hadoop-core.jar中不存在org.apache.hadoop.conf.Configuration [英] org.apache.hadoop.conf.Configuration does not exist in hadoop-core.jar

问题描述

我正在用Java写一个HBase客户端。第一行，coz，看起来像这样：

import org.apache.hadoop.conf.Configuration;

我使用的是Cloudera CDH4.3.1，因此软件包版本应该是：

  hadoop-2.0.0 + 1367 
 hbase-0.94.6 + 106 
  

== 更新 ==

我的pom.xml如下所示：

 <依赖关系> ; 
< groupId> org.apache.hadoop< / groupId> 
< artifactId> hadoop-core< / artifactId> 
< version> 2.0.0-mr1-cdh4.3.1< / version> 
< /依赖关系> 
 
 
< dependency> 
< groupId> org.apache.hbase< / groupId> 
< artifactId> hbase< / artifactId> 
< version> 0.94.6-cdh4.3.1< / version> 
< /依赖关系> 
  

但是不知何故，在hadoop-core.jar中，我没有看到任何org.apache的存在。 hadoop.conf.Configuration。结果，导入并没有被Java明显解决。

解决方案

将hadoop-common添加到您的pom.xml中

 < dependency> 
< groupId> org.apache.hadoop< / groupId> 
< artifactId> hadoop-common< / artifactId> 
< version> 2.0.0-cdh4.3.1< / version> 
< /依赖关系> 
  

I am writing an HBase client in Java. The first line, of coz, looks like this:

import org.apache.hadoop.conf.Configuration;

I am using Cloudera CDH4.3.1, so the package versions should be:

hadoop-2.0.0+1367
hbase-0.94.6+106

==Updated==

my pom.xml looks like this:

<dependency>
  <groupId>org.apache.hadoop</groupId>
  <artifactId>hadoop-core</artifactId>
  <version>2.0.0-mr1-cdh4.3.1</version>
</dependency>


<dependency>
  <groupId>org.apache.hbase</groupId>
  <artifactId>hbase</artifactId>
  <version>0.94.6-cdh4.3.1</version>
</dependency>

But somehow, in hadoop-core.jar, I am not seeing any existence of org.apache.hadoop.conf.Configuration. As the result of it, the import is not resolved by Java obviously.

解决方案

Add hadoop-common to your pom.xml

<dependency>                                                                                                                                       
    <groupId>org.apache.hadoop</groupId>                                                                                                           
    <artifactId>hadoop-common</artifactId>                                                                                                         
    <version>2.0.0-cdh4.3.1</version>                                                                                            
</dependency>   

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