运行Sqoop是我们发现如下报错：
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/lang/StringUtils
at org.apache.sqoop.tool.BaseSqoopTool.validateHiveOptions(BaseSqoopTool.java:1583)
at org.apache.sqoop.tool.ImportTool.validateOptions(ImportTool.java:1178)
at org.apache.sqoop.Sqoop.run(Sqoop.java:137)
at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:76)
at org.apache.sqoop.Sqoop.runSqoop(Sqoop.java:183)
at org.apache.sqoop.Sqoop.runTool(Sqoop.java:234)
at org.apache.sqoop.Sqoop.runTool(Sqoop.java:243)
at org.apache.sqoop.Sqoop.main(Sqoop.java:252)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.lang.StringUtils
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 8 more
解决办法：
在apache 上下载commons-lang-2.6.jar包并上传到sqoop的lib下即可，下载地址：点击下载
