HDFS【2.5.1】系列3:解密命令行 ./bin/hdfs namenode -format

本文深入探讨了在Hadoop新版本2.5.1中,如何通过shell脚本执行HDFS格式化操作,并详细解析了背后的流程和关键参数设置。

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学习Hadoop的过程中,教程标注需要在启动集群之前先格式化hdfs文件系统。

我之前以为格式化就跟linux一样,

后来很粗略的看过老版的源码,发现比我想的要简单很多。唯一可以解释的就是分布式的因素吧。

PS: 老版的格式化分析请见我之前博客:http://my.oschina.net/qiangzigege/blog/304601

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不管怎么样,我们来看看 新版本 2.5.1中的HDFS的格式化吧。

编译好的目录在:~/hadoop-2.5.1-src/hadoop-dist/target/hadoop-2.5.1

进去是不是看到了很多熟悉的文件?!

为了方便,我们建立一个软链接如下:

ln -s  ~/hadoop-2.5.1-src/hadoop-dist/target/hadoop-2.5.1  hadoop-2.5.1-run

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root@idc100:~# cd hadoop-2.5.1-run
root@idc100:~/hadoop-2.5.1-run# ls
bin  hadoop-2.5.1-run  lib      LICENSE.txt  README.txt  share
etc  include           libexec  NOTICE.txt   sbin
root@idc100:~/hadoop-2.5.1-run#

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执行 ./bin/hdfs namenode -format 是没有问题的。

然后我们从./bin/hdfs脚本入手来一点一点研究格式化的过程。

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经过漫长的shell脚本研究(其实也没多久,一个晚上吧)

具体分析的细节我就不说了,说起来都是泪

自己在shell脚本里加echo查看各个变量的值,export的值

反正最终就是执行这么一句:

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通过echo,我们可以看到最终的结果就是执行: 

/usr/lib/jvm/jdk1.7.0_21/bin/java -Dproc_namenode -Xmx1000m -Djava.net.preferIPv4Stack=true -Dhadoop.log.dir=/root/hadoop-2.5.1-src/hadoop-dist/target/hadoop-2.5.1/logs -Dhadoop.log.file=hadoop.log -Dhadoop.home.dir=/root/hadoop-2.5.1-src/hadoop-dist/target/hadoop-2.5.1 -Dhadoop.id.str=root -Dhadoop.root.logger=INFO,console -Djava.library.path=/root/hadoop-2.5.1-src/hadoop-dist/target/hadoop-2.5.1/lib/native -Dhadoop.policy.file=hadoop-policy.xml -Djava.net.preferIPv4Stack=true -Dhadoop.security.logger=INFO,RFAS -Dhdfs.audit.logger=INFO,NullAppender -Dhadoop.security.logger=INFO,NullAppender org.apache.hadoop.hdfs.server.namenode.NameNode -format

 

