启动flume时报错Info: Including Hadoop libraries found via (/opt/software/hadoop-2.8.3/bin/hadoop) for HDFS access Info: Including Hive libraries found via () for Hive access + exec /opt/jdk1.8.0_261/bin/java -Xmx20m -cp '/opt/software/flume-1.8.0/conf:/opt/software/flume-1.8.0/lib/*:/opt/software/hadoop-2.8.3/etc/hadoop:/opt/software/hadoop-2.8.3/share/hadoop/common/lib/*:/opt/software/hadoop-2.8.3/share/hadoop/common/*:/opt/software/hadoop-2.8.3/share/hadoop/hdfs:/opt/software/hadoop-2.8.3/share/hadoop/hdfs/lib/*:/opt/software/hadoop-2.8.3/share/hadoop/hdfs/*:/opt/software/hadoop-2.8.3/share/hadoop/yarn/lib/*:/opt/software/hadoop-2.8.3/share/hadoop/yarn/*:/opt/software/hadoop-2.8.3/share/hadoop/mapreduce/lib/*:/opt/software/hadoop-2.8.3/share/hadoop/mapreduce/*:/contrib/capacity-scheduler/*.jar:/lib/*' -Djava.library.path=:/opt/software/hadoop-2.8.3/lib/native org.apache.flume.node.Application --conf-file /opt/software/flume-1.8.0/conf/hdfs.conf --name agent1 Dflume.root.logger=DEBUG,console SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/opt/software/flume-1.8.0/lib/slf4j-log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/opt/software/hadoop-2.8.3/share/hadoop/common/lib/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.是什么原因

Oozie深度解析：工作流引擎与Hadoop MapReduce/Pig任务整合

其中包括了Hadoop组件如Hadoop简介、MapReduce、YARN、HDFS、Hive、HBase、Pig、Zookeeper、Sqoop、Flume、Kafka等的详细介绍，以及Spark、Oozie、Impala、Solr、Neo4j、Elasticsearch等先进的大数据处理工具的入门...

掌握百度翻译源码及大数据技术栈：Java/Scala/Hadoop/Spark

资源摘要信息:本资源集合涉及大数据技术栈中的关键组件，包括Hadoop生态系统中的重要工具和概念，以及相关技术如Scala编程语言的应用。以下是对标题、描述及文件列表所含知识点的详细说明。 1. Hadoop生态系统组件...

启动flume是报以下错误Info: Including Hadoop libraries found via (/opt/software/hadoop-2.8.3/bin/hadoop) for HDFS access Info: Including Hive libraries found via (/opt/software/hive-2.3.3) for Hive access + exec /opt/jdk1.8.0_261/bin/java -Xmx20m -cp '/opt/software/flume-1.8.0/conf:/opt/software/flume-1.8.0/lib/:/opt/software/hadoop-2.8.3/etc/hadoop:/opt/software/hadoop-2.8.3/share/hadoop/common/lib/:/opt/software/hadoop-2.8.3/share/hadoop/common/:/opt/software/hadoop-2.8.3/share/hadoop/hdfs:/opt/software/hadoop-2.8.3/share/hadoop/hdfs/lib/:/opt/software/hadoop-2.8.3/share/hadoop/hdfs/:/opt/software/hadoop-2.8.3/share/hadoop/yarn/lib/:/opt/software/hadoop-2.8.3/share/hadoop/yarn/:/opt/software/hadoop-2.8.3/share/hadoop/mapreduce/lib/:/opt/software/hadoop-2.8.3/share/hadoop/mapreduce/:/contrib/capacity-scheduler/.jar:/opt/software/hive-2.3.3/lib/*' -Djava.library.path=:/opt/software/hadoop-2.8.3/lib/native org.apache.flume.node.Application --conf-file /opt/software/flume-1.8.0/conf/hdfs.conf --name agent1 Dflume.root.logger=DEBUG,console SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/opt/software/flume-1.8.0/lib/slf4j-log4j12-1.6.1.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/opt/software/hadoop-2.8.3/share/hadoop/common/lib/slf4j-log4j12-1.7.10.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/opt/software/hive-2.3.3/lib/log4j-slf4j-impl-2.6.2.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation.是什么原因

这个错误是由于在classpath中包含了多个SLF4J的绑定引起的。由于SLF4J提供了多种绑定，如果在classpath中包含了多个绑定，就会导致这个异常。为了解决这个问题，你可以在classpath中保留一个绑定，并删除其他绑定。...

