2012-06-14 53 views
3

我正在尝试Hbase - bulkLoad通过Java MapReduce程序。 我正在Eclipse中运行我的程序。错误,同时批量加载hbase

但我收到以下错误:

12/06/14 20:04:28 INFO jvm.JvmMetrics: Initializing JVM Metrics with processName=JobTracker, sessionId= 
12/06/14 20:04:28 WARN util.NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 
12/06/14 20:04:29 WARN mapred.JobClient: Use GenericOptionsParser for parsing the arguments. Applications should implement Tool for the same. 
12/06/14 20:04:29 WARN mapred.JobClient: No job jar file set. User classes may not be found. See JobConf(Class) or JobConf#setJar(String). 
12/06/14 20:04:29 INFO input.FileInputFormat: Total input paths to process : 1 
12/06/14 20:04:29 WARN snappy.LoadSnappy: Snappy native library not loaded 
12/06/14 20:04:29 INFO mapred.JobClient: Running job: job_local_0001 
12/06/14 20:04:29 INFO mapred.MapTask: io.sort.mb = 100 
12/06/14 20:04:29 INFO mapred.MapTask: data buffer = 79691776/99614720 
12/06/14 20:04:29 INFO mapred.MapTask: record buffer = 262144/327680 
12/06/14 20:04:29 WARN mapred.LocalJobRunner: job_local_0001 
java.lang.IllegalArgumentException: Can't read partitions file 
    at org.apache.hadoop.hbase.mapreduce.hadoopbackport.TotalOrderPartitioner.setConf(TotalOrderPartitioner.java:111) 
    at org.apache.hadoop.util.ReflectionUtils.setConf(ReflectionUtils.java:62) 
    at org.apache.hadoop.util.ReflectionUtils.newInstance(ReflectionUtils.java:117) 
    at org.apache.hadoop.mapred.MapTask$NewOutputCollector.<init>(MapTask.java:560) 
    at org.apache.hadoop.mapred.MapTask.runNewMapper(MapTask.java:639) 
    at org.apache.hadoop.mapred.MapTask.run(MapTask.java:323) 
    at org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:210) 
Caused by: java.io.FileNotFoundException: File _partition.lst does not exist. 
    at org.apache.hadoop.fs.RawLocalFileSystem.getFileStatus(RawLocalFileSystem.java:383) 
    at org.apache.hadoop.fs.FilterFileSystem.getFileStatus(FilterFileSystem.java:251) 
    at org.apache.hadoop.fs.FileSystem.getLength(FileSystem.java:776) 
    at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1424) 
    at org.apache.hadoop.io.SequenceFile$Reader.<init>(SequenceFile.java:1419) 
    at org.apache.hadoop.hbase.mapreduce.hadoopbackport.TotalOrderPartitioner.readPartitions(TotalOrderPartitioner.java:296) 
    at org.apache.hadoop.hbase.mapreduce.hadoopbackport.TotalOrderPartitioner.setConf(TotalOrderPartitioner.java:82) 
    ... 6 more 
12/06/14 20:04:30 INFO mapred.JobClient: map 0% reduce 0% 
12/06/14 20:04:30 INFO mapred.JobClient: Job complete: job_local_0001 
12/06/14 20:04:30 INFO mapred.JobClient: Counters: 0 

我GOOGLE了很多,但没有找到任何解决办法。

我试图从控制台运行此相同的程序和下面的错误来了:

hadoop jar /home/user/hbase-0.90.4-cdh3u2/lib/zookeeper-3.3.3-cdh3u2.jar /home/user/hadoop-0.20.2-cdh3u2/Test.jar BulkLoadHBase_1 /bulkLoad.txt /out 
Exception in thread "main" java.lang.NoSuchMethodException: org.apache.zookeeper.server.quorum.QuorumPeer.main([Ljava.lang.String;) 
    at java.lang.Class.getMethod(Class.java:1605) 
    at org.apache.hadoop.util.RunJar.main(RunJar.java:180) 

我的代码:

import java.io.IOException; 
import org.apache.hadoop.conf.Configuration; 
import org.apache.hadoop.fs.Path; 
import org.apache.hadoop.hbase.HBaseConfiguration; 
import org.apache.hadoop.hbase.client.Put; 
import org.apache.hadoop.hbase.io.ImmutableBytesWritable; 
import org.apache.hadoop.hbase.mapreduce.HFileOutputFormat; 
import org.apache.hadoop.hbase.mapreduce.PutSortReducer; 
import org.apache.hadoop.hbase.mapreduce.hadoopbackport.TotalOrderPartitioner; 
import org.apache.hadoop.hbase.util.Bytes; 
import org.apache.hadoop.io.*; 
import org.apache.hadoop.mapreduce.Job; 
import org.apache.hadoop.mapreduce.Mapper; 
import org.apache.hadoop.mapreduce.lib.input.FileInputFormat; 
import org.apache.hadoop.mapreduce.lib.input.KeyValueTextInputFormat; 

public class BulkLoadHBase_1 { 

    public static class BulkLoadHBase_1Mapper 
      extends Mapper<Text, Text, ImmutableBytesWritable, Put>{ 

     public void map(Text key, Text value, Context context 
         ) throws IOException, InterruptedException { 

      System.out.println("KEY "+key.toString()); 
      System.out.println("VALUES : "+value); 
      System.out.println("Context : "+context); 

      ImmutableBytesWritable ibw = 
        new ImmutableBytesWritable(Bytes.toBytes(key.toString())); 

      String val = value.toString(); 
      byte[] b = Bytes.toBytes(val); 
      Put p = new Put(Bytes.toBytes(key.toString())); 

      p.add(Bytes.toBytes("cf"),Bytes.toBytes("c"),Bytes.toBytes(val)); 

      context.write(ibw, p); 
     } 
    } 

    public static void main(String[] args) throws Exception { 
     Configuration conf = new Configuration(); 

     Job job = new Job(conf, "bulk-load"); 

     job.setJarByClass(BulkLoadHBase_1.class); 
     job.setMapperClass(BulkLoadHBase_1Mapper.class); 

     job.setReducerClass(PutSortReducer.class); 
     job.setOutputKeyClass(ImmutableBytesWritable.class); 
     job.setOutputValueClass(Put.class); 
     job.setPartitionerClass(TotalOrderPartitioner.class); 
     job.setInputFormatClass(KeyValueTextInputFormat.class); 

     FileInputFormat.addInputPath(job, 
        new Path("/home/user/Desktop/bulkLoad.txt")); 
     HFileOutputFormat.setOutputPath(job, 
        new Path("/home/user/Desktop/HBASE_BulkOutput/"));  

     System.exit(job.waitForCompletion(true) ? 0 : 1); 
    } 
} 

回答

0

的问题是:这个程序需要在分布式模式中运行。并要求JAR应该发货...

4

你在分布式模式下启动的HBase? 如果是该行:

org.apache.hadoop.mapred.LocalJobRunner$Job.run(LocalJobRunner.java:210)

在您的堆栈跟踪显示地图降低作业在本地模式,而不是分布模式运行。

另请注意,如果您要从控制台内运行命令,您的输入文件必须驻留在您的常规(例如NTFS或EXT3)文件系统上的hadoop文件系统上。

问候

+0

有问题机智jar文件。 – pradeep

+1

不,我在本地模式下运行... 但之后,我摇摆到分布式模式...然后JAR概率进入图片.. – pradeep