转载于:https://my.oschina.net/qiangzigege/blog/346298

DEPRECATED: Use of this script to execute hdfs command is deprecated. Instead use the hdfs command for it. 2025-06-18 16:50:39,734 INFO datanode.DataNode: STARTUP_MSG: /************************************************************ STARTUP_MSG: Starting DataNode STARTUP_MSG: host = LAPTOP-FK5QKFGQ/192.168.10.1 STARTUP_MSG: args = [] STARTUP_MSG: version = 3.2.2 STARTUP_MSG: classpath = 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:\pyspark\Hadoop\hadoop-3.2.2\share\hadoop\mapreduce\hadoop-mapreduce-client-nativetask-3.2.2.jar;D:\pyspark\Hadoop\hadoop-3.2.2\share\hadoop\mapreduce\hadoop-mapreduce-client-shuffle-3.2.2.jar;D:\pyspark\Hadoop\hadoop-3.2.2\share\hadoop\mapreduce\hadoop-mapreduce-client-uploader-3.2.2.jar;D:\pyspark\Hadoop\hadoop-3.2.2\share\hadoop\mapreduce\hadoop-mapreduce-examples-3.2.2.jar STARTUP_MSG: build = Unknown -r 7a3bc90b05f257c8ace2f76d74264906f0f7a932; compiled by &#39;hexiaoqiao&#39; on 2021-01-03T09:26Z STARTUP_MSG: java = 1.8.0_281 ************************************************************/ 2025-06-18 16:50:45,335 INFO checker.ThrottledAsyncChecker: Scheduling a check for [DISK]file:/D:/hadoop-3.2.2/data/datanode 2025-06-18 16:50:45,420 INFO impl.MetricsConfig: Loaded properties from hadoop-metrics2.properties 2025-06-18 16:50:45,483 INFO impl.MetricsSystemImpl: Scheduled Metric snapshot period at 10 second(s). 2025-06-18 16:50:45,484 INFO impl.MetricsSystemImpl: DataNode metrics system started 2025-06-18 16:50:46,677 INFO common.Util: dfs.datanode.fileio.profiling.sampling.percentage set to 0. Disabling file IO profiling 2025-06-18 16:50:46,689 INFO datanode.BlockScanner: Initialized block scanner with targetBytesPerSec 1048576 2025-06-18 16:50:46,692 INFO datanode.DataNode: Configured hostname is LAPTOP-FK5QKFGQ 2025-06-18 16:50:46,693 INFO common.Util: dfs.datanode.fileio.profiling.sampling.percentage set to 0. Disabling file IO profiling 2025-06-18 16:50:46,695 INFO datanode.DataNode: Starting DataNode with maxLockedMemory = 0 2025-06-18 16:50:46,709 INFO datanode.DataNode: Opened streaming server at /0.0.0.0:9866 2025-06-18 16:50:46,710 INFO datanode.DataNode: Balancing bandwidth is 10485760 bytes/s 2025-06-18 16:50:46,710 INFO datanode.DataNode: Number threads for balancing is 50 2025-06-18 16:50:46,741 INFO util.log: Logging initialized @7589ms to org.eclipse.jetty.util.log.Slf4jLog 2025-06-18 16:50:51,787 INFO server.AuthenticationFilter: Unable to initialize FileSignerSecretProvider, falling back to use random secrets. 2025-06-18 16:50:51,821 INFO http.HttpRequestLog: Http request log for http.requests.datanode is not defined 2025-06-18 16:50:51,828 INFO http.HttpServer2: Added global filter &#39;safety&#39; (class=org.apache.hadoop.http.HttpServer2$QuotingInputFilter) 2025-06-18 16:50:51,829 INFO http.HttpServer2: Added filter static_user_filter (class=org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter) to context datanode 2025-06-18 16:50:51,829 INFO http.HttpServer2: Added filter static_user_filter (class=org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter) to context logs 2025-06-18 16:50:51,830 INFO http.HttpServer2: Added filter static_user_filter (class=org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter) to context static 2025-06-18 16:50:51,848 INFO http.HttpServer2: Jetty bound to port 38751 2025-06-18 16:50:51,849 INFO server.Server: jetty-9.4.20.v20190813; built: 2019-08-13T21:28:18.144Z; git: 84700530e645e812b336747464d6fbbf370c9a20; jvm 1.8.0_281-b09 2025-06-18 16:50:51,865 INFO server.session: DefaultSessionIdManager workerName=node0 2025-06-18 16:50:51,865 INFO server.session: No SessionScavenger set, using defaults 2025-06-18 16:50:51,867 INFO server.session: node0 Scavenging every 660000ms 2025-06-18 16:50:51,874 INFO handler.ContextHandler: Started o.e.j.s.ServletContextHandler@2421cc4{logs,/logs,file:///D:/pyspark/Hadoop/hadoop-3.2.2/logs/,AVAILABLE} 2025-06-18 16:50:51,874 INFO handler.ContextHandler: Started o.e.j.s.ServletContextHandler@21ba0741{static,/static,file:///D:/pyspark/Hadoop/hadoop-3.2.2/share/hadoop/hdfs/webapps/static/,AVAILABLE} 2025-06-18 16:50:51,926 INFO util.TypeUtil: