又是一个缺少JAR 包导致的错误。
从apache网站上下载sqoop-1.4.3.tar.gz 解压后 运行sqloop 报错。
[hadoop@hadoop1 jobTracker]$ sqoop
Error: Could not find or load main class org.apache.sqoop.Sqoop
后来分析原因是缺少sqoop-1.4.3.jar 导致的。
不明白为何apache没有将此jar包含到sqoop-1.4.3.tar.gz中。
将此jar包放到$SQOOP_HOME/lib目录下，就可以正常运行sqoop工具了。
[hadoop@hadoop1 lib]$ sqoop help
usage: sqoop COMMAND [ARGS]
Available commands:
codegen Generate code to interact with database records
create-hive-table Import a table definition into Hive
eval Evaluate a SQL statement and display the results
export Export an HDFS directory to a database table
help List available commands
import Import a table from a database to HDFS
import-all-tables Import tables from a database to HDFS
job Work with saved jobs
list-databases List available databases on a server
list-tables List available tables in a database
merge Merge results of incremental imports
metastore Run a standalone Sqoop metastore
version Display version information
See 'sqoop help COMMAND' for information on a specific command.
从apache网站上下载sqoop-1.4.3.tar.gz 解压后 运行sqloop 报错。
[hadoop@hadoop1 jobTracker]$ sqoop
Error: Could not find or load main class org.apache.sqoop.Sqoop
后来分析原因是缺少sqoop-1.4.3.jar 导致的。
不明白为何apache没有将此jar包含到sqoop-1.4.3.tar.gz中。
将此jar包放到$SQOOP_HOME/lib目录下，就可以正常运行sqoop工具了。
[hadoop@hadoop1 lib]$ sqoop help
usage: sqoop COMMAND [ARGS]
Available commands:
codegen Generate code to interact with database records
create-hive-table Import a table definition into Hive
eval Evaluate a SQL statement and display the results
export Export an HDFS directory to a database table
help List available commands
import Import a table from a database to HDFS
import-all-tables Import tables from a database to HDFS
job Work with saved jobs
list-databases List available databases on a server
list-tables List available tables in a database
merge Merge results of incremental imports
metastore Run a standalone Sqoop metastore
version Display version information
See 'sqoop help COMMAND' for information on a specific command.
原文地址：http://blog.chinaunix.net/uid-22948773-id-3563685.html