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在Linux环境中调测HDFS应用

操作场景

HDFS应用程序支持在Linux环境中运行。在程序代码完成开发后，可以上传Jar包至准备好的Linux环境中运行。

HDFS应用程序运行完成后，可直接通过运行结果查看应用程序运行情况，也可以通过HDFS日志获取应用运行情况。

前提条件

  • 已安装客户端时：
    • 已安装HDFS客户端。
    • 当客户端所在主机不是集群中的节点时，需要在客户端所在节点的hosts文件中设置主机名和IP地址映射。主机名和IP地址请保持一一对应。
  • 未安装客户端时：
    • Linux环境已安装JDK，版本号需要和IDEA导出Jar包使用的JDK版本一致。
    • 当Linux环境所在主机不是集群中的节点时，需要在Linux环境所在节点的hosts文件中设置主机名和IP地址映射。主机名和IP地址请保持一一对应。

已安装客户端时编译并运行程序

  1. 进入样例工程本地根目录，在Windows命令提示符窗口中执行下面命令进行打包。

    mvn -s "{maven_setting_path}" clean package

    • 上述打包命令中的{maven_setting_path}为本地Maven的“settings.xml”文件路径。
    • 打包成功之后，在工程根目录的target子目录下获取打好的jar包，例如“HDFSTest-XXX.jar”，jar包名称以实际打包结果为准。

  2. 将导出的Jar包上传至Linux客户端运行环境的任意目录下，例如“/opt/client”。

    对于Spring Boot对接HDFS样例，需要将所有的配置文件放置到“hdfs-examples”工程的“src/main/resource”目录。并参考SpringBoot对接HDFS修改application.properties文件。

  3. 配置环境变量：

    cd /opt/client

    source bigdata_env

  4. 运行此样例代码需要设置运行用户，设置运行用户有两种方式，添加环境变量HADOOP_USER_NAME或者修改代码设置运行用户。若在没有修改代码的场景下，执行以下语句添加环境变量： 

    export HADOOP_USER_NAME=test

    用户可向管理员咨询运行用户。test在这里只是举例，若需运行Colocation相关操作的样例代码，则此用户需属supergroup用户组。

  5. 执行如下命令，运行Jar包。

    hadoop jar HDFSTest-XXX.jar com.huawei.bigdata.hdfs.examples.HdfsExample

    hadoop jar HDFSTest-XXX.jar com.huawei.bigdata.hdfs.examples.ColocationExample

    如果运行Spring Boot对接HDFS样例，需执行以下命令：

    java -jar spring-boot-hdfs-*.jar

    在运行com.huawei.bigdata.hdfs.examples.ColocationExample时，HDFS的配置项“fs.defaultFS”不能配置为“viewfs://ClusterX”。

  6. 对于Spring Boot对接HDFS样例，在浏览器上面访问如下链接：

    • http://{应用所在IP}:8080/save?fileName=test.txt ： 向HDFS的目录“/tmp/examples”中保存test.txt数据。
    • http://{应用所在IP}:8080/read?fileName=test.txt ：读取HDFS的目录“/tmp/examples”中test.txt数据。
    • http://{应用所在IP}:8080/remove?fileName=test.txt：删除HDFS的目录“/tmp/examples”中test.txt文件。

未安装客户端时编译并运行程序

  1. 进入工程本地根目录，在Windows命令提示符窗口中执行下面命令进行打包。

    mvn -s "{maven_setting_path}" clean package

    • 上述打包命令中的{maven_setting_path}为本地Maven的“settings.xml”文件路径。
    • 打包成功之后，在工程根目录的target子目录下获取打好的jar包。

  2. 将导出的Jar包上传至Linux运行环境的任意目录下，例如“/opt/client”。
  3. 将工程中的“lib”文件夹和“conf”文件夹上传至和Jar包相同的Linux运行环境目录下，例如“/opt/client”（其中“lib”目录汇总包含了工程中依赖的所有的Jar包，“conf”目录包含运行jar包所需的集群相关配置文件，请参考准备运行环境）。

    对于Spring Boot对接HDFS样例，需要将所有的配置文件放置到“hdfs-examples”工程的“src/main/resource”目录。并参考SpringBoot对接HDFS修改application.properties文件。

