdbc:mysql://sandbox.hortonworks.com:3306/retail_db" --username=retail_dba -P --    as-avrodatafile --warehouse-dir=/apps/hive/warehouse/retail_stage.db 
Warning: /usr/hdp/2.4.0.0-169/accumulo does not exist! Accumulo imports will fail. 
Please set $ACCUMULO_HOME to the root of your Accumulo installation. 
16/05/22 16:12:48 INFO sqoop.Sqoop: Running Sqoop version: 1.4.6.2.4.0.0-169 
Enter password: 
16/05/22 16:12:52 INFO manager.MySQLManager: Preparing to use a MySQL  streaming resultset. 
SLF4J: Class path contains multiple SLF4J bindings. 
SLF4J: Found binding in [jar:file:/usr/hdp/2.4.0.0-169/hadoop/lib/slf4j-  log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class] 
SLF4J: Found binding in [jar:file:/usr/hdp/2.4.0.0-169/zookeeper/lib/slf4j- log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class] 
SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an  explanation. 
SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory] 
16/05/22 16:12:53 INFO tool.CodeGenTool: Beginning code generation 
16/05/22 16:12:53 INFO manager.SqlManager: Executing SQL statement: SELECT  t.* FROM `categories` AS t LIMIT 1 
16/05/22 16:12:53 INFO manager.SqlManager: Executing SQL statement: SELECT  t.* FROM `categories` AS t LIMIT 1 
16/05/22 16:12:53 INFO orm.CompilationManager: HADOOP_MAPRED_HOME is  /usr/hdp/2.4.0.0-169/hadoop-mapreduce 
Note: /tmp/sqoop- root/compile/9a872a9731ab3cb2920a1910153051ff/categories.java uses or overrides a  deprecated API. 
Note: Recompile with -Xlint:deprecation for details. 
16/05/22 16:12:58 INFO orm.CompilationManager: Writing jar file: /tmp/sqoop- root/compile/9a872a9731ab3cb2920a1910153051ff/categories.jar 
16/05/22 16:12:58 WARN manager.MySQLManager: It looks like you are importing  from mysql. 
16/05/22 16:12:58 WARN manager.MySQLManager: This transfer can be faster! Use  the --direct 
16/05/22 16:12:58 WARN manager.MySQLManager: option to exercise a MySQL- specific fast path. 
16/05/22 16:12:58 INFO manager.MySQLManager: Setting zero DATETIME behavior to convertToNull (mysql) 
16/05/22 16:12:58 INFO mapreduce.ImportJobBase: Beginning import of  categories 
16/05/22 16:13:01 INFO manager.SqlManager: Executing SQL statement: SELECT  t.* FROM `categories` AS t LIMIT 1 
16/05/22 16:13:01 INFO mapreduce.DataDrivenImportJob: Writing Avro schema  file: /tmp/sqoop-root/compile/9a872a9731ab3cb2920a1910153051ff/ca    tegories.avsc 
16/05/22 16:13:02 INFO impl.TimelineClientImpl: Timeline service address:  http://sandbox.hortonworks.com:8188/ws/v1/timeline/ 
16/05/22 16:13:02 INFO client.RMProxy: Connecting to ResourceManager at  sandbox.hortonworks.com/10.0.0.4:8050 
16/05/22 16:13:04 INFO ipc.Client: Retrying connect to server:  sandbox.hortonworks.com/10.0.0.4:8050. Already tried 0 time(s); retry policy    is RetryUpToMaximumCountWithFixedSleep(maxRetries=50, sleepTime=1000  MILLISECONDS) 
16/05/22 16:13:05 INFO ipc.Client: Retrying connect to server:  sandbox.hortonworks.com/10.0.0.4:8050. Already tried 1 time(s); retry policy    is RetryUpToMaximumCountWithFixedSleep(maxRetries=50, sleepTime=1000  MILLISECONDS) 
16/05/22 16:13:06 INFO ipc.Client: Retrying connect to server:  sandbox.hortonworks.com/10.0.0.4:8050. Already tried 2 time(s); retry policy    is RetryUpToMaximumCountWithFixedSleep(maxRetries=50, sleepTime=1000  MILLISECONDS) 
16/05/22 16:13:07 INFO ipc.Client: Retrying connect to server:  sandbox.hortonworks.com/10.0.0.4:8050. Already tried 3 time(s); retry policy    is RetryUpToMaximumCountWithFixedSleep(maxRetries=50, sleepTime=1000  MILLISECONDS) 

Answer 1

看起來好像NameNode有問題。

請namenode的檢查日誌在$ HADOOP_HOME /日誌/ namenode.log

檢查是Hadoop是在向上http://localhost:50070