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  • flume高级组件及各种报错

    1,one source two channel

    创建conf文件,内容如下:

    #定义agent名, source、channel、sink的名称
    access.sources = r1
    access.channels = c1 c2
    access.sinks = k1 k2
    
    #具体定义source
    access.sources.r1.type = netcat
    access.sources.r1.bind = 0.0.0.0
    access.sources.r1.port = 41414
    
    
    #具体定义channel
    access.channels.c1.type = memory
    access.channels.c1.capacity = 1000
    access.channels.c1.transactionCapacity = 100
    
    #具体定义channel
    access.channels.c2.type = memory
    access.channels.c2.capacity = 1000
    access.channels.c2.transactionCapacity = 100
    
    
    #定义拦截器,为消息添加时间戳
    access.sources.r1.interceptors = i1
    access.sources.r1.interceptors.i1.type = org.apache.flume.interceptor.TimestampInterceptor$Builder
    
    
    #具体定义sink
    access.sinks.k1.type = hdfs
    access.sinks.k1.hdfs.path = hdfs://192.168.22.131:9000/source/%Y%m%d
    access.sinks.k1.hdfs.filePrefix = events-
    access.sinks.k1.hdfs.fileType = DataStream
    #access.sinks.k1.hdfs.fileType = CompressedStream
    #access.sinks.k1.hdfs.codeC = gzip
    #不按照条数生成文件
    access.sinks.k1.hdfs.rollCount = 0
    #HDFS上的文件达到64M时生成一个文件
    access.sinks.k1.hdfs.rollSize = 67108864
    access.sinks.k1.hdfs.rollInterval = 0
    
    #logger sink 
    access.sinks.k2.type = logger
    
    
    
    #组装source、channel、sink
    access.sources.r1.channels = c1 c2
    access.sinks.k1.channel = c1
    access.sinks.k2.channel = c2

    2,启动HDFS

    sbin/start-dfs.sh

    3,启动flume

    root@Ubuntu-1:/usr/local/apache-flume# bin/flume-ng agent --conf conf/ --conf-file conf/one_source_two_channel.conf  --name access -Dflume.root.logger=INFO,console &

    4,

    ---报错1:

    问题原因:缺少依赖包,这个依赖包是以下jar文件

    解决办法:

    cp /share/hadoop/common/commons-configuration-1.6.jar /usr/local/apache-flume/lib

     ---报错2:

    问题原因:缺少依赖包

    解决办法:

    root@Ubuntu-1:/usr/local/hadoop-2.6.0/share/hadoop/common/lib# cp hadoop-auth-2.6.0.jar /usr/local/apache-flume/lib/

    ---报错3:

    问题原因:缺少依赖包

    解决办法:

    root@Ubuntu-1:/usr/local/hadoop-2.6.0/share/hadoop/hdfs# cp  hadoop-hdfs-2.6.0.jar /usr/local/apache-flume/lib/

    ---报错4:

    问题原因:主机名和端口不对

    解决办法:

    在上述flume的conf文件中更改此条配置为如下所示:

    为主机名:HDFS的端口

    ---报错5:

     问题原因:缺少依赖包

    解决办法:

    root@Ubuntu-1:/usr/local/hadoop-2.6.0/share/hadoop/common/lib# cp htrace-core-3.0.4.jar /usr/local/apache-flume/lib/

    所有问题解决

    telnet 0.0.0.0 41414

    向HDFS中打入数据

    成功

    查看HDFS文件

    完成。

    参考:http://blog.csdn.net/strongyoung88/article/details/52937835

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  • 原文地址:https://www.cnblogs.com/huxinga/p/7247590.html
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