  4. 运行此样例代码需要设置运行用户，设置运行用户有两种方式，添加环境变量HADOOP_USER_NAME或者修改代码设置运行用户。若在没有修改代码的场景下，执行以下语句添加环境变量： 

    export HADOOP_USER_NAME=test

    用户可向管理员咨询运行用户。test在这里只是举例，若需运行Colocation相关操作的样例代码，则此用户需属supergroup用户组。

  5. 执行如下命令运行Jar包。

    java -cp HDFSTest-XXX.jar:conf/:lib/* com.huawei.bigdata.hdfs.examples.HdfsExample

    java -cp HDFSTest-XXX.jar:conf/:lib/* com.huawei.bigdata.hdfs.examples.ColocationExample

    如果运行Spring Boot对接HDFS样例，需执行以下命令：

    java -jar spring-boot-hdfs-*.jar

    在运行com.huawei.bigdata.hdfs.examples.ColocationExample时，HDFS的配置项“fs.defaultFS”不能配置为“viewfs://ClusterX”。

  6. 对于Spring Boot对接HDFS样例，在浏览器上面访问如下链接：

    • http://{应用所在IP}:8080/save?fileName=test.txt ： 向HDFS的目录“/tmp/examples”中保存test.txt数据。
    • http://{应用所在IP}:8080/read?fileName=test.txt ：读取HDFS的目录“/tmp/examples”中test.txt数据。
    • http://{应用所在IP}:8080/remove?fileName=test.txt：删除HDFS的目录“/tmp/examples”中test.txt文件。

