Hello again Ted,

I did the following :

·         launched the command ‘beeline’

·         launched the command (under beeline) : !connect 
jdbc:hive2://<host>:<port>/<db>;principal=<Server_Principal_of_HiveServer2>
And I got the following message :

Driver: Hive JDBC (version 1.1.0-cdh5.14.0)
Transaction isolation: TRANSACTION_REPEATABLE_READ

Could this be the source of the problem, and, if yes, how to correct it ?

Thank you for your help.

Best regards,
Jean-Luc.

De : BELLIER Jean-luc
Envoyé : lundi 12 février 2018 14:39
À : user@kylin.apache.org
Objet : RE: Cannot rebuild cubes

Hello again,

My test is not conclusive, because the time slice I chose was before 2012. 
There is no data before this year. So it is normal.
I did then another test, to get the data between 2010-01-01 and 2014-02-02, but 
I still get the same result : no data available on step 1. I attach my 
kylin.log file.

In my kylin.log file, I can find the following error message while trying to 
create the temp Hive tables :
2018-02-12 14:30:01,574 INFO  [Scheduler 481383589 Job 
8a97abb9-69c0-4484-b2e0-ed801dcb845a-161] hive.CreateFlatHiveTableStep:38 : 
Connecting to jdbc:hive2://cloudera-manager.hades.rte-france.com:10000/
2018-02-12 14:30:01,754 INFO  [Scheduler 481383589 Job 
8a97abb9-69c0-4484-b2e0-ed801dcb845a-161] hive.CreateFlatHiveTableStep:38 : 
Unknown HS2 problem when communicating with Thrift server.
2018-02-12 14:30:01,754 INFO  [Scheduler 481383589 Job 
8a97abb9-69c0-4484-b2e0-ed801dcb845a-161] hive.CreateFlatHiveTableStep:38 : 
Error: Could not open client transport with JDBC Uri: 
jdbc:hive2://cloudera-manager.hades.rte-france.com:10000/: Peer indicated 
failure: Unsupported mechanism type PLAIN (state=08S01,code=0)
2018-02-12 14:30:01,754 INFO  [Scheduler 481383589 Job 
8a97abb9-69c0-4484-b2e0-ed801dcb845a-161] hive.CreateFlatHiveTableStep:38 : 
Beeline version 1.1.0-cdh5.14.0 by Apache Hive
2018-02-12 14:30:11,729 DEBUG 
[localhost-startStop-1-SendThread(node4.hades.rte-france.com:2181)] 
zookeeper.ClientCnxn:717 : Got ping response for sessionid: 0x261895d4a1c0140 
after 0ms

Could you please give me any clue ?

NB : my kylin.properties file remains the same as before (see parameters below).

Thank you for your help.
Have a good day.

Best regards,
Jean-Luc.

De : BELLIER Jean-luc [mailto:jean-luc.bell...@rte-france.com]
Envoyé : lundi 12 février 2018 12:29
À : user@kylin.apache.org<mailto:user@kylin.apache.org>
Objet : RE: Cannot rebuild cubes

Hello Ted

Thank you for your reply. What is the command to check what you are suggesting ?
In the meanwhile, I changed the way accessing to hive to ‘beeline’, and faced 
to write rights problems to HDFS.
This is now solved.

Now I try to build the cube ‘kylin_sales_cube’. All the tables are present in 
Hive, and they contain data. The metadata are also in HBase in ‘kylin_metadata’ 
table.
What I do not understand is that the job seems to run with no data. In the step 
#1, the log tells me ‘No Data Available’

[cid:image001.gif@01D3A415.024BD8F0][cid:image002.gif@01D3A415.024BD8F0]

Could it be a problem of rights ?

Here is my kylin.properties

## Hive client, valid value [cli, beeline]
kylin.source.hive.client=beeline
#
## Parameters for beeline client, only necessary if hive client is beeline
kylin.source.hive.beeline-params=-n root --hiveconf 
hive.security.authorization.sqlstd.confwhitelist.append='mapreduce.job.*|dfs.*' 
-u 
jdbc:hive2://cloudera-manager.hades.rte-france.com:10000/;principal=hive/cloudera-manager.hades.rte-france....@hades.rte-france.com
#
#kylin.source.hive.keep-flat-table=false
#
## Hive database name for putting the intermediate flat tables
kylin.source.hive.database-for-flat-table=default

The full log files have been attached in this mail (using ‘Diagnosis’ option) 
on the job in Web interface.

PS  : I noticed the presence of file ‘health-check.sh’ in /tmp/kylin on HDFS. 
Is is normal ?

Thank you in advance for your help.

Best regards,
Jean-Luc.

De : Ted Yu [mailto:yuzhih...@gmail.com]
Envoyé : vendredi 9 février 2018 22:28
À : user@kylin.apache.org<mailto:user@kylin.apache.org>
Objet : Re: Cannot rebuild cubes

In the log, I saw:

2018-02-09 17:39:57,634 ERROR [http-bio-7070-exec-8] 
controller.CubeController:337 : Segments overlap: 
kylin_sales_cube[20100101000000_20140102000000] and          
kylin_sales_cube[20120101000000_20140102000000]
java.lang.IllegalStateException: Segments overlap: 
kylin_sales_cube[20100101000000_20140102000000] and 
kylin_sales_cube[20120101000000_20140102000000]
  at org.apache.kylin.metadata.model.Segments.validate(Segments.java:404)
  at org.apache.kylin.cube.CubeManager.updateCubeWithRetry(CubeManager.java:393)
  at org.apache.kylin.cube.CubeManager.updateCube(CubeManager.java:349)
  at org.apache.kylin.cube.CubeManager.appendSegment(CubeManager.java:485)
  at org.apache.kylin.cube.CubeManager.appendSegment(CubeManager.java:455)
  at 
org.apache.kylin.rest.service.JobService.submitJobInternal(JobService.java:239)

It seems there was some wrong segment in metadata.
Have you tried dumping out metadata and find the invalid segment ?

Cheers

On Fri, Feb 9, 2018 at 9:18 AM, BELLIER Jean-luc 
<jean-luc.bell...@rte-france.com<mailto:jean-luc.bell...@rte-france.com>> wrote:
Hello,

I am unable to rebuild cubes. The logs give me the following error :

Exception in thread "Thread-13" java.lang.RuntimeException: 
java.lang.IllegalStateException: Cannot start job scheduler due to lack of job 
lock
        at org.apache.kylin.rest.service.JobService$1.run(JobService.java:131)
        at java.lang.Thread.run(Thread.java:748)
Caused by: java.lang.IllegalStateException: Cannot start job scheduler due to 
lack of job lock
        at 
org.apache.kylin.job.impl.threadpool.DefaultScheduler.init(DefaultScheduler.java:211)
        at org.apache.kylin.rest.service.JobService$1.run(JobService.java:126)
        ... 1 more

As far as I can see on this topic, I understand that there should be a process 
that is still running or was not remove correctly.
I tried several ‘kylin.sh stop’ / ‘kylin.sh start’ with no effect.

I attach my kylin.out and kylin.log files.

Thank you in advance for your help.

Best regards,
Jean-Luc.


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