Error: java.io.IOException: Initialization of all the collectors failed. Error in last collector was :interface javax.xml.soap.Text Initialization of all the collectors failed  : 初始化所有收集器失败 2016-03-12 20:08:46,874 WARN org.apache.hadoop.hdfs.DFSClien

在 cd  /home/hadoop/hadoop-2.5.2/bin 下 执行的./hdfs namenode -format 报错[hadoop@node1 bin]$ ./hdfs namenode –format 16/07/11 09:21:21 INFO namenode.NameNode: STARTUP_MSG:/************************************************************STARTUP_MSG: Starting Na

Hadoop0.20.203.0在关机重启后,namenode启动报错: 2011-10-21 05:22:20,504 INFO org.apache.hadoop.hdfs.server.common.Storage: Storage directory /tmp/hadoop-fzuir/dfs/name does not exist. 2011-10-21 05:22:20,506 ERROR org.apache.hadoop.hdfs.server.namenode.FSNamesy

一.情况描述 启动hadoop后发现无法打开hdfs web界面,50070打不开,于是jps发现少了一个namenode: 查看日志信息,发现如下报错: 2022-01-03 23:54:10,993 INFO org.apache.hadoop.hdfs.server.namenode.FSImage: Planning to load image: FSImageFile(file=/export/servers/hadoop-3.1.4/hadoopDatas/namenodeDatas

// :: FATAL namenode.NameNode: Failed to start namenode. org.apache.hadoop.hdfs.qjournal.client.QuorumException: Unable to check successful responses: : false exceptions thrown: : No Route to Host failed on socket timeout exception: java.net.NoRouteT

错误内容: Formatting using clusterid: CID-19921335-620f-4e72-a056-899702613a6b2019-01-12 07:28:46,986 INFO namenode.FSEditLog: Edit logging is async:true2019-01-12 07:28:47,043 INFO namenode.FSNamesystem: KeyProvider: null2019-01-12 07:28:47,044 INFO nam

一.参考文档: 1.https://www.rittmanmead.com/blog/2014/03/using-sqoop-for-loading-oracle-data-into-hadoop-on-the-bigdatalite-vm/ 2.http://www.cnblogs.com/bjtu-leefon/archive/2013/06/28/3160549.html 二.使用脚本 ----sqoop import zdsd 使用注意: 1.执行节点 Sqoop_home/lib 里添

org.apache.hadoop.ipc.RemoteException(org.apache.hadoop.ipc.StandbyException): Operation category JOURNAL is not supported in state standby  at org.apache.hadoop.hdfs.server.namenode.ha.StandbyState.checkOperation(StandbyState.java:87)  at org.apache

所花时间:7天 代码行:1000(Java)+500(Python)+300(C++) 博客量:1篇 了解到知识点 : 一: 解决"Class org.apache.hadoop.hdfs.DistributedFileSystem not found"问题 hadoop-hdfs-client-3.1.1.jar (1)”/usr/local/hadoop/share/hadoop/common”目录下的hadoop-common-2.7.1.jar和haoop-nfs-2.7.1.

确认配置正确前提下,将name目录删除重建,再格式化: hadoop防止将已经存在的集群格式化

一,/home/hadoop/tmp/dfs/name/current 目录下查看文件二,1.stop hadoop所有的服务;2.重新格式化namenode即可: hadoop根目录下: hadoop namenode -format 重新格式化完就好了重新格式化完后要更改文件目录权限hadoop fs -chmod -R 777 /tmp三,hadoop配置挺麻烦的,总会出现各种奇葩问题,之前把物理机上的配置复制到虚拟机中就报错resourcemanager无法启动,后来把配置文件都删了重新

http://hadoop.apache.org/docs/current/hadoop-yarn/hadoop-yarn-common/yarn-default.xml  3.0.0 yarn.scheduler.minimum-allocation-mb 1024 The minimum allocation for every container request at the RM in MBs. Memory requests lower than this will be set to

Hadoop0.20.2在关机重启后,namenode启动报错: 用bin/hadoop namenode -format重新格式化一下就好了.这个问题已经出现了两次.每次都格式化,显然不是一个专业的解决办法. 经查询,发现是因为临时文件夹/tmp会被删除,解决方法就是在core-site.xml中添加hadoop.tmp.dir属性: <property> <name>hadoop.tmp.dir</name> <value>/opt/Hadoop-0..

方法一:查看日志报SessionExpiredException: KeeperErrorCode = Session expired for /hbase/master 所以是hbase 和 zookeeper之间会话超时了,按照官网的常见问题说法: http://hbase.apache.org/1.2/book.html If you wish to increase the session timeout, add the following to your hbase-site.xml

flume使用hdfs sinks时候报错:org.apache.flume.EventDeliveryException: java.lang.NullPointerException: Expected timestamp in the Flume event headers, but it was null 解决方法:sink是hdfs,然后使用目录自动生成功能.出现如题的错误,看官网文档说的是需要在每个文件记录行的开头需要有时间戳,但是时间戳的格式可能比较难调节,所以亦可设置 hdfs.

Secondary namenode 首先,我们假设如果存储在Namenode节点的磁盘中,因为经常需要进行随机访问,还有响应客户请求,必然是效率过低.因此,元数据需要存放在内存中.但如果只存在内存中,一旦断点,元数据丢失,整个集群就无法工作了!!!因此必须在磁盘中有备份,在磁盘中的备份就是fsImage,存放在Namenode节点对应的磁盘中.当在内存中的元数据更新时,如果同时更新fsImage镜像文件(文件的随机读写),会导致效率过低,但如果不更新,就会发生一致性问题,一旦Namenode节

1,one source two channel 创建conf文件,内容如下: #定义agent名, source.channel.sink的名称 access.sources = r1 access.channels = c1 c2 access.sinks = k1 k2 #具体定义source access.sources.r1.type = netcat access.sources.r1.bind = 0.0.0.0 access.sources.r1.port = #具体定义chan

java.io.IOException: Incompatible clusterIDs in /export/hadoop-2.7.5/hadoopDatas/datanodeDatas2: namenode clusterID = CID-b3356ee2-aaae-4b89-86e2-e6eec8fe6e00; datanode clusterID = CID-c648893d-0a5b-4dc3-ae95-e962e62e0c6c at org.apache.hadoop.hdfs.se

主节点间歇性报错其他没有问题 ,SNN的NN没有问题,相关的journalNode也都在,就是主节点的NN会停止. 查看hadoop主节点的NN日志. 2016-11-21 22:36:40,908 WARN org.apache.hadoop.hdfs.qjournal.client.QuorumJournalManager: Waited 19822 ms (timeout=20000 ms) for a response for sendEdits. No responses yet. 2

异常描述: 在对HDFS格式化,执行hadoop namenode -format命令时,出现未知的主机名的问题,异常信息如下所示: [shirdrn@localhost bin]$ hadoop namenode -format // :: INFO namenode.NameNode: STARTUP_MSG: /************************************************************ STARTUP_MSG: Starting NameNod

在对HDFS格式化,执行hadoop namenode -format命令时,出现未知的主机名的问题,异常信息如下所示: [shirdrn@localhost bin]$ hadoop namenode -format11/06/22 07:33:31 INFO namenode.NameNode: STARTUP_MSG: /************************************************************STARTUP_MSG: Starting Nam