https://docs.cask.co/cdap/current/en/admin-manual/installation/mapr.html#starting-cdap-services
)尽管服务的启动循环没有显示任何错误。启动服务并检查其状态后的输出如下所示:
[root@mapr007 conf]# for i in `ls /etc/init.d/ | grep cdap` ; do sudo service $i start ; done
/usr/bin/id: cannot find name for group ID 504
Wed Nov 21 16:03:01 HST 2018 Starting CDAP Auth Server service on mapr007.org.local
/usr/bin/id: cannot find name for group ID 504
Wed Nov 21 16:03:04 HST 2018 Starting CDAP Kafka Server service on mapr007.org.local
/usr/bin/id: cannot find name for group ID 504
Wed Nov 21 16:03:07 HST 2018 Starting CDAP Master service on mapr007.org.local
Warning: Unable to determine $DRILL_HOME
Wed Nov 21 16:03:48 HST 2018 Ensuring required HBase coprocessors are on HDFS
Wed Nov 21 16:04:00 HST 2018 Running CDAP Master startup checks -- this may take a few minutes
/usr/bin/id: cannot find name for group ID 504
Wed Nov 21 16:04:15 HST 2018 Starting CDAP Router service on mapr007.org.local
/usr/bin/id: cannot find name for group ID 504
Wed Nov 21 16:04:17 HST 2018 Starting CDAP UI service on mapr007.org.local
[root@mapr007 conf]# for i in `ls /etc/init.d/ | grep cdap` ; do sudo service $i status ; done
/usr/bin/id: cannot find name for group ID 504
PID file /var/cdap/run/auth-server-cdap.pid exists, but process 12126 does not appear to be running
/usr/bin/id: cannot find name for group ID 504
CDAP Kafka Server running as PID 12653
/usr/bin/id: cannot find name for group ID 504
PID file /var/cdap/run/master-cdap.pid exists, but process 15789 does not appear to be running
/usr/bin/id: cannot find name for group ID 504
CDAP Router running as PID 16184
/usr/bin/id: cannot find name for group ID 504
CDAP UI running as PID 16308
explore.enabled
cdap-site.xml中的值为false。
查看cdap-site.xml,web UI端口看起来确实设置为默认的11011,但却看不到它(如果只是为了检查UI是否会告诉我有关任何错误的更多信息),尽管它报告为正在运行。
检查一些关于PIDs的信息,看到了吗
# looking at the process that report to not be running
[root@mapr007 conf.dist]# ps -p 12126
PID TTY TIME CMD
[root@mapr007 conf.dist]# ps -p 15789
PID TTY TIME CMD
# looking at the rest of the processes
[root@mapr007 conf.dist]# ps -p 12653
PID TTY TIME CMD
12653 ? 00:08:12 java
[root@mapr007 conf.dist]# ps -p 16184
PID TTY TIME CMD
16184 ? 00:03:02 java
[root@mapr007 conf.dist]# ps -p 16308
PID TTY TIME CMD
16308 ? 00:00:01 node
security.auth.server.bind.port
正在被其他服务使用
root@mapr007 conf.dist]# netstat -anp | grep 10009
更新
重新启动服务以尝试获取更多日志数据,现在看到一些错误(我想这比不抱怨然后不工作要好)
[root@mapr007 conf.dist]# for i in `ls /etc/init.d/ | grep cdap` ; do sudo service $i stop ; done
/usr/bin/id: cannot find name for group ID 504
Mon Nov 26 11:06:29 HST 2018 Stopping CDAP Auth Server ...
/usr/bin/id: cannot find name for group ID 504
Mon Nov 26 11:06:29 HST 2018 Stopping CDAP Kafka Server ....
/usr/bin/id: cannot find name for group ID 504
Mon Nov 26 11:06:30 HST 2018 Stopping CDAP Master ...
/usr/bin/id: cannot find name for group ID 504
Mon Nov 26 11:06:31 HST 2018 Stopping CDAP Router ....