Info: Sourcing environment configuration script /opt/flume/conf/flume-env.sh Info: Including Hadoop libraries found via (/usr/local/hadoop/bin/hadoop) for HDFS access Info: Including Hive libraries found via () for Hive access

这也是一段日志信息，Flume在启动时输出的。它告诉你Flume正在为HDFS和Hive访问加载相关的库文件。在这个日志中，Flume加载了Hadoop和Hive的库文件，以便它可以访问HDFS和Hive。这些库文件通常位于Hadoop和Hive的...

Warning: No configuration directory set! Use --conf <dir> to override. Info: Including Hadoop libraries found via (/usr/local/src/hadoop/bin/hadoop) for HDFS access Info: Excluding /usr/local/src/hadoop/share/hadoop/common/lib/slf4j-api-1.7.10.jar from classpath Info: Excluding /usr/local/src/hadoop/share/hadoop/common/lib/slf4j-log4j12-1.7.10.jar from classpath Info: Including HBASE libraries found via (/usr/local/src/hbase/bin/hbase) for HBASE access Error: Could not find or load main class org.apache.flume.tools.GetJavaProperty Info: Excluding /usr/local/src/hbase/lib/slf4j-api-1.7.7.jar from classpath Info: Excluding /usr/local/src/hbase/lib/slf4j-log4j12-1.7.5.jar from classpath

这段提示信息看起来是在使用 Hadoop 和 HBase 的过程中出现了一些问题。可以尝试设置配置目录来解决这个问题。具体的解决方法如下： 1. 打开终端，切换到 Hadoop 或 HBase 的安装目录下，进入 conf 文件夹。 2. ...

Warning: No configuration directory set! Use --conf <dir> to override. Info: Including Hadoop libraries found via (/opt/hadoop-3.1.2/bin/hadoop) for HDFS access Info: Including HBASE libraries found via (/opt/hbase-2.2.6/bin/hbase) for HBASE access 错误: 找不到或无法加载主类 org.apache.flume.tools.GetJavaProperty Info: Including Hive libraries found via (/opt/hive-3.1.2) for Hive access + exec /opt/jdk1.8.0_351/bin/java -Xmx20m -cp '/opt/flume-1.9.0/lib/:/opt/hadoop-3.1.2/etc/hadoop:/opt/hadoop-3.1.2/share/hadoop/common/lib/:/opt/hadoop-3.1.2/share/hadoop/common/:/opt/hadoop-3.1.2/share/hadoop/hdfs:/opt/hadoop-3.1.2/share/hadoop/hdfs/lib/:/opt/hadoop-3.1.2/share/hadoop/hdfs/:/opt/hadoop-3.1.2/share/hadoop/mapreduce/lib/:/opt/hadoop-3.1.2/share/hadoop/mapreduce/:/opt/hadoop-3.1.2/share/hadoop/yarn:/opt/hadoop-3.1.2/share/hadoop/yarn/lib/:/opt/hadoop-3.1.2/share/hadoop/yarn/:/opt/hbase-2.2.6/conf:/opt/jdk1.8.0_351//lib/tools.jar:/opt/hbase-2.2.6:/opt/hbase-2.2.6/lib/shaded-clients/hbase-shaded-client-byo-hadoop-2.2.6.jar:/opt/hbase-2.2.6/lib/client-facing-thirdparty/audience-annotations-0.5.0.jar:/opt/hbase-2.2.6/lib/client-facing-thirdparty/commons-logging-1.2.jar:/opt/hbase-2.2.6/lib/client-facing-thirdparty/findbugs-annotations-1.3.9-1.jar:/opt/hbase-2.2.6/lib/client-facing-thirdparty/htrace-core4-4.2.0-incubating.jar:/opt/hbase-2.2.6/lib/client-facing-thirdparty/log4j-1.2.17.jar:/opt/hbase-2.2.6/lib/client-facing-thirdparty/slf4j-api-1.7.25.jar:/opt/hadoop-3.1.2/etc/hadoop:/opt/hadoop-3.1.2/share/hadoop/common/lib/:/opt/hadoop-3.1.2/share/hadoop/common/:/opt/hadoop-3.1.2/share/hadoop/hdfs:/opt/hadoop-3.1.2/share/hadoop/hdfs/lib/:/opt/hadoop-3.1.2/share/hadoop/hdfs/:/opt/hadoop-3.1.2/share/hadoop/mapreduce/lib/:/opt/hadoop-3.1.2/share/hadoop/mapreduce/:/opt/hadoop-3.1.2/share/hadoop/yarn:/opt/hadoop-3.1.2/share/hadoop/yarn/lib/:/opt/hadoop-3.1.2/share/hadoop/yarn/:/opt/hadoop-3.1.2/etc/hadoop:/opt/hbase-2.2.6/conf:/opt/hive-3.1.2/lib/' -Djava.library.path=:/opt/hadoop-3.1.2/lib/native org.apache.flume.node.Application --name a1 --conf/opt/flume-1.9.0/conf --conf-file/opt/flume-1.9.0/conf/dhfsspool.conf-Dflume.root.logger=DEBUG,consol SLF4J: Class path contains multiple SLF4J bindings. SLF4J: Found binding in [jar:file:/opt/flume-1.9.0/lib/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/opt/hadoop-3.1.2/share/hadoop/common/lib/slf4j-log4j12-1.7.25.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: Found binding in [jar:file:/opt/hive-3.1.2/lib/log4j-slf4j-impl-2.10.0.jar!/org/slf4j/impl/StaticLoggerBinder.class] SLF4J: See http://www.slf4j.org/codes.html#multiple_bindings for an explanation. SLF4J: Actual binding is of type [org.slf4j.impl.Log4jLoggerFactory] 2023-06-08 17:26:46,403 ERROR node.Application: A fatal error occurred while running. Exception follows. org.apache.commons.cli.UnrecognizedOptionException: Unrecognized option: --conf/opt/flume-1.9.0/conf at org.apache.commons.cli.Parser.processOption(Parser.java:363) at org.apache.commons.cli.Parser.parse(Parser.java:199) at org.apache.commons.cli.Parser.parse(Parser.java:85) at org.apache.flume.node.Application.main(Application.java:287)