JVM Runtime does not support Modules 2025-06-18 16:50:51,932 INFO handler.ContextHandler: Started o.e.j.w.WebAppContext@43f82e78{datanode,/,file:///D:/pyspark/Hadoop/hadoop-3.2.2/share/hadoop/hdfs/webapps/datanode/,AVAILABLE}{file:/D:/pyspark/Hadoop/hadoop-3.2.2/share/hadoop/hdfs/webapps/datanode} 2025-06-18 16:50:51,939 INFO server.AbstractConnector: Started ServerConnector@1e097d59{HTTP/1.1,[http/1.1]}{localhost:38751} 2025-06-18 16:50:51,940 INFO server.Server: Started @12789ms 2025-06-18 16:50:52,540 INFO web.DatanodeHttpServer: Listening HTTP traffic on /0.0.0.0:9864 2025-06-18 16:50:52,545 INFO util.JvmPauseMonitor: Starting JVM pause monitor 2025-06-18 16:50:52,545 INFO datanode.DataNode: dnUserName = aaa 2025-06-18 16:50:52,546 INFO datanode.DataNode: supergroup = supergroup 2025-06-18 16:50:52,573 INFO ipc.CallQueueManager: Using callQueue: class java.util.concurrent.LinkedBlockingQueue, queueCapacity: 1000, scheduler: class org.apache.hadoop.ipc.DefaultRpcScheduler, ipcBackoff: false. 2025-06-18 16:50:52,583 INFO ipc.Server: Starting Socket Reader #1 for port 9867 2025-06-18 16:50:52,720 INFO datanode.DataNode: Opened IPC server at /0.0.0.0:9867 2025-06-18 16:50:52,729 INFO datanode.DataNode: Refresh request received for nameservices: null 2025-06-18 16:50:52,735 INFO datanode.DataNode: Starting BPOfferServices for nameservices: <default> 2025-06-18 16:50:52,740 INFO datanode.DataNode: Block pool <registering> (Datanode Uuid unassigned) service to localhost/127.0.0.1:9000 starting to offer service 2025-06-18 16:50:52,745 INFO ipc.Server: IPC Server Responder: starting 2025-06-18 16:50:52,745 INFO ipc.Server: IPC Server listener on 9867: starting 2025-06-18 16:50:52,954 INFO datanode.DataNode: Acknowledging ACTIVE Namenode during handshakeBlock pool <registering> (Datanode Uuid unassigned) service to localhost/127.0.0.1:9000 2025-06-18 16:50:52,956 INFO common.Storage: Using 1 threads to upgrade data directories (dfs.datanode.parallel.volumes.load.threads.num=1, dataDirs=1) 2025-06-18 16:50:52,965 INFO common.Storage: Lock on D:\hadoop-3.2.2\data\datanode\in_use.lock acquired by nodename 16808@LAPTOP-FK5QKFGQ 2025-06-18 16:50:52,970 WARN common.Storage: Failed to add storage directory [DISK]file:/D:/hadoop-3.2.2/data/datanode java.io.IOException: Incompatible clusterIDs in D:\hadoop-3.2.2\data\datanode: namenode clusterID = CID-0243def2-304c-4ffd-871c-57b2cdf0182f; datanode clusterID = CID-a6ff55fc-9daf-4605-8a53-edaae5a9f8de at org.apache.hadoop.hdfs.server.datanode.DataStorage.doTransition(DataStorage.java:744) at org.apache.hadoop.hdfs.server.datanode.DataStorage.loadStorageDirectory(DataStorage.java:294) at org.apache.hadoop.hdfs.server.datanode.DataStorage.loadDataStorage(DataStorage.java:407) at org.apache.hadoop.hdfs.server.datanode.DataStorage.addStorageLocations(DataStorage.java:387) at org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:559) at org.apache.hadoop.hdfs.server.datanode.DataNode.initStorage(DataNode.java:1748) at org.apache.hadoop.hdfs.server.datanode.DataNode.initBlockPool(DataNode.java:1684) at org.apache.hadoop.hdfs.server.datanode.BPOfferService.verifyAndSetNamespaceInfo(BPOfferService.java:392) at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:282) at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:829) at java.lang.Thread.run(Thread.java:748) 2025-06-18 16:50:52,973 ERROR datanode.DataNode: Initialization failed for Block pool <registering> (Datanode Uuid cd899db0-fd95-4996-8250-261d1d36dbda) service to localhost/127.0.0.1:9000. Exiting. java.io.IOException: All specified directories have failed to load. at org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:560) at org.apache.hadoop.hdfs.server.datanode.DataNode.initStorage(DataNode.java:1748) at org.apache.hadoop.hdfs.server.datanode.DataNode.initBlockPool(DataNode.java:1684) at org.apache.hadoop.hdfs.server.datanode.BPOfferService.verifyAndSetNamespaceInfo(BPOfferService.java:392) at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:282) at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:829) at java.lang.Thread.run(Thread.java:748) 2025-06-18 16:50:52,973 WARN datanode.DataNode: Ending block pool service for: Block pool <registering> (Datanode Uuid cd899db0-fd95-4996-8250-261d1d36dbda) service to localhost/127.0.0.1:9000 2025-06-18 16:50:52,974 INFO datanode.DataNode: Removed Block pool <registering> (Datanode Uuid cd899db0-fd95-4996-8250-261d1d36dbda) 2025-06-18 16:50:54,974 WARN datanode.DataNode: Exiting Datanode 2025-06-18 16:50:54,976 INFO datanode.DataNode: SHUTDOWN_MSG: /************************************************************ SHUTDOWN_MSG: Shutting down DataNode at LAPTOP-FK5QKFGQ/192.168.10.1 ************************************************************/