/usr/bin/id: cannot find name for group ID 504
Mon Nov 26 11:06:32 HST 2018 Stopping CDAP UI ....
[root@mapr007 conf.dist]# for i in `ls /etc/init.d/ | grep cdap` ; do sudo service $i start ; done
/usr/bin/id: cannot find name for group ID 504
Mon Nov 26 11:06:41 HST 2018 Starting CDAP Auth Server service on mapr007.org.local
/usr/bin/id: cannot find name for group ID 504
Mon Nov 26 11:06:44 HST 2018 Starting CDAP Kafka Server service on mapr007.org.local
/usr/bin/id: cannot find name for group ID 504
Mon Nov 26 11:06:47 HST 2018 Starting CDAP Master service on mapr007.org.local
Warning: Unable to determine $DRILL_HOME
Mon Nov 26 11:07:17 HST 2018 Ensuring required HBase coprocessors are on HDFS
Mon Nov 26 11:08:57 HST 2018 Running CDAP Master startup checks -- this may take a few minutes
[ERROR] Master startup checks failed. Please check /var/log/cdap/master-cdap-mapr007.org.local.log to address issues.
/usr/bin/id: cannot find name for group ID 504
Mon Nov 26 11:10:08 HST 2018 Starting CDAP Router service on mapr007.org.local
/usr/bin/id: cannot find name for group ID 504
Mon Nov 26 11:10:11 HST 2018 Starting CDAP UI service on mapr007.org.local
检查/var/log/cdap/master-cdap-mapr007.org.local.log文件的内容,在底部可以看到
...
...
...
2018-11-26 11:10:06,996 - ERROR [main:c.c.c.m.s.MasterStartupTool@109] - YarnCheck failed with RuntimeException: Unable to get status of YARN nodemanagers. Please check that YARN is running and that the correct Hadoop configuration (core-site.xml, yarn-site.xml) and libraries are included in the CDAP master classpath.
java.lang.RuntimeException: Unable to get status of YARN nodemanagers. Please check that YARN is running and that the correct Hadoop configuration (core-site.xml, yarn-site.xml) and libraries are included in the CDAP master classpath.
at co.cask.cdap.master.startup.YarnCheck.run(YarnCheck.java:79) ~[co.cask.cdap.cdap-master-5.1.0.jar:na]
at co.cask.cdap.common.startup.CheckRunner.runChecks(CheckRunner.java:51) ~[co.cask.cdap.cdap-common-5.1.0.jar:na]
at co.cask.cdap.master.startup.MasterStartupTool.canStartMaster(MasterStartupTool.java:106) [co.cask.cdap.cdap-master-5.1.0.jar:na]
at co.cask.cdap.master.startup.MasterStartupTool.main(MasterStartupTool.java:96) [co.cask.cdap.cdap-master-5.1.0.jar:na]
Caused by: java.util.concurrent.TimeoutException: null
at java.util.concurrent.FutureTask.get(FutureTask.java:205) ~[na:1.8.0_181]
at co.cask.cdap.master.startup.YarnCheck.run(YarnCheck.java:76) ~[co.cask.cdap.cdap-master-5.1.0.jar:na]
... 3 common frames omitted
2018-11-26 11:10:07,006 - ERROR [main:c.c.c.m.s.MasterStartupTool@113] - Root cause: TimeoutException:
2018-11-26 11:10:07,006 - ERROR [main:c.c.c.m.s.MasterStartupTool@116] - Errors detected while starting up master. Please check the logs, address all errors, then try again.
由于异常,分布式CDAP上的CDAP服务未启动。我该怎么办?
“文档中的常见问题似乎没有帮助(
https://docs.cask.co/cdap/current/en/faqs/cdap.html#cdap-services-on-distributed-cdap-aren-t-starting-up-due-to-an-exception-what-should-i-do
将继续调试,但如果您对这些新错误有任何意见,我们将不胜感激。
