什么是Cassandra2.0支持的hadoop版本

fivyi3re  于 2021-06-03  发布在  Hadoop
关注(0)|答案(2)|浏览(342)

我在hadoop2.2.0中编写了一个作业,它读取一个输入文件,并在cassandra2.0中批量加载数据
但是我得到了错误(这是因为编译和执行中使用的hadoop的分布不同)

[root@hadoopslave ~]# hadoop jar ultra-bulkloader-hadoop.jar
14/07/10 01:08:01 INFO client.RMProxy: Connecting to ResourceManager at /10.211.212.157:8040
Exception in thread "main" java.lang.IncompatibleClassChangeError: Found interface org.apache.hadoop.mapreduce.JobContext, but class was expected
    at org.apache.cassandra.hadoop.BulkOutputFormat.checkOutputSpecs(BulkOutputFormat.java:35)
    at org.apache.hadoop.mapreduce.JobSubmitter.checkSpecs(JobSubmitter.java:456)
    at org.apache.hadoop.mapreduce.JobSubmitter.submitJobInternal(JobSubmitter.java:342)
    at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1268)
    at org.apache.hadoop.mapreduce.Job$10.run(Job.java:1265)
    at java.security.AccessController.doPrivileged(Native Method)
    at javax.security.auth.Subject.doAs(Subject.java:415)
    at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1491)
    at org.apache.hadoop.mapreduce.Job.submit(Job.java:1265)
    at org.apache.hadoop.mapreduce.Job.waitForCompletion(Job.java:1286)
    at com.home.task.hadoop.bulkloader.BulkLoaderDriver.run(BulkLoaderDriver.java:38)
    at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:70)
    at org.apache.hadoop.util.ToolRunner.run(ToolRunner.java:84)
    at com.home.task.hadoop.bulkloader.BulkLoaderDriver.main(BulkLoaderDriver.java:42)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:606)
    at org.apache.hadoop.util.RunJar.main(RunJar.java:212)

Cassandra2.0支持什么版本的hadoop

xoefb8l8

xoefb8l81#

我修复了类似的问题,在运行cassandra2.0.7时,将api从cassandra1.1.1更新为cassandra2.0.7

<properties>                                                                                    
              <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>                      
~             <cassandra.version>2.0.7</cassandra.version>                                            
      </properties>  

          <dependency>                                                                                   
              <groupId>org.apache.cassandra</groupId>                                                    
              <artifactId>cassandra-all</artifactId>                                                     
              <version>${cassandra.version}</version>                                                    
              <exclusions>                                                                               
                  <exclusion>                                                                            
                      <artifactId>libthrift</artifactId>                                                 
                      <groupId>org.apache.thrift</groupId>                                               
                  </exclusion>                                                                           
              </exclusions>                                                                              
          </dependency>                                                                                  
          <dependency>                                                                                   
              <groupId>org.apache.cassandra</groupId>                                                    
              <artifactId>cassandra-thrift</artifactId>                                                                                               
              <version>${cassandra.version}</version>                                                    
              <exclusions>                                                                               
                  <exclusion>                                                                            
                      <artifactId>libthrift</artifactId>                                                 
                      <groupId>org.apache.thrift</groupId>                                               
                  </exclusion>                                                                           
              </exclusions>                                                                              
          </dependency>
4smxwvx5

4smxwvx52#

修复程序在cassandra 2.0.6上提供
https://issues.apache.org/jira/browse/cassandra-5201

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