查看调测结果

  • 查看运行结果获取应用运行情况
    • HdfsExample Linux样例程序运行结果如下所示。 
      [root@192-168-32-144 client]#hadoop jar HDFSTest-XXX.jar com.huawei.bigdata.hdfs.examples.HdfsExample
WARNING: Use "yarn jar" to launch YARN applications.
17/10/26 19:11:44 INFO examples.HdfsExample: success to create path /user/hdfs-examples
17/10/26 19:11:44 INFO examples.HdfsExample: success to write.
17/10/26 19:11:45 INFO examples.HdfsExample: success to append.
17/10/26 19:11:45 INFO examples.HdfsExample: result is : hi, I am bigdata. It is successful if you can see me.I append this content.
17/10/26 19:11:45 INFO examples.HdfsExample: success to read.
17/10/26 19:11:45 INFO examples.HdfsExample: success to delete the file /user/hdfs-examples/test.txt
17/10/26 19:11:45 INFO examples.HdfsExample: success to delete path /user/hdfs-examples
17/10/26 19:11:45 INFO examples.HdfsExample: success to create path /user/hdfs-examples/hdfs_example_1
17/10/26 19:11:45 INFO examples.HdfsExample: success to create path /user/hdfs-examples/hdfs_example_0
17/10/26 19:11:45 INFO examples.HdfsExample: success to write.
17/10/26 19:11:45 INFO examples.HdfsExample: success to write.
17/10/26 19:11:46 INFO examples.HdfsExample: success to append.
17/10/26 19:11:46 INFO examples.HdfsExample: result is : hi, I am bigdata. It is successful if you can see me.I append this content.
17/10/26 19:11:46 INFO examples.HdfsExample: success to read.
17/10/26 19:11:46 INFO examples.HdfsExample: success to delete the file /user/hdfs-examples/hdfs_example_1/test.txt
17/10/26 19:11:46 INFO examples.HdfsExample: success to delete path /user/hdfs-examples/hdfs_example_1
17/10/26 19:11:46 INFO examples.HdfsExample: success to append.
17/10/26 19:11:46 INFO examples.HdfsExample: result is : hi, I am bigdata. It is successful if you can see me.I append this content.
17/10/26 19:11:46 INFO examples.HdfsExample: success to read.
17/10/26 19:11:46 INFO examples.HdfsExample: success to delete the file /user/hdfs-examples/hdfs_example_0/test.txt
17/10/26 19:11:46 INFO examples.HdfsExample: success to delete path /user/hdfs-examples/hdfs_example_0
    • ColocationExample Linux样例程序运行结果如下所示。 
      [root@192-168-32-144 client]#hadoop jar HDFSTest-XXX.jar com.huawei.bigdata.hdfs.examples.ColocationExample
WARNING: Use "yarn jar" to launch YARN applications.
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Client environment:zookeeper.version=V100R002C30, built on 10/19/2017 04:21 GMT
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Client environment:host.name=192-168-32-144
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Client environment:java.version=1.8.0_144
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Client environment:java.vendor=Oracle Corporation
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Client environment:java.home=/opt/client/JDK/jdk1.8.0_144/jre
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Client environment:java.class.path=/opt/client/Yarn/config:/opt/client/HDFS/hadoop/etc/hadoop:/opt/client/HDFS/hadoop/share/hadoop/common/lib/apacheds-i18n-2.0.0-M15.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/commons-math3-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/jackson-xc-1.9.13.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/jaxb-impl-2.2.3-1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/commons-io-2.4.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/commons-digester-1.8.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/jetty-6.1.26.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/jackson-core-asl-1.9.13.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/api-asn1-api-1.0.0-M20.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/avro-1.7.4.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/jsr305-3.0.0.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/crypter-0.0.6.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/dynalogger-V100R002C30.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/jersey-server-1.9.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/commons-codec-1.4.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/curator-client-2.7.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/jaxb-api-2.2.2.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/nimbus-jose-jwt-3.9.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/json-smart-1.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/zookeeper-3.5.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/cas-client-core-hw-3.3.3.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/opensaml-2.6.5.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/htrace-core-3.1.0-incubating.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/wc2frm-v1r2c60-20160429.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/jettison-1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/commons-collections-3.2.2.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/asm-3.2.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/jetty-util-6.1.26.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/servlet-api-2.5.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/hadoop-auth-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/log4j-1.2.17.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/curator-recipes-2.7.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/gson-2.2.4.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/commons-beanutils-1.7.0.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/jets3t-0.9.0.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/mockito-all-1.8.5.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/jersey-json-1.9.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/apache-log4j-extras-1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/jackson-mapper-asl-1.9.13.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/protobuf-java-2.5.0.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/hadoop-crypto-adapter-0.0.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/api-util-1.0.0-M20.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/jsch-0.1.54.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/hamcrest-core-1.3.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/commons-logging-1.1.3.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/java-xmlbuilder-0.4.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/apacheds-kerberos-codec-2.0.0-M15.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/netty-3.6.2.Final.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/hadoop-annotations-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/commons-cli-1.2.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/activation-1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/slf4j-log4j12-1.7.10.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/junit-4.11.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/jsp-api-2.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/httpcore-4.4.4.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/httpclient-4.5.2.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/commons-beanutils-core-1.8.0.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/xz-1.0.