1.启动agent报错
- [17/Aug/2017 16:15:19 +0000] 4162 HTTPServer Thread-2 _cplogging
ERROR [17/Aug/2017:16:15:19] ENGINE Error in HTTP server: shutting
down Traceback (most recent call last): File
"/app/hadoop/cm-5.12.0/lib64/cmf/agent/build/env/lib/python2.6/site-packages/CherryPy-3.2.2-py2.6.egg/cherrypy/process/servers.py",
line 187, in _start_http_thread self.httpserver.start() File
"/app/hadoop/cm-5.12.0/lib64/cmf/agent/build/env/lib/python2.6/site-packages/CherryPy-3.2.2-py2.6.egg/cherrypy/wsgiserver/wsgiserver2.py",
line 1825, in start raise socket.error(msg) error: No socket could be
created on ('bjxhm-hadoop-92', 9000) -- [Errno 99] Cannot assign
requested address
以上问题解决办法:仔细检查 /etc/hosts中ip与主机映射名称是否有错误
2.安装错误进行清理操作
- sudo service cloudera-scm-server stop
- sudo service cloudera-scm-agent stop
- sudo ps -ef |grep cloudera |grep -v ‘grep’|awk ‘{print $2" "$3}’|xargs -t -i sudo kill -9 {}
- sudo umount cm_processes
- sudo rm -rf ~/cm-5.12.0/lib/cloudera-scm-agent/*
- sudo rm -rf /opt/cloudera/parcel-cache/
- sudo service cloudera-scm-server start
- sudo service cloudera-scm-agent start
- tail -f /opt/cm-5.12.0/log/cloudera-scm-server/cloudera-scm-server.log
- sudo ps -ef |grep cloudera |grep -v ‘grep’|awk ‘{print $2" "$3}’|xargs -t -i sudo kill -9 {}
- sudo umount cm_processes
- sudo rm -rf /opt/cm-5.12.0/lib/cloudera-scm-agent/*
- sudo rm -rf /opt/cloudera/parcel-cache/
3.群集测试hue连接mysql出现error:Unable to verify database connection.
-
解决:
copy:libmysqlclient.so.18.0.0 做软连接:libmysqlclient.so.18 -> libmysqlclient.so.18.0.0 ln –s libmysqlclient.so.18 libmysqlclient.so.18.0.0 配置指向路径,ld.so.conf不是i
4.在用cloudera manager编辑各个组件配置的时候
-
有可能会出现报错信息:
Error while committing the transaction
-
原因:
CM元数据库 字符集不兼容 字段 VALUE MESSAGE 无法写入对应的值。
-
解决办法:
修改元数据库。use cm_db; alter table CONFIGS modify `VALUE` longtext character set utf8 collate utf8_general_ci; alter table CONFIGS_AUD modify `VALUE` longtext character set utf8 collate utf8_general_ci; alter table GLOBAL_SETTINGS modify `VALUE` longtext character set utf8 collate utf8_general_ci; alter table USER_SETTINGS modify `VALUE` longtext character set utf8 collate utf8_general_ci; alter table AUDITS modify `MESSAGE` longtext character set utf8 collate utf8_general_ci; alter table REVISIONS modify `MESSAGE` longtext character set utf8 collate utf8_general_ci;