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 'hexiaoqiao' 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 'safety' (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
************************************************************/
本文介绍了如何在项目中配置Apache Spark和Hadoop的依赖项，排除了潜在冲突的库，如Netty和Jetty，确保了集群环境下的稳定运行。
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