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/jcip-annotations-1.0.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/paranamer-2.3.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/slf4j-api-1.7.10.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/curator-framework-2.7.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/commons-httpclient-3.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/stax-api-1.0-2.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/commons-compress-1.4.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/xmlenc-0.52.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/commons-lang-2.6.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/jersey-core-1.9.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/commons-net-3.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/xmlsec-1.5.7.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/jackson-jaxrs-1.9.13.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/jetty-sslengine-6.1.26.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/guava-11.0.2.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/snappy-java-1.0.4.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/SSO-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/lib/commons-configuration-1.6.jar:/opt/client/HDFS/hadoop/share/hadoop/common/datasight-hadoop-trace-ping-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/hadoop-common-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/common/hadoop-nfs-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/commons-io-2.4.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/jetty-6.1.26.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/jackson-core-asl-1.9.13.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/jsr305-3.0.0.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/jersey-server-1.9.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/commons-codec-1.4.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/leveldbjni-all-1.8.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/javaluator-3.0.1.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/xercesImpl-2.9.1.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/htrace-core-3.1.0-incubating.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/asm-3.2.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/jetty-util-6.1.26.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/servlet-api-2.5.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/log4j-1.2.17.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/jackson-mapper-asl-1.9.13.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/protobuf-java-2.5.0.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/commons-logging-1.1.3.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/netty-3.6.2.Final.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/commons-cli-1.2.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/xml-apis-1.3.04.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/hdfs-inode-provider-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/netty-all-4.0.23.Final.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/hadoop-hdfs-client-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/commons-daemon-1.0.13.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/xmlenc-0.52.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/commons-lang-2.6.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/jersey-core-1.9.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/lib/guava-11.0.2.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/hadoop-hdfs-colocation-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/hadoop-hdfs-nfs-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/hadoop-hdfs-datamovement-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/hdfs/hadoop-hdfs-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/superior-client-1.0.0.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/spark-3.1.1-yarn-shuffle.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/jackson-xc-1.9.13.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/jaxb-impl-2.2.3-1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/commons-io-2.4.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/aopalliance-1.0.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/jetty-6.1.26.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/jackson-core-asl-1.9.13.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/jsr305-3.0.0.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/dynalogger-V100R002C30.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/jersey-server-1.9.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/commons-codec-1.4.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/leveldbjni-all-1.8.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/jaxb-api-2.2.2.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/guice-servlet-3.0.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/zookeeper-3.5.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/javaluator-3.0.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/xercesImpl-2.9.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/htrace-core-3.1.0-incubating.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/jettison-1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/commons-collections-3.2.2.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/asm-3.2.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/jetty-util-6.1.26.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/servlet-api-2.5.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/log4j-1.2.17.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/spark-3.1.1-yarn-shuffle.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/jersey-json-1.9.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/apache-log4j-extras-1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/jackson-mapper-asl-1.9.13.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/protobuf-java-2.5.0.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/jersey-client-1.9.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/commons-logging-1.1.3.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/netty-3.6.2.Final.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/commons-cli-1.2.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/activation-1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/javax.inject-1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/xml-apis-1.3.04.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/guice-3.0.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/jersey-guice-1.9.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/superior-yarn-scheduler-1.0.0.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/xz-1.0.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/netty-all-4.0.23.Final.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/commons-httpclient-3.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/commons-daemon-1.0.13.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/stax-api-1.0-2.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/commons-compress-1.4.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/xmlenc-0.52.