Usually, this is an environment issue I think; The exception didn't clearly
print the real path, could you modify this line code to let it print the "
confFile"?

https://github.com/apache/kylin/blob/master/core-common/src/main/java/org/apache/kylin/common/util/SourceConfigurationUtil.java#L87

Besides, please also check the kylin.log before and after the error, there
should be some debugging logs.

Best regards,

Shaofeng Shi 史少锋
Apache Kylin PMC
Work email: [email protected]
Kyligence Inc: https://kyligence.io/

Apache Kylin FAQ: https://kylin.apache.org/docs/gettingstarted/faq.html
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Nikodimos Nikolaidis <[email protected]> 于2019年2月11日周一 下午10:44写道:

> Hello,
>
> I am using latest (2.6) version of Kylin and I am following instructions
> from https://kylin.apache.org/docs/tutorial/cube_streaming.html to build
> a demo streaming cube.
>
> At a BUILD CUBE job, I can see in monitor tab in "Hive Cleanup" step an
> error occurs by the following java exception:
>
> java.lang.RuntimeException: Failed to read kylin_hive_conf.xml
>       at 
> org.apache.kylin.common.util.SourceConfigurationUtil.loadXmlConfiguration(SourceConfigurationUtil.java:87)
>       at 
> org.apache.kylin.common.util.SourceConfigurationUtil.loadHiveConfiguration(SourceConfigurationUtil.java:61)
>       at 
> org.apache.kylin.common.util.HiveCmdBuilder.<init>(HiveCmdBuilder.java:48)
>       at 
> org.apache.kylin.source.hive.GarbageCollectionStep.cleanUpIntermediateFlatTable(GarbageCollectionStep.java:61)
>       at 
> org.apache.kylin.source.hive.GarbageCollectionStep.doWork(GarbageCollectionStep.java:48)
>       at 
> org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:165)
>       at 
> org.apache.kylin.job.execution.DefaultChainedExecutable.doWork(DefaultChainedExecutable.java:70)
>       at 
> org.apache.kylin.job.execution.AbstractExecutable.execute(AbstractExecutable.java:165)
>       at 
> org.apache.kylin.job.impl.threadpool.DefaultScheduler$JobRunner.run(DefaultScheduler.java:114)
>       at 
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
>       at 
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
>       at java.lang.Thread.run(Thread.java:748)
>
>
> Then if I try to run a SQL query in Insight tab the following exception is
> thrown:
>
> java.lang.RuntimeException: fail to locate kylin.properties
> while executing SQL: "select minute_start, count(*), sum(amount),
> sum(qty) from streaming_sales_table group by minute_start order by
> minute_start LIMIT 50000"
>
>
> and generally, it seems that it can't find any Kylin configuration files
> afterwards.
>
> I have set properly JAVA_HOME, HADOOP_HOME, HIVE_HOME, HBASE_HOME,
> KYLIN_HOME environment variables.
>
> What could be the reason for that?
>
>

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