尝试使用sqoop从mysql数据库列出数据库时出现以下错误。我使用的是Cloudera VM CDH4,默认情况下预先安装的是MySql。我根据cloudera教程安装了MySql。现在我试图从MySQl列出数据库,但它失败了。是否有任何jdbc连接问题?
[cloudera@localhost ~]$ sqoop list-databases --connect "jdbc:mysql://localhost.localdomain" --user root --password aaaaaaaa
Warning: /usr/lib/sqoop/../accumulo does not exist! Accumulo imports will fail.
Please set $ACCUMULO_HOME to the root of your Accumulo installation.
14/12/17 11:52:07 INFO sqoop.Sqoop: Running Sqoop version: 1.4.3-cdh4.7.0
14/12/17 11:52:07 ERROR tool.BaseSqoopTool: Error parsing arguments for list-databases:
14/12/17 11:52:07 ERROR tool.BaseSqoopTool: Unrecognized argument: --user
14/12/17 11:52:07 ERROR tool.BaseSqoopTool: Unrecognized argument: root
14/12/17 11:52:07 ERROR tool.BaseSqoopTool: Unrecognized argument: --password
14/12/17 11:52:07 ERROR tool.BaseSqoopTool: Unrecognized argument: aaaaaaaa
Try --help for usage instructions.
usage: sqoop list-databases [GENERIC-ARGS] [TOOL-ARGS]
Common arguments:
--connect <jdbc-uri> Specify JDBC connect
string
--connection-manager <class-name> Specify connection manager
class name
--connection-param-file <properties-file> Specify connection
parameters file
--driver <class-name> Manually specify JDBC
driver class to use
--hadoop-home <hdir> Override
$HADOOP_MAPRED_HOME_ARG
--hadoop-mapred-home <dir> Override
$HADOOP_MAPRED_HOME_ARG
--help Print usage instructions
-P Read password from console
--password <password> Set authentication
password
--password-file <password-file> Set authentication
password file path
--skip-dist-cache Skip copying jars to
distributed cache
--username <username> Set authentication
username
--verbose Print more information
while working
Generic Hadoop command-line arguments:
(must preceed any tool-specific arguments)
Generic options supported are
-conf <configuration file> specify an application configuration file
-D <property=value> use value for given property
-fs <local|namenode:port> specify a namenode
-jt <local|jobtracker:port> specify a job tracker
-files <comma separated list of files> specify comma separated files to be copied to the map reduce cluster
-libjars <comma separated list of jars> specify comma separated jar files to include in the classpath.
-archives <comma separated list of archives> specify comma separated archives to be unarchived on the compute machines.
The general command line syntax is
bin/hadoop command [genericOptions] [commandOptions]
答案 0 :(得分:2)
请改为尝试:
sqoop list-databases --connect jdbc:mysql://localhost \
--username root \
--password aaaaaaaa
问题是Sqoop没有选项--user
,而是您必须使用--username
。