错误的具体信息是“Unrecognized option: --conf/opt/flume-1.9.0/conf”，说明程序无法识别选项“--conf/opt/flume-1.9.0/conf”。这个问题可能是由于程序在解析命令行参数时出现了错误导致的。

[atguigu@node11 flume]$ echo $PATH /home/hadoop/zookeeper/bin:/usr/local/flume/bin:/usr/local/hbase/bin:/home/hadoop/zookeeper/bin:/usr/local/flume/bin:/usr/local/hbase/bin:/home/hadoop/zookeeper/bin:/usr/local/flume/bin:/usr/local/hbase/bin:/usr/java/jdk1.8.0_361/bin:/usr/local/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/opt/module/jdk1.8.0_361/bin:/opt/module/hadoop-3.1.3/bin:/opt/module/hadoop-3.1.3/sbin:/opt/module/sbt:/usr/local/flume/bin:/usr/local/hbase/bin:/home/atguigu/.local/bin:/home/atguigu/bin

您可以尝试在Flume的安装目录下执行"./bin/flume-ng version"命令，查看是否能够正确输出Flume的版本信息。如果还是无法输出版本信息，可能是您的Flume存在其他问题，可以查看Flume的日志文件，通常位于"logs/flume....

+ exec /usr/local/jdk1.8.0_371/bin/java -Xmx20m -Dflume.root.logger=INFO,console -cp '/opt/flume/conf:/opt/flume/lib/:/usr/local/hadoop/etc/hadoop:/usr/local/hadoop/share/hadoop/common/lib/:/usr/local/hadoop/share/hadoop/common/:/usr/local/hadoop/share/hadoop/hdfs:/usr/local/hadoop/share/hadoop/hdfs/lib/:/usr/local/hadoop/share/hadoop/hdfs/:/usr/local/hadoop/share/hadoop/mapreduce/:/usr/local/hadoop/share/hadoop/yarn:/usr/local/hadoop/share/hadoop/yarn/lib/:/usr/local/hadoop/share/hadoop/yarn/:/lib/*' -Djava.library.path=:/usr/local/hadoop/lib/native org.apache.flume.node.Application --name a1 --conf-file conf/flume-conf.properties

这也是一段日志信息，它告诉你Flume启动时执行的Java命令。这个命令会启动一个Java进程，并将Flume的相关配置作为参数传递给它。在这个命令中，-cp参数指定了Flume运行时需要加载的类路径，包括Flume本身的库文件、...

export JAVA_HOME=/usr/java/jdk1.8.0_361 export FLUME_HOME=/usr/local/flume export FLUME_CONF_DIR=$FLUME_HOME/conf export PATH=$PATH:$FLUME_HOME/bin:/usr/local/hbase/bin export ZOOKEEPER_HOME=/home/hadoop/zookeeper export PATH=$ZOOKEEPER_HOME/bin:$PATH

- FLUME_HOME 设置了 Flume 的安装路径为 /usr/local/flume - FLUME_CONF_DIR 设置了 Flume 的配置文件路径为 $FLUME_HOME/conf - PATH 添加了 Flume 和 HBase 的二进制文件路径，以及 ZooKeeper 的 bin 目录 - ...