06-19
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o-3.0.16.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\fusesource\leveldbjni\leveldbjni-all\1.8\leveldbjni-all-1.8.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\glassfish\hk2\external\aopalliance-repackaged\2.6.1\aopalliance-repackaged-2.6.1.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\glassfish\hk2\external\jakarta.inject\2.6.1\jakarta.inject-2.6.1.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\glassfish\hk2\hk2-api\2.6.1\hk2-api-2.6.1.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\glassfish\hk2\hk2-locator\2.6.1\hk2-locator-2.6.1.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\glassfish\hk2\hk2-utils\2.6.1\hk2-utils-2.6.1.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\glassfish\hk2\osgi-resource-locator\1.0.3\osgi-resource-locator-1.0.3.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\glassfish\jersey\containers\jersey-container-servlet-core\2.34\jersey-container-servlet-core-2.34.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\glassfish\jersey\containers\jersey-container-servlet\2.34\jersey-container-servlet-2.34.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\glassfish\jersey\core\jersey-client\2.34\jersey-client-2.34.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\glassfish\jersey\core\jersey-common\2.34\jersey-common-2.34.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\glassfish\jersey\core\jersey-server\2.34\jersey-server-2.34.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\glassfish\jersey\inject\jersey-hk2\2.34\jersey-hk2-2.34.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\javassist\javassist\3.25.0-GA\javassist-3.25.0-GA.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\jetbrains\annotations\17.0.0\annotations-17.0.0.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\json4s\json4s-ast_2.12\3.7.0-M11\json4s-ast_2.12-3.7.0-M11.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\json4s\json4s-core_2.12\3.7.0-M11\json4s-core_2.12-3.7.0-M11.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\json4s\json4s-jackson_2.12\3.7.0-M11\json4s-jackson_2.12-3.7.0-M11.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\json4s\json4s-scalap_2.12\3.7.0-M11\json4s-scalap_2.12-3.7.0-M11.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\lz4\lz4-java\1.7.1\lz4-java-1.7.1.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\objenesis\objenesis\2.5.1\objenesis-2.5.1.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\roaringbitmap\RoaringBitmap\0.9.0\RoaringBitmap-0.9.0.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\roaringbitmap\shims\0.9.0\shims-0.9.0.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\rocksdb\rocksdbjni\6.20.3\rocksdbjni-6.20.3.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\scala-lang\modules\scala-parser-combinators_2.12\1.1.2\scala-parser-combinators_2.12-1.1.2.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\scala-lang\modules\scala-xml_2.12\1.2.0\scala-xml_2.12-1.2.0.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\scala-lang\scala-library\2.12.15\scala-library-2.12.15.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\scala-lang\scala-reflect\2.12.15\scala-reflect-2.12.15.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\slf4j\jcl-over-slf4j\1.7.30\jcl-over-slf4j-1.7.30.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\slf4j\jul-to-slf4j\1.7.30\jul-to-slf4j-1.7.30.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\slf4j\slf4j-api\1.7.30\slf4j-api-1.7.30.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\slf4j\slf4j-log4j12\1.7.30\slf4j-log4j12-1.7.30.