hbase运行报错：Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/HBaseCo

原创

*黑桃~A*#丨 2021-06-04 16:50:23 ©著作权

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Hbase,运行时报错。。。！

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop/hbase/HBaseConfiguration
        at com.z.hbase.demo.mr1.Fruit2FruitMRJob.main(Fruit2FruitMRJob.java:18)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:498)
        at org.apache.hadoop.util.RunJar.run(RunJar.java:221)
        at org.apache.hadoop.util.RunJar.main(RunJar.java:136)
Caused by: java.lang.ClassNotFoundException: org.apache.hadoop.hbase.HBaseConfiguration
        at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
        ... 7 more

需要先执行这个三个命令：

$ export HBASE_HOME=/opt/module/hbase-1.3.1 //自己hbase的目录

$ export HADOOP_HOME=/opt/module/hadoop-2.7.2 //自己hadoop的目录

$ export HADOOP_CLASSPATH=`${HBASE_HOME}/bin/hbase mapredcp`