根据提示，将 /opt/flume/flumedata 目录下的 aa.txt (平台已经帮你创建完毕) 采集到 Hdfs，你只需在Begin-End区域内配置配置文件即可，其余步骤后台会自动完成(平台后台向 aa.txt 文件中发送一条消息 From introduction to mastery,因为本实训中 source 源为 exec，学员在自己电脑环境中可以使用命令行发送，命令为echo " From introduction to mastery" >> /opt/flume/flumedata/aa.txt)。 aa.txt文件中的内容如下： Hadoop JAVA Flume 配置文件要求 : Agent命名为 a1 ； source选用 exec 采集所有文件； Channel选用 memery；文件保存到 hdfs有如下要求 : hdfs路径名称： hdfs://localhost:9000；保存到 flume 目录下；文件前缀命名为 wcm；文件后缀命名为 .wsy；每 6s 回滚一次文件；文件格式使用DataStream。

以下是配置文件的示例，您可以将其粘贴到Begin-...- 如果您没有按照提示手动发送消息到aa.txt中，可以将配置文件中的command参数修改为tail -F /opt/flume/flumedata/*.txt，这样就可以采集所有以txt结尾的文件了。

Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/hadoop/io/SequenceFile$CompressionType at org.apache.flume.sink.hdfs.HDFSEventSink.configure(HDFSEventSink.java:244) at org.apache.flume.conf.Configurables.configure(Configurables.java:41) at org.apache.flume.node.AbstractConfigurationProvider.loadSinks(AbstractConfigurationProvider.java:456) at org.apache.flume.node.AbstractConfigurationProvider.getConfiguration(AbstractConfigurationProvider.java:109) at org.apache.flume.node.Application.main(Application.java:491)

这个错误信息看起来像是缺少了 org.apache.hadoop.io.SequenceFile$CompressionType 类，这可能是因为您的应用程序依赖的某个库或 JAR 包没有正确地加载或配置。您可以尝试检查您的应用程序配置和依赖项，并确保...

文件① file-flume-kafka.conf 文件② kafak-flume-hdfs.conf 分别在hadoop102、103启动文件①，然后hadoop104上启动文件②

flume-ng agent --conf-file /path/to/kafka-flume-hdfs.conf --name kafka-flume-hdfs-agent -Dflume.root.logger=INFO,console 这将启动一个名为"kafka-flume-hdfs-agent"的Flume代理程序，并使用配置文件...

hadoop dfs -mkdir /flume

Hadoop Distributed File System (HDFS) 是Hadoop生态系统中的一个关键组件，用于存储和管理大规模数据。hadoop dfs -mkdir /flume 是一个命令行操作，用于在HDFS中创建一个新的目录。这个命令的含义是： - ...

切换至flume安装目录/opt/flume，启动flume服务

./flume-ng agent --conf ./conf/ -f ./conf/flume-dir-hdfs.conf -n a1 -Dflume.root.logger=INFO,console # 启动flume服务其中，./flume-ng agent表示启动flume服务，--conf ./conf/表示使用当前目录下的...

启动Flume传输Hadoop日志（namenode或datanode日志），查看HDFS中/tmp/flume目录下生成的内容，

$ bin/flume-ng agent -n agent -c conf -f conf/flume-conf.properties 4. 等待一段时间后，查看HDFS中/tmp/flume目录下生成的内容，命令如下： $ hadoop fs -ls /tmp/flume 5. 如果一切正常，你...

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Info: Sourcing environment configuration script /opt/flume/conf/flume-env.sh Info: Including Hadoop libraries found via (/usr/local/hadoop/bin/hadoop) for HDFS access Info: Including Hive libraries found via () for Hive access

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export JAVA_HOME=/usr/java/jdk1.8.0_361 export FLUME_HOME=/usr/local/flume export FLUME_CONF_DIR=$FLUME_HOME/conf export PATH=$PATH:$FLUME_HOME/bin:/usr/local/hbase/bin export ZOOKEEPER_HOME=/home/hadoop/zookeeper export PATH=$ZOOKEEPER_HOME/bin:$PATH

文件① file-flume-kafka.conf 文件② kafak-flume-hdfs.conf 分别在hadoop102、103启动文件①，然后hadoop104上启动文件②

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