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\spark-project\spark\unused\1.0.0\unused-1.0.0.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\threeten\threeten-extra\1.5.0\threeten-extra-1.5.0.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\tukaani\xz\1.8\xz-1.8.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\org\xerial\snappy\snappy-java\1.1.8.4\snappy-java-1.1.8.4.jar;C:\Users\21279\AppData\Local\Coursier\cache\v1\https\repo1.maven.org\maven2\oro\oro\2.0.8\oro-2.0.8.jar Titanic Using Spark&#39;s default log4j profile: org/apache/spark/log4j-defaults.properties 25/06/19 11:13:36 INFO SparkContext: Running Spark version 3.2.0 25/06/19 11:13:37 INFO ResourceUtils: ============================================================== 25/06/19 11:13:37 INFO ResourceUtils: No custom resources configured for spark.driver. 25/06/19 11:13:37 INFO ResourceUtils: ============================================================== 25/06/19 11:13:37 INFO SparkContext: Submitted application: Titanic 25/06/19 11:13:37 INFO ResourceProfile: Default ResourceProfile created, executor resources: Map(cores -> name: cores, amount: 1, script: , vendor: , memory -> name: memory, amount: 1024, script: , vendor: , offHeap -> name: offHeap, amount: 0, script: , vendor: ), task resources: Map(cpus -> name: cpus, amount: 1.0) 25/06/19 11:13:37 INFO ResourceProfile: Limiting resource is cpu 25/06/19 11:13:37 INFO ResourceProfileManager: Added ResourceProfile id: 0 25/06/19 11:13:37 INFO SecurityManager: Changing view acls to: 21279 25/06/19 11:13:37 INFO SecurityManager: Changing modify acls to: 21279 25/06/19 11:13:37 INFO SecurityManager: Changing view acls groups to: 25/06/19 11:13:37 INFO SecurityManager: Changing modify acls groups to: 25/06/19 11:13:37 INFO SecurityManager: SecurityManager: authentication disabled; ui acls disabled; users with view permissions: Set(21279); groups with view permissions: Set(); users with modify permissions: Set(21279); groups with modify permissions: Set() 25/06/19 11:13:38 INFO Utils: Successfully started service &#39;sparkDriver&#39; on port 58426. 25/06/19 11:13:38 INFO SparkEnv: Registering MapOutputTracker 25/06/19 11:13:38 INFO SparkEnv: Registering BlockManagerMaster 25/06/19 11:13:38 INFO BlockManagerMasterEndpoint: Using org.apache.spark.storage.DefaultTopologyMapper for getting topology information 25/06/19 11:13:38 INFO BlockManagerMasterEndpoint: BlockManagerMasterEndpoint up 25/06/19 11:13:38 INFO SparkEnv: Registering BlockManagerMasterHeartbeat 25/06/19 11:13:39 INFO DiskBlockManager: Created local directory at C:\Users\21279\AppData\Local\Temp\blockmgr-d9717778-5c19-4b54-ba8c-bdc23a2bec0f 25/06/19 11:13:39 INFO MemoryStore: MemoryStore started with capacity 1985.4 MiB 25/06/19 11:13:39 INFO SparkEnv: Registering OutputCommitCoordinator 25/06/19 11:13:39 INFO Utils: Successfully started service &#39;SparkUI&#39; on port 4040. 25/06/19 11:13:39 INFO SparkUI: Bound SparkUI to 0.0.0.0, and started at http://lxf:4040 25/06/19 11:13:39 INFO Executor: Starting executor ID driver on host lxf 25/06/19 11:13:39 INFO Utils: Successfully started service &#39;org.apache.spark.network.netty.NettyBlockTransferService&#39; on port 58453. 25/06/19 11:13:39 INFO NettyBlockTransferService: Server created on lxf:58453 25/06/19 11:13:39 INFO BlockManager: Using org.apache.spark.storage.RandomBlockReplicationPolicy for block replication policy 25/06/19 11:13:39 INFO BlockManagerMaster: Registering BlockManager BlockManagerId(driver, lxf, 58453, None) 25/06/19 11:13:39 INFO BlockManagerMasterEndpoint: Registering block manager lxf:58453 with 1985.4 MiB RAM, BlockManagerId(driver, lxf, 58453, None) 25/06/19 11:13:39 INFO BlockManagerMaster: Registered BlockManager BlockManagerId(driver, lxf, 58453, None) 25/06/19 11:13:39 INFO BlockManager: Initialized BlockManager: BlockManagerId(driver, lxf, 58453, None) 25/06/19 11:13:39 WARN SparkContext: Using an existing SparkContext; some configuration may not take effect. 25/06/19 11:13:40 INFO SharedState: Setting hive.metastore.warehouse.dir (&#39;null&#39;) to the value of spark.sql.warehouse.dir. 25/06/19 11:13:40 INFO SharedState: Warehouse path is &#39;file:/D:/workspace/Maven/titanic_demo/spark-warehouse&#39;. 