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/commons-lang-2.6.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/jersey-core-1.9.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/jackson-jaxrs-1.9.13.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/lib/guava-11.0.2.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/hadoop-yarn-applications-distributedshell-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/hadoop-yarn-server-web-proxy-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/hadoop-yarn-applications-unmanaged-am-launcher-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/hadoop-datasight-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/hadoop-yarn-client-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/hadoop-yarn-server-nodemanager-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/hadoop-yarn-server-common-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/hadoop-yarn-registry-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/hadoop-yarn-common-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/hadoop-yarn-server-applicationhistoryservice-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/hadoop-yarn-server-sharedcachemanager-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/hadoop-yarn-server-resourcemanager-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/yarn/hadoop-yarn-api-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/commons-io-2.4.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/aopalliance-1.0.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/jackson-core-asl-1.9.13.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/avro-1.7.4.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/jersey-server-1.9.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/leveldbjni-all-1.8.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/guice-servlet-3.0.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/asm-3.2.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/log4j-1.2.17.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/jackson-mapper-asl-1.9.13.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/protobuf-java-2.5.0.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/hamcrest-core-1.3.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/netty-3.6.2.Final.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/hadoop-annotations-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/javax.inject-1.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/junit-4.11.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/guice-3.0.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/jersey-guice-1.9.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/xz-1.0.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/paranamer-2.3.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/commons-compress-1.4.1.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/jersey-core-1.9.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/lib/snappy-java-1.0.4.1.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-client-hs-plugins-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-client-nativetask-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-examples-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-client-core-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-client-hs-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-client-app-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-client-common-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-client-shuffle-3.1.1.jar:/opt/client/HDFS/hadoop/contrib/capacity-scheduler/*.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/apacheds-i18n-2.0.0-M15.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/commons-math3-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jackson-xc-1.9.13.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jaxb-impl-2.2.3-1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/hadoop-openstack-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/commons-io-2.4.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/commons-digester-1.8.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jetty-6.1.26.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jackson-core-asl-1.9.13.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/api-asn1-api-1.0.0-M20.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/hadoop-datajoin-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/avro-1.7.4.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jsr305-3.0.0.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/dynalogger-V100R002C30.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jersey-server-1.9.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/commons-codec-1.4.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/curator-client-2.7.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/hadoop-gridmix-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jaxb-api-2.2.2.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/nimbus-jose-jwt-3.9.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/json-smart-1.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/zookeeper-3.5.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/hadoop-rumen-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/htrace-core-3.1.0-incubating.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jettison-1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/commons-collections-3.2.2.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/asm-3.2.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jetty-util-6.1.26.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/servlet-api-2.5.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/hadoop-auth-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/log4j-1.2.17.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jackson-databind-2.2.3.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/curator-recipes-2.7.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/gson-2.2.4.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/commons-beanutils-1.7.0.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jets3t-0.9.0.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/mockito-all-1.8.5.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jersey-json-1.9.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/apache-log4j-extras-1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jackson-mapper-asl-1.9.13.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/protobuf-java-2.5.0.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/api-util-1.0.0-M20.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jsch-0.1.54.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/hadoop-archives-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/hamcrest-core-1.3.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/commons-logging-1.1.3.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/java-xmlbuilder-0.4.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/joda-time-2.9.7.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/apacheds-kerberos-codec-2.0.0-M15.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/netty-3.6.2.Final.