Could you provide more logs about "Kylin can not start"? 2017-10-17 16:50 GMT+08:00 Roberto Tardío <[email protected]>:
> Thanks Billy an ShaoFeng, > > I have checked that error was due to an issue with HDFS data nodes, so the > last streaming cube building could not write some data in HDFS/HBase. > However, I have solved hdfs issue but Kylin cannot not start maybe due to > the corrupted data from Streaming cube. ¿What do recommend for cases like > this one? ¿What is the best way to delete a cube and model with corrupted > data? > > Best Regards, > > El 16/10/2017 a las 15:18, ShaoFeng Shi escribió: > > From this message, it is probably caused by unstable Hadoop env: > > org.apache.kylin.job.exception.hdfs.BlockMissingException: Could not > obtain block: BP-699932432..... > > Need full log to detect the root cause. > > 2017-10-16 20:13 GMT+08:00 Billy Liu <[email protected]>: > >> Hi Roberto, >> >> Could you update more logs. It should has more logs from the context. >> >> 2017-10-16 17:19 GMT+08:00 Roberto Tardío <[email protected]>: >> >>> Hi, >>> >>> I'm doing a PoC with to build a cube with Kylin using a Streaming Data >>> with Kafka. Kafka connection and cube creation works correctly. I have >>> tested using the Kafka test generator included with Kylin and I scheduled >>> the process with Crontab for its execution every 10 minutes, during a >>> period of 24 hours. However when I stopped Kafka generator and Crontab >>> schedule, I got errors in Kylin: >>> >>> - Monitor show error when it tries to load jobs. This affects not >>> only to Kafka test project, but also to rest other batch projects. >>> - Kyling log show this: >>> - ERROR [http-bio-7070-exec-4] controller.BasicController:57 : >>> org.apache.kylin.rest.exception.InternalErrorException: >>> java.lang.RuntimeException: >>> org.apache.kylin.job.exception.PersistentException: >>> com.fasterxml.jackson.databind.JsonMappingException: No >>> content to map due to end-of-input >>> at [Source: java.io.DataInputStream@189348ee; line: 1, >>> column: 1] >>> - I cannot purge or drop this Kafka test streaming cube. >>> - Kyli UI shows the following error: >>> - Failed to delete cube. Caused by: >>> org.apache.kylin.job.exception.hdfs.BlockMissingException: >>> Could not obtain block: BP-699932432..... >>> >>> I have tried and received the same error with Kylin 1.6 and Kylin 2.1. >>> Now I Kylin is still running, but I have to solve this errors to use it in >>> a normal way (e.g. building new cubes) >>> >>> ¿Anyone can help me? >>> >>> Thanks in advance, >>> >>> *Roberto Tardío Olmos* >>> *Senior Big Data & Business Intelligence Consultant* >>> Avenida de Brasil, 17 >>> <https://maps.google.com/?q=Avenida+de+Brasil,+17&entry=gmail&source=g>, >>> Planta 16.28020 Madrid >>> Fijo: 91.788.34.10 >>> >> >> > > > -- > Best regards, > > Shaofeng Shi 史少锋 > > > -- > > *Roberto Tardío Olmos* > *Senior Big Data & Business Intelligence Consultant* > Avenida de Brasil, 17 > <https://maps.google.com/?q=Avenida+de+Brasil,+17&entry=gmail&source=g>, > Planta 16.28020 Madrid > Fijo: 91.788.34.10 >