25/06/19 11:13:41 WARN FileSystem: Failed to initialize fileystem hdfs://192.168.42:9000/user/hadoop/titanic/titanic.csv: java.io.IOException: Incomplete HDFS URI, no host: hdfs://192.168.42:9000/user/hadoop/titanic/titanic.csv 25/06/19 11:13:41 WARN FileStreamSink: Assume no metadata directory. Error while looking for metadata directory in the path: hdfs://192.168.42:9000/user/hadoop/titanic/titanic.csv. java.io.IOException: Incomplete HDFS URI, no host: hdfs://192.168.42:9000/user/hadoop/titanic/titanic.csv at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:183) at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:3469) at org.apache.hadoop.fs.FileSystem.access$300(FileSystem.java:174) at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:3574) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:3521) at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:540) at org.apache.hadoop.fs.Path.getFileSystem(Path.java:365) at org.apache.spark.sql.execution.streaming.FileStreamSink$.hasMetadata(FileStreamSink.scala:53) at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:370) at org.apache.spark.sql.DataFrameReader.loadV1Source(DataFrameReader.scala:274) at org.apache.spark.sql.DataFrameReader.$anonfun$load$3(DataFrameReader.scala:245) at scala.Option.getOrElse(Option.scala:189) at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:245) at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:188) at Titanic$.main(Titanic.scala:27) at Titanic.main(Titanic.scala) 25/06/19 11:13:41 WARN FileSystem: Failed to initialize fileystem hdfs://192.168.42:9000/user/hadoop/titanic/titanic.csv: java.io.IOException: Incomplete HDFS URI, no host: hdfs://192.168.42:9000/user/hadoop/titanic/titanic.csv Exception in thread "main" java.io.IOException: Incomplete HDFS URI, no host: hdfs://192.168.42:9000/user/hadoop/titanic/titanic.csv at org.apache.hadoop.hdfs.DistributedFileSystem.initialize(DistributedFileSystem.java:183) at org.apache.hadoop.fs.FileSystem.createFileSystem(FileSystem.java:3469) at org.apache.hadoop.fs.FileSystem.access$300(FileSystem.java:174) at org.apache.hadoop.fs.FileSystem$Cache.getInternal(FileSystem.java:3574) at org.apache.hadoop.fs.FileSystem$Cache.get(FileSystem.java:3521) at org.apache.hadoop.fs.FileSystem.get(FileSystem.java:540) at org.apache.hadoop.fs.Path.getFileSystem(Path.java:365) at org.apache.spark.sql.execution.datasources.DataSource$.$anonfun$checkAndGlobPathIfNecessary$1(DataSource.scala:747) at scala.collection.immutable.List.map(List.scala:293) at org.apache.spark.sql.execution.datasources.DataSource$.checkAndGlobPathIfNecessary(DataSource.scala:745) at org.apache.spark.sql.execution.datasources.DataSource.checkAndGlobPathIfNecessary(DataSource.scala:577) at org.apache.spark.sql.execution.datasources.DataSource.resolveRelation(DataSource.scala:408) at org.apache.spark.sql.DataFrameReader.loadV1Source(DataFrameReader.scala:274) at org.apache.spark.sql.DataFrameReader.$anonfun$load$3(DataFrameReader.scala:245) at scala.Option.getOrElse(Option.scala:189) at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:245) at org.apache.spark.sql.DataFrameReader.load(DataFrameReader.scala:188) at Titanic$.main(Titanic.scala:27) at Titanic.main(Titanic.scala) 25/06/19 11:13:41 INFO SparkContext: Invoking stop() from shutdown hook 25/06/19 11:13:41 INFO SparkUI: Stopped Spark web UI at http://lxf:4040 25/06/19 11:13:41 INFO MapOutputTrackerMasterEndpoint: MapOutputTrackerMasterEndpoint stopped! 25/06/19 11:13:41 INFO MemoryStore: MemoryStore cleared 25/06/19 11:13:41 INFO BlockManager: BlockManager stopped 25/06/19 11:13:41 INFO BlockManagerMaster: BlockManagerMaster stopped 25/06/19 11:13:41 INFO OutputCommitCoordinator$OutputCommitCoordinatorEndpoint: OutputCommitCoordinator stopped! 25/06/19 11:13:41 INFO SparkContext: Successfully stopped SparkContext 25/06/19 11:13:41 INFO ShutdownHookManager: Shutdown hook called 25/06/19 11:13:41 INFO ShutdownHookManager: Deleting directory C:\Users\21279\AppData\Local\Temp\spark-f92de141-507f-4f46-a675-bdf38dd1487f Process finished with exit code 1
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