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/hadoop-distcp-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/commons-cli-1.2.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/activation-1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jackson-core-2.2.3.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/junit-4.11.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jsp-api-2.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/httpcore-4.4.4.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/hadoop-hdfs-restore-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/httpclient-4.5.2.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/metrics-core-3.0.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/commons-beanutils-core-1.8.0.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/hadoop-azure-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jackson-annotations-2.2.3.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/hadoop-streaming-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/xz-1.0.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jcip-annotations-1.0.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/commons-lang3-3.3.2.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/paranamer-2.3.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/curator-framework-2.7.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/hadoop-sls-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/commons-httpclient-3.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/stax-api-1.0-2.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/commons-compress-1.4.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/xmlenc-0.52.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/commons-lang-2.6.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/azure-storage-2.0.0.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jersey-core-1.9.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/hadoop-extras-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/commons-net-3.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/hadoop-ant-3.1.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jackson-jaxrs-1.9.13.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/jetty-sslengine-6.1.26.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/guava-11.0.2.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/snappy-java-1.0.4.1.jar:/opt/client/HDFS/hadoop/share/hadoop/tools/lib/commons-configuration-1.6.jar
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Client environment:java.library.path=/opt/client/HDFS/hadoop/lib/native
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Client environment:java.io.tmpdir=/tmp
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Client environment:java.compiler=<NA>
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Client environment:os.name=Linux
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Client environment:os.arch=amd64
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Client environment:os.version=2.6.32-504.el6.x86_64
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Client environment:user.name=root
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Client environment:user.home=/root
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Client environment:user.dir=/opt/client
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Client environment:os.memory.free=97MB
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Client environment:os.memory.max=123MB
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Client environment:os.memory.total=123MB
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Initiating client connection, connectString=192-168-32-144:2181,192-168-32-67:2181,192-168-33-190:2181 sessionTimeout=20000 watcher=com.huawei.hadoop.oi.colocation.ZooKeeperWatcher@60410cd
17/10/26 19:12:38 INFO zookeeper.ClientCnxn: zookeeper.request.timeout is not configured. Using default value 120000.
17/10/26 19:12:38 INFO zookeeper.ClientCnxn: zookeeper.client.bind.port.range is not configured.
17/10/26 19:12:38 INFO zookeeper.ClientCnxn: zookeeper.client.bind.address is not configured.
17/10/26 19:12:38 INFO client.FourLetterWordMain: connecting to 192-168-32-67 2181
17/10/26 19:12:38 INFO zookeeper.ClientCnxn: Got server principal from the server and it is null
17/10/26 19:12:38 INFO zookeeper.ClientCnxn: Using server principal zookeeper/192-168-32-67
17/10/26 19:12:38 INFO zookeeper.ClientCnxn: Opening socket connection to server 192-168-32-67/192.168.32.67:2181. Will not attempt to authenticate using SASL (unknown error)
17/10/26 19:12:38 INFO zookeeper.ClientCnxn: Socket connection established, initiating session, client: /192.168.32.144:52882, server: 192-168-32-67/192.168.32.67:2181
17/10/26 19:12:38 INFO zookeeper.ClientCnxn: Session establishment complete on server 192-168-32-67/192.168.32.67:2181, sessionid = 0x13000074b7e4687f, negotiated timeout = 20000
17/10/26 19:12:38 INFO colocation.ZKUtil: ZooKeeper colocation znode : /hadoop/colocationDetails. Will publish colocation details under this znode hierarchy.
Create Group is running...
17/10/26 19:12:38 INFO zookeeper.ZooKeeper: Initiating client connection, connectString=192-168-32-144:2181,192-168-32-67:2181,192-168-33-190:2181 sessionTimeout=20000 watcher=com.huawei.hadoop.oi.colocation.ZooKeeperWatcher@f80945f
17/10/26 19:12:38 INFO zookeeper.ClientCnxn: zookeeper.request.timeout is not configured. Using default value 120000.
17/10/26 19:12:38 INFO zookeeper.ClientCnxn: zookeeper.client.bind.port.range is not configured.
17/10/26 19:12:38 INFO zookeeper.ClientCnxn: zookeeper.client.bind.address is not configured.
17/10/26 19:12:38 INFO client.FourLetterWordMain: connecting to 192-168-32-144 2181
17/10/26 19:12:38 INFO zookeeper.ClientCnxn: Got server principal from the server and it is null
17/10/26 19:12:38 INFO zookeeper.ClientCnxn: Using server principal zookeeper/192-168-32-144
17/10/26 19:12:38 INFO zookeeper.ClientCnxn: Opening socket connection to server 192-168-32-144/192.168.32.144:2181. Will not attempt to authenticate using SASL (unknown error)
17/10/26 19:12:38 INFO zookeeper.ClientCnxn: Socket connection established, initiating session, client: /192.168.32.144:40383, server: 192-168-32-144/192.168.32.144:2181
17/10/26 19:12:38 INFO zookeeper.ClientCnxn: Session establishment complete on server 192-168-32-144/192.168.32.144:2181, sessionid = 0x12000059699f69e1, negotiated timeout = 20000
17/10/26 19:12:38 INFO colocation.ZKUtil: ZooKeeper colocation znode : /hadoop/colocationDetails. Will publish colocation details under this znode hierarchy.
Create Group has finished.
Put file is running...
Put file has finished.
Delete file is running...
Delete file has finished.
Delete Group is running...
Delete Group has finished.
17/10/26 19:12:39 INFO zookeeper.ZooKeeper: Session: 0x13000074b7e4687f closed
17/10/26 19:12:39 INFO zookeeper.ClientCnxn: EventThread shut down for session: 0x13000074b7e4687f
17/10/26 19:12:39 INFO zookeeper.ZooKeeper: Session: 0x12000059699f69e1 closed
17/10/26 19:12:39 INFO zookeeper.ClientCnxn: EventThread shut down for session: 0x12000059699f69e1
    • Spring对接HDFS的样例运行结果。

