_MSG: args = [–format] STARTUP_MSG: version= 2.5.0-cdh5.3.0 STARTUP_MSG classpath = /etc/hadoop/conf:/usr/libhadoop/lib/gson-2.2.4.jar:/usr/lib/hadoop/lib/snappy-java-1.0.4.1.jar:/usr/lib/hadoop/lib/avro.jar:/usr/lib/hadoop/lib/commons-net-3.1.jar:/usr/lib/hadoop/lib/...
StringUtils.startupShutdownMessage(NameNode.class, argv, LOG); //所有namenode相关启动命令调用统一的方法 NameNode namenode = createNameNode(argv, null); // 如果namenode不为null,则表明是调用的启动namenode方法。这时候应该调用namenode的join方法等待服务关闭 if (namenode != null) { namenode.join(...
StartupOption startOpt = NameNode.getStartupOption(conf); if (startOpt == StartupOption.RECOVER) { namesystem.setSafeMode(SafeModeAction.SAFEMODE_ENTER); } long loadStart = now(); try { //加载镜像、重做编辑日志,并打开一个新编辑文件都在此方法中 namesystem.loadFSImage(startOpt); } catch...
dfs.namenode.startup.delay.block.deletion.sec is set to 000:00:00:00.00016/05/06 22:11:10 INFO blockmanagement.BlockManager The block deletion will start around 2016 May 06 22:11:1016/05/06 22:11:10 INFO util.GSet: Computing capacityfor map BlocksMap16/05/06 22:11:10 INFO util...
hadoop dfsadmin -safemodeleave 但namenode无法进⼊入安全模式,报错信息:无法连接standby服务 safemode:CallFromdb-nn1.inc.mtime.com/10.10.110.100todb-nn1.inc.mtime.com:8020failed on connection exception: java.net.ConnectException: Connection refused; Formore details see: http://wiki.apache.org/hadoop...
网络故障：如果网络配置不正确或存在网络故障，可能导致 NameNode 无法启动。在这种情况下，需要检查网络...
namenode未启动-namenode join异常我认为您没有正确授予namenode元数据位置的权限。为确保其正常工作，请...
STARTUP_MSG: classpath = /Users/jessica/Downloads/hadoop-2.8.2/etc/hadoop:/Users/jessica/...
集群启动正常,日志没有报错,但是http://192.168.11.81:50070/一直提示“NameNode is still loading. Redirecting to the Startup Progress page.” 有人说是“hadoop刚刚启动时,会进入安全模式进行自检,自检完毕就好了”,但是通过命令hdfs dfsadmin -safemode get查看,集群并不在安全模式下。
dfs.namenode.startup.delay.block.deletion.sec is set to 000:00:00:00.000 2020-04-22 13:11:34,284 INFO org.apache.hadoop.hdfs.server.blockmanagement.BlockManager: The block deletion will start around 2020 四月 22 13:11:34 2020-04-22 13:11:34,286 INFO org.apache.hadoop.util.GSet: Com...