【Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected】

文章插图
找到接口org . Apache . Hadoop . MapReduce . job context，但需要类找到接口org . Apache . Hadoop . MapReduce . job context，对但需要类的介绍:环境:hadoop2.2，sqoop 1.44-2.0正在执行sqoop导入-连接JDBC:MySQL://192 . 168 . 1 . 107:3306/Digta \-u

• 网页触发404 not found提示的原因 浏览器打开出现404
• found是什么意思 find是什么意思
• found的过去式和原型
• mapreduce操作hbase报错NoClassDefFoundError
• Exception in thread "Thread-8" java.lang.NoClassDefFoundError: Could not initialize class javax.crypto.SunJCE_
• Class not found: com.flyfox.component.config.BaseConfig
• OpenOffice或LibreOffice在Centos启动服务出现no suitable windowing system found, exiting.
• maven项目导入eclipse 错误提示：cvc-complex-type.2.4.a: Invalid content was found starting with element 'dependency'.
• org.apache.struts2.views.jsp.ui.AnchorTag ErrorPage中出现了The tag handler class for "s:a" was not found on the
• 错误: 找不到或无法加载主类 org.apache.hadoop.hdfs.server.namenode.NameNode