      Spring Boot启动日志：

      SLF4J: Class path contains multiple SLF4J bindings.
SLF4J: Found binding in [jar:file:/opt/example/spring-boot-hdfs-1.0-SNAPSHOT.jar!/BOOT-INF/lib/logback-classic-1.2.3.jar!/org/slf4j/impl/StaticLoggerBinder.class]
SLF4J: Found binding in [jar:file:/opt/example/spring-boot-hdfs-1.0-SNAPSHOT.jar!/BOOT-INF/lib/slf4j-reload4j-1.7.36.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 [ch.qos.logback.classic.util.ContextSelectorStaticBinder]
  .   ____          _            __ _ _
 /\\ / ___'_ __ _ _(_)_ __  __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
 \\/  ___)| |_)| | | | | || (_| |  ) ) ) )
  '  |____| .__|_| |_|_| |_\__, | / / / /
 =========|_|==============|___/=/_/_/_/
 :: Spring Boot ::                (v2.4.2)
2025-01-21 10:43:58.049  INFO 3628949 --- [           main] c.h.s.hdfs.SpringDataHDFSApplication     : Starting SpringDataHDFSApplication v1.0-SNAPSHOT using Java 1.8.0_422 on hdcore-common-001 with PID 3628949 (/opt/example/spring-boot-hdfs-1.0-SNAPSHOT.jar started by root in /opt/example)
2025-01-21 10:43:58.054  INFO 3628949 --- [           main] c.h.s.hdfs.SpringDataHDFSApplication     : No active profile set, falling back to default profiles: default
2025-01-21 10:43:58.928  WARN 3628949 --- [kground-preinit] o.s.h.c.j.Jackson2ObjectMapperBuilder    : For Jackson Kotlin classes support please add "com.fasterxml.jackson.module:jackson-module-kotlin" to the classpath
2025-01-21 10:43:59.695  INFO 3628949 --- [           main] org.eclipse.jetty.util.log               : Logging initialized @3808ms to org.eclipse.jetty.util.log.Slf4jLog
2025-01-21 10:43:59.845  INFO 3628949 --- [           main] o.s.b.w.e.j.JettyServletWebServerFactory : Server initialized with port: 8080
2025-01-21 10:43:59.848  INFO 3628949 --- [           main] org.eclipse.jetty.server.Server          : jetty-9.4.35.v20201120; built: 2020-11-20T21:17:03.964Z; git: bdc54f03a5e0a7e280fab27f55c3c75ee8da89fb; jvm 1.8.0_422-BiSheng_JDK8_Enterprise_202.1.0.420.B002-b05
2025-01-21 10:43:59.886  INFO 3628949 --- [           main] o.e.j.s.h.ContextHandler.application     : Initializing Spring embedded WebApplicationContext
2025-01-21 10:43:59.886  INFO 3628949 --- [           main] w.s.c.ServletWebServerApplicationContext : Root WebApplicationContext: initialization completed in 1180 ms
2025-01-21 10:44:00.018  INFO 3628949 --- [           main] org.eclipse.jetty.server.session         : DefaultSessionIdManager workerName=node0
2025-01-21 10:44:00.018  INFO 3628949 --- [           main] org.eclipse.jetty.server.session         : No SessionScavenger set, using defaults
2025-01-21 10:44:00.021  INFO 3628949 --- [           main] org.eclipse.jetty.server.session         : node0 Scavenging every 660000ms
2025-01-21 10:44:00.035  INFO 3628949 --- [           main] o.e.jetty.server.handler.ContextHandler  : Started o.s.b.w.e.j.JettyEmbeddedWebAppContext@7ce3cb8e{application,/,[file:///tmp/jetty-docbase.8080.5072591134057219935/],AVAILABLE}
2025-01-21 10:44:00.036  INFO 3628949 --- [           main] org.eclipse.jetty.server.Server          : Started @4150ms
2025-01-21 10:44:00.643  INFO 3628949 --- [           main] o.a.h.security.UserGroupInformation      : Login successful for user admintest using keytab file user.keytab. Keytab auto renewal enabled : false
2025-01-21 10:44:00.643  INFO 3628949 --- [           main] com.huawei.spring.hdfs.LoginUtil         : Login success!!!!!!!!!!!!!!
2025-01-21 10:44:01.464  WARN 3628949 --- [           main] org.apache.hadoop.util.NativeCodeLoader  : Unable to load native-hadoop library for your platform... using builtin-java classes where applicable
2025-01-21 10:44:01.471  WARN 3628949 --- [           main] o.a.h.h.s.DomainSocketFactory            : The short-circuit local reads feature cannot be used because libhadoop cannot be loaded.
2025-01-21 10:44:01.711  INFO 3628949 --- [           main] o.s.s.concurrent.ThreadPoolTaskExecutor  : Initializing ExecutorService 'applicationTaskExecutor'
2025-01-21 10:44:01.975  INFO 3628949 --- [           main] o.e.j.s.h.ContextHandler.application     : Initializing Spring DispatcherServlet 'dispatcherServlet'
2025-01-21 10:44:01.975  INFO 3628949 --- [           main] o.s.web.servlet.DispatcherServlet        : Initializing Servlet 'dispatcherServlet'
2025-01-21 10:44:01.976  INFO 3628949 --- [           main] o.s.web.servlet.DispatcherServlet        : Completed initialization in 1 ms
2025-01-21 10:44:02.004  INFO 3628949 --- [           main] o.e.jetty.server.AbstractConnector       : Started ServerConnector@2133814f{HTTP/1.1, (http/1.1)}{0.0.0.0:8080}
2025-01-21 10:44:02.005  INFO 3628949 --- [           main] o.s.b.web.embedded.jetty.JettyWebServer  : Jetty started on port(s) 8080 (http/1.1) with context path '/'
2025-01-21 10:44:02.023  INFO 3628949 --- [           main] c.h.s.hdfs.SpringDataHDFSApplication     : Started SpringDataHDFSApplication in 4.513 seconds (JVM running for 6.138)

      访问链接结果如下：

  • 查看HDFS日志获取应用运行情况

可以查看HDFS的NameNode日志了解应用运行情况，并根据日志信息调整应用程序。

父主题： 调测HDFS应用

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