1.在启动CDH中master的服务cloudera-scm-server start并立刻挂掉了,提示如下错误 org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'com.cloudera.server.cmf.TrialState': Cannot resolve reference to bean 'entityManagerFactoryBean' while se…

1.刚安装好CDH5.16.1集群(2个节点)出现了under replicated blocks错误,如下图 2.原因是CDH默认文件备份3份,而我们只有2节点,所以解决方法如下: ①集群增加一个新节点,步骤可见:<CDH5.16.1集群增加新节点> ②如果没有新机器增加节点,也可以使用hadoop的setrep命令将/目录下的文件备份数量修改为2 hadoop fs -setrep -R - / 可以指定某些文件文件备份数量 hadoop dfs -setrep - /path/to/fi…

报错原因以及解决办法在官网: https://www.cloudera.com/documentation/enterprise/5-8-x/topics/cm_failover_db.html 1.原因 Cloudera Manager Failover Protection A CDH cluster managed by Cloudera Manager can have only one instance of Cloudera Manager active at a time. A C…

1.在CDH集群启动Hue服务时,出现了错误,如下图: 2.上图显示得知,是调用python文件(/opt/cloudera/parcels/CDH-5.16.1-1.cdh5.16.1.p0.3/lib/hue/build/env/lib/python2.7/site-packages/Django-1.6.10-py2.7.egg/django/core/management/base.py)时出现了字符集错误. 3.在master主机上修改该文件,增加py代码 import sys rel…

参考 https://blog.csdn.net/levy_cui/article/details/51243335…

错误 [root@hadoop test]# hadoop jar hadoop.jarcom.hadoop.hdfs.CopyToHDFS 14/01/26 10:20:00 WARN hdfs.DFSClient: DataStreamerException: org.apache.hadoop.ipc.RemoteException: java.io.IOException: File/user/hadoop/test/01/hello.txt could only be replicat…

报错背景: CDH集成kafka插件之后,启动kafka时就报出此错误. 报错现象: -- ::, ERROR state.change.logger: [Controller epoch=] Initiated state change from OfflinePartition to OnlinePartition failed kafka.common.NoReplicaOnlineException: No replica in ISR for partition __consumer_…

报错背景: CDH未关闭的情况下,Linux断电,导致cloudera-scm-server无法启动. 报错现象: 输入启动命令之后:/opt/cm-5.15.1/etc/init.d/cloudera-scm-server start, cloudera-scm-server 会启动,但是几秒中之后就会死掉,显示:cloudera-scm-server 已死,但 pid 文件存在. 于是查看日志文件:vim /opt/cm-5.15.1/log/cloudera-scm-server/clou…

问题: 为cdh新增节点时,在分配datanode后,启动报错 Can't open /iot/opt/cloudera-manager/cm-5.11.2/run/cloudera-scm-agent/process/642-hdfs-DATANODE/config.zip: 权限不够. Can't open /iot/opt/cloudera-manager/cm-5.11.2/run/cloudera-scm-agent/process/642-hdfs-DATANODE/proc.jso…

1 报错信息如下 +======================================================================+| Error: JAVA_HOME is not set and Java could not be found |+----------------------------------------------------------------------+| Please download